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Open Source SysAdmin Resources

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Automation build.

  • Apache Ant – Automation build tool, similar to make, written in Java.
  • Apache Maven – Build automation tool mainly for Java.
  • Bazel – Google’s build system.
  • GNU Make – The most popular automation build tool for many purposes.
  • Gradle – Another build automation system.


Backup software.

  • Amanda – Client-server model backup tool.
  • Attic – A deduplicating backup program written in Python.
  • Bareos – A fork of Bacula backup tool.
  • Backupninja – Lightweight, extensible meta-backup system.
  • Brebis – A fully automated backup checker
  • Burp – Network backup and restore program.
  • Duplicity – Encrypted bandwidth-efficient backup using the rsync algorithm.
  • Elkarbackup – Backup solution based on RSnapshot with a simple web interface
  • Lsyncd – File Monitor which spawns a process to synchronize the changes (rsync by default).
  • Obnam – An easy, secure, snapshots-based backup program with data de-duplication.
  • Rdiff-backup – An easy A remote incremental backup of all your files.
  • Rsnapshot – Filesystem Snapshotting Utility.
  • Snebu – Snapshot backup with global multi-client deduplication and transparent compression.
  • UrBackup – Another client-server backup system.
  • DREBS – AWS EBS backup script that supports strategies.
  • ZBackup – A versatile deduplicating backup tool.

Build and software organization tools

Build and software organization tools.

  • EasyBuild – EasyBuild builds software and modulefiles for High Performance Computing (HPC) systems in an efficient way.
  • environment-modules Lmod – Lmod is a Lua based module system that easily handles the MODULEPATH Hierarchical problem.
  • HPCBIOS – HPCBIOS is an effort to setup a common, well-documented and reproducible, environment spanning across multiple HPC systems & sites, inclusive of documentation.


Conversation-driven development and management. See https://www.reddit.com/r/chatops for more information.

  • CloudBot – The simple, fast, expandable Python IRC bot.
  • Eggdrop – the world’s most popular IRC bot, designed for flexibility and ease of use, and is freely distributable under the GNU GPL.
  • Err – a plugin based chatbot designed to be easily deployable, extensible and maintainable.
  • Hubot – A customizable, life embetterment robot.
  • Lazlo – A chatops automation framework in Go.
  • Lita – A robot companion for your company’s chat room.

Client management

Managing software on desktop computers.

  • OCS Inventory NG – Inventory, deployment and network scan.
  • Opsi (open PC server integration) – Client Management for Windows based on Debian.
  • WAPT – Network-wide (un)installation, configuration and upgrades of Windows based software.
  • WPKG – Software deployment, upgrade and removal program for Windows.


Cloning software.

  • Clonezilla – Partition and disk imaging/cloning program.
  • Fog – Another computer cloning solution.

Cloud Computing

  • AppScale – Cloud software with Google App Engine compatibility.
  • Archipel – Manage and supervise virtual machines using Libvirt.
  • CloudStack – Cloud computing software for creating, managing, and deploying infrastructure cloud services.
  • Cobbler – Cobbler is a Linux installation server that allows for rapid setup of network installation environments.
  • Cracow Cloud One – Polish Private Cloud – The CC1 system provides a complete solution for Private Cloud Computing.
  • Eucalyptus – Private cloud software with AWS compatibility.
  • Flynn – PaaS
  • Mesos – Develop and run resource-efficient distributed systems.
  • OpenNebula – User-driven cloud management platform for sysadmins and devops.
  • Openshift – PaaS product from Red Hat.
  • OpenStack – Build private and public clouds.
  • The Foreman – Complete lifecycle management tool for physical and virtual servers. FOSS.
  • Tsuru – Tsuru is an extensible Platform as a Service software.

Cloud Orchestration

  • BOSH – IaaS orchestration platform originally written for deploying and managing Cloud Foundry PaaS, but also useful for general purpose distributed systems.
  • Cloudify – TOSCA-based cloud orchestration software platform written in Python and YAML.
  • CloudSlang – Flow-based orchestration tool for managing deployed applications, with Docker capabilities.
  • Juju – Cloud orchestration tool which manages services as charms, YAML configuration and deployment script bundles.
  • MCollective – Ruby framework to manage server orchestration, developed by Puppet labs.
  • Overcast – Deploy VMs across different cloud providers, and run commands and scripts across any or all of them in parallel via SSH.
  • Rundeck – Simple orchestration tool.
  • Salt – Fast, scalable and flexible systems management software written in Python/ZeroMQ.
  • StackStorm – Event Driven Operations and ChatOps platform for infrastructure management. Written in Python

Cloud Storage

  • git-annex assistant – A synchronised folder on each of your OSX and Linux computers, Android devices, removable drives, NAS appliances, and cloud services.
  • ownCloud – Provides universal access to your files via the web, your computer or your mobile devices.
  • Pydio – Pydio (formerly AjaXplorer) is a mature solution for file sharing and synchronization.
  • Seafile – Another Cloud Storage solution.
  • SparkleShare – Provides cloud storage and file synchronization services. By default, it uses Git as a storage backend.
  • Swift – A highly available, distributed, eventually consistent object/blob store.
  • Syncthing – System for private, encrypted and authenticated distribution of data.

Code Review

Web Based collaborative code review system.

  • Gerrit – Based on the Git version control, it facilitates software developers to review modifications to the source code and approve or reject those changes.
  • Phabricator – Code review tool build by facebook and used by WikiMedia, FB, dropbox etc. Comes with an integrated wiki, bug tracker, VC integration and a CLI tool called arcanist.
  • Review Board – Available as free software under the MIT License.

Collaborative Software

Collaborative software or groupware suites.

  • Citadel/UX – Collaboration suite (messaging and groupware) that is descended from the Citadel family of programs.
  • EGroupware – Groupware software written in PHP.
  • Horde Groupware – PHP based collaborative software suite that includes email, calendars, wikis, time tracking and file management.
  • Kolab – Another groupware suite.
  • SOGo – Collaborative software server with a focus on simplicity and scalability.
  • Zimbra – Collaborative software suite, that includes an email server and web client.

Configuration Management Database

Configuration management database (CMDB) software.

  • i-doit – IT Documentation and CMDB.
  • iTop – Complete ITIL web based service management tool.
  • Ralph – Asset management, DCIM and CMDB system for large Data Centers as well as smaller LAN networks.
  • Clusto – Helps you keep track of your inventory, where it is, how it’s connected, and provides an abstracted interface for interacting with the elements of the infrastructure.
  • Collins – At Tumblr, it’s the infrastructure source of truth and knowledge.

Configuration Management

Configuration management tools.

  • Ansible – It’s written in Python and manages the nodes over SSH.
  • CFEngine – Lightweight agent system. Configuration state is specified via a declarative language.
  • Chef – It’s written in Ruby and Erlang and uses a pure-Ruby DSL.
  • Pallet – Infrastructure definition, configuration and management via a Clojure DSL.
  • Puppet – It’s written in Ruby and uses Puppet’s declarative language or a Ruby DSL.
  • Salt – It’s written in Python.
  • Slaughter – It’s written in Perl.

Continuous Integration & Continuous Deployment

Continuous integration/deployment software.

  • Buildbot – Python-based toolkit for continuous integration.
  • Drone – Continuous integration server built on Docker and configured using YAML files.
  • GitLab CI – Based off of ruby. They also provide GitLab, which manages git repositories.
  • Go – Continuous delivery server.
  • Jenkins – An extendable continuous integration server.

Control Panels

Web hosting and server or service control panels

  • Web hosting
    • Froxlor – Easy to use panel for Linux with Nginx and PHP-FPM support.
    • ISPConfig – Hosting control panel for Linux.
    • Sentora – Control panel for Linux, BSD, and Windows based on ZPanel.
    • VestaCP – Hosting panel for Linux but with Nginx.
  • DNS
    • Atomia DNS – DNS management system.
    • PDNS Gui – WebGUI which aids in administering domains and records for PowerDNS with MySQL.
    • Poweradmin – Friendly web-based DNS administration tool for PowerDNS server.
  • Revision Control
    • iF.SVNAdmin – WebGUI to manage Subversion repositories and User/Group permissions.
    • SCM-Manager – The easiest way to share and manage your Git, Mercurial and Subversion repositories.
    • WebSVN – Opensource web subversion repository browser.
  • Virtualization
    • Feathur – VPS Provisioning and Management Software.
    • Panamax – Project that makes deploying complex containerized apps as easy as Drag-and-Drop.
    • OpenVZ Web Panel – Web panel to control your OpenVZ servers.
    • Virtkick – A simple orchestrator. Manage virtual machines or Docker containers easily.
    • WebVirtMgr – libvirt-based Web interface for managing virtual machines.
  • Server
    • Ajenti – Control panel for Linux and BSD.
    • Cockpit – New multi-server web interface for Linux servers written in C.
    • Virtualmin – Control panel for Linux based on webmin.
    • Webmin – Linux server control panel.
  • Others

Deployment Automation

Tools and scripts to support deployments to your servers.

  • Capistrano – Deploy your application to any number of machines simultaneously, in sequence or as a rolling set via SSH (rake based).
  • Fabric – Python library and cli tool for streamlining the use of SSH for application deployment or systems administration tasks.
  • Mina – Really fast deployer and server automation tool (rake based).
  • Rocketeer – PHP task runner and deployment tool.
  • Vlad the Deployer – Deployment automation (rake based).

Distributed Filesystems

Network distributed filesystems.

  • Ceph – Distributed object store and file system.
  • DRBD – Distributed Replicated Block Device.
  • LeoFS – Unstructured object/data storage and a highly available, distributed, eventually consistent storage system.
  • GlusterFS – Scale-out network-attached storage file system.
  • HDFS – Distributed, scalable, and portable file-system written in Java for the Hadoop framework.
  • Lustre – Parallel distributed file system, generally used for large-scale cluster computing.
  • MooseFS – Fault tolerant, network distributed file system.
  • MogileFS – Application level, network distributed file system.
  • OpenAFS – Distributed network file system with read-only replicas and multi-OS support.
  • TahoeLAFS – secure, decentralized, fault-tolerant, peer-to-peer distributed data store and distributed file system.
  • XtreemFS – XtreemFS is a fault-tolerant distributed file system for all storage needs.


DNS servers.

  • Bind – The most widely used name server software.
  • djbdns – A collection of DNS applications, including tinydns.
  • Designate – DNS REST API that support several DNS servers as its backend.
  • dnsmasq – A lightweight service providing DNS, DHCP and TFTP services to small-scale networks.
  • Knot – High performance authoritative-only DNS server.
  • NSD – Authoritative only, high performance, simple name server.
  • PowerDNS – DNS server with a variety of data storage back-ends and load balancing features.
  • Unbound – Validating, recursive, and caching DNS resolver.
  • Yadifa – Lightweight authoritative Name Server with DNSSEC capabilities powering the .eu top-level domain.


Open source code editors.

  • Atom – A hackable text editor from Github.
  • Brackets – Code editor for web designers and front-end developers.
  • Eclipse – IDE written in Java with an extensible plug-in system.
  • Geany – GTK2 text editor.
  • GNU Emacs – An extensible, customizable text editor-and more.
  • Haroopad – Markdown editor with live preview.
  • ICEcoder – Code editor awesomeness, built with common web languages.
  • jotgit – Git-backed real-time collaborative code editing.
  • KDevelop – IDE by the people behind KDE.
  • Light Table – The next generation code editor.
  • Lime – Aims to provide an open source solution to Sublime Text
  • TextMate – A graphical text editor for OS X.
  • Vim – A highly configurable text editor built to enable efficient editing.

Identity Management

LDAP servers and other tools to manage accounts and identities.


Tools and web interfaces

  • Fusion Directory – Improve the Management of the services and the company directory based on OpenLDAP.
  • FreeIPA – Security management solution, can manage LDAP, KRB, DNS, sudo, and more
  • LDAP Account Manager (LAM) – Web frontend for managing entries (e.g. users, groups, DHCP settings) stored in an LDAP directory.
  • Samba – Active Directory and CIFS protocol implementation.

IT Asset Management

IT Assets Management software.

  • GLPI – Information Resource-Manager with an additional Administration Interface.
  • OCS Inventory NG – Enables users to inventory their IT assets.
  • RackTables – Datacenter and server room asset management like document hardware assets, network addresses, space in racks, networks configuration.
  • Ralph – Asset management, DCIM and CMDB system for large Data Centers as well as smaller LAN networks.
  • Snipe IT – Asset & license management software.

Log Management

Log management tools: collect, parse, visualize …

  • Elasticsearch – A Lucene Based Document store mainly used for log indexing, storage and analysis.
  • Fluentd – Log Collector and Shipper.
  • Flume – Distributed log collection and aggregation system.
  • Graylog2 – Pluggable Log and Event Analysis Server with Alerting options.
  • Heka – Stream processing system which may be used for log aggregation.
  • Kibana – Visualize logs and time-stamped data.
  • Logstash – Tool for managing events and logs.
  • Octopussy – Log Management Solution (Visualize / Alert / Report).

Mail Clients

  • Claws Mail – Old school email client (and news reader), based on GTK+.
  • Mutt – Small but very powerful text-based mail client.
  • Thunderbird – Free email application that’s easy to set up and customize.


Webmail applications.

  • Roundcube – Browser-based IMAP client with an application-like user interface.
  • SquirrelMail – Another browser-based IMAP client.
  • Horde – Webmail and groupware client
  • Rainloop – Very nice webmail with IMAP/SMTP Support and multi accounting

Mail Servers

Software for setting up mail servers.



Mail Delivery Agents (IMAP/POP3 software).

  • Courier IMAP/POP3 – Fast, scalable, enterprise IMAP and POP3 server.
  • Cyrus IMAP/POP3 – Intended to be run on sealed servers, where normal users are not permitted to log in.
  • Dovecot – IMAP and POP3 server written primarily with security in mind.


Mail Transfer Agents (SMTP servers).

  • Exim – Message transfer agent (MTA) developed at the University of Cambridge.
  • Haraka – A high-performance, pluginable SMTP server written in JavaScript.
  • MailCatcher – Ruby gem that deploys a simply SMTP MTA gateway that accepts all mail and displays in web interface. Useful for debugging or development.
  • Maildrop – Disposable email SMTP server, also useful for development.
  • OpenSMTPD – Secure SMTP server implementation from the OpenBSD project.
  • Postfix – Fast, easy to administer, and secure Sendmail replacement.
  • Qmail – Secure Sendmail replacement.
  • Sendmail – Message transfer agent (MTA).

complete solutions

Software for simple deployment of a mail server, e.g. for inexperienced or impatient admins.

  • hMailServer – Open source e-mail server for Microsoft Windows
  • Mail-in-a-Box – Take back control of your email with this easy-to-deploy mail server in a box.
  • iRedMail – Full-featured mail server solution based on Postfix and Dovecot.
  • Citadel – Feature packed, easy, versatile, and powerful mail server, thanks to exclusive “rooms” based architecture.
  • Modoboa – Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface.
  • Fufix – Fufix is a mailserver installer based on Dovecot, Postfix, Postfixadmin, Nginx, PHP, MySQL and Fail2ban.


Monitoring software.

  • Alerta – Distributed, scaleable and flexible monitoring system.
  • Cacti – Web-based network monitoring and graphing tool.
  • Cabot – Monitoring and alerts, similar to PagerDuty.
  • check_mk – Collection of extensions for Nagios.
  • Dash – A low-overhead monitoring web dashboard for a GNU/Linux machine.
  • Flapjack – Monitoring notification routing & event processing system.
  • Icinga – Fork of Nagios.
  • LibreNMS – Fully featured network monitoring system that provides a wealth of features and device support.
  • Monit – Small utility for managing and monitoring Unix systems.
  • Munin – Networked resource monitoring tool.
  • Naemon – Network monitoring tool based on the Nagios 4 core with performance enhancements and new features.
  • Nagios – Computer system, network and infrastructure monitoring software application.
  • Node-Bell – Real-time anomalies detection for periodic time series, metrics monitor.
  • Observium – SNMP monitoring for servers and networking devices. Runs on linux.
  • OMD – The Open Monitoring Distribution.
  • PhpSysInfo – A customizable PHP script that displays information about your system nicely
  • Riemann – Flexible and fast events processor allowing complex events/metrics analysis.
  • Sensu – Monitoring framework.
  • Sentry – Application monitoring, event logging and aggregation.
  • ServerStatus BotoX – Display and monitor your servers statistics in a beatiful way.
  • ServerStatus moejda – Server Status website script, displays uptime (days), free RAM, free HDD
  • Shinken – Another monitoring framework.
  • Thruk – Multibackend monitoring web interface with support for Naemon, Nagios, Icinga and Shinken.
  • Xymon – Network monitoring inspired by Big Brother.
  • Zabbix – Enterprise-class software for monitoring of networks and applications.
  • Zenoss – Application, server, and network management platform based on Zope.


Metric & Metric Collection

Metric gathering and display software.

  • Collectd – System statistic collection daemon.
  • Collectl – High precision system performance metrics collecting tool.
  • Dashing – Ruby gem that allows for rapid statistical dashboard development. An all HTML5 approach allows for big screen displays in data centers or conference rooms.
  • Diamond – Python based statistic collection daemon.
  • Facette – Time series data visualization and graphing software written in Go.
  • Freeboard – A damn-sexy front-end real-time dashboard. Transforms raw JSON into delicious UI.
  • Ganglia – High performance, scalable RRD based monitoring for grids and/or clusters of servers. Compatible with Graphite using a single collection process.
  • Grafana – A Graphite & InfluxDB Dashboard and Graph Editor.
  • Graphite – Scalable graphing server.
  • InfluxDB – Distributed time series database with no external dependencies.
  • KairosDB – Fast distributed scalable time series database, fork of OpenTSDB 1.x.
  • OpenTSDB – Store and server massive amounts of time series data without losing granularity.
  • Packetbeat – Captures network traffic and displays it in a custom Kibana dashboard for easy viewing.
  • Prometheus – Service monitoring system and time series database.
  • RRDtool – Industry standard, high performance data logging and graphing system for time series data.
  • Statsd – Application statistic listener.

Network Configuration Management

Network configuration management tools.

  • GestióIP – An automated web based IPv4/IPv6 IP Address Management tool.
  • Oxidized – A modern take on network device configuration monitoring with web interface and GIT storage.
  • RANCID – Monitors network device’s configuration and maintain history of changes.
  • rConfig – Another network device configuration management tool.
  • trigger – Robust network automation toolkit written in Python.


Newsletter software.

  • DadaMail – Mailing List Manager, written in Perl.
  • phpList – Newsletter manager written in PHP.
  • LibreMailer – Libre Mailer is a modest and simple web based email marketing application.
  • Lewsnetter – E-mail marketing application (create and send e-mail newsletter via SES). Includes subscription management, delivery, bounce and complaint notification, templates, and some stats.


NoSQL databases.

  • Column-Family
    • Apache HBase – Hadoop database, a distributed, big data store.
    • Cassandra – Distributed DBMS designed to handle large amounts of data across many servers.
    • Hypertable – C++ based BigTable-like DBMS, communicates through Thrift and runs either as stand-alone or on distributed FS such as Hadoop.
  • Document Store
    • CouchDB – Ease of use, with multi-master replication document-oriented database system.
    • ElasticSearch – Java based database, popular with log aggregation, and email archiving projects.
    • MongoDB – Another document-oriented database system.
    • RavenDB – Document based database with ACID/Transactional features.
    • RethinkDB – Distributed document store database, focuses on JSON.
  • Graph
    • FlockDB – Twitter’s distributed, fault-tolerant graph database.
    • Neo4j – Graph database.
  • Key-Value
    • LevelDB – Google’s high performance key/value database.
    • Redis – Networked, in-memory, key-value data store with optional durability.
    • Riak – Another fault-tolerant key-value NoSQL database.


  • fpm – Versatile multi format package creator.
  • omnibus-ruby – Full stack, cross distro packaging software (Ruby).
  • packman – Full stack, cross distro packaging software (Python).
  • tito – Builds RPMs for git-based projects.

Project Management

Web-based project management and bug tracking systems.

  • CaseBox – Manage all your organisation’s information in one system.
  • ChiliProject – Fork of Redmine.
  • GitBucket Clone of GitHub written in Scala; single jar install.
  • GitLab – Clone of GitHub written in Ruby.
  • Gogs – Self-hosted Git service written in Go.
  • OpenProject – Project collaboration.
  • Phabricator Written in PHP.
  • Redmine – Written in ruby on rails.
  • Taiga – Agile Project Management Tool based on the Kanban and Scrum methods.
  • The Bug Genie – Written in PHP.
  • Trac – Written in python.


  • ActiveMQ – Java message broker.
  • BeanstalkD – A simple, fast work queue.
  • Gearman – Fast multi-language queuing/job processing platform.
  • Kafka – Extremely high performance publish/subscribe message system.
  • NSQ – A realtime distributed messaging platform.
  • RabbitMQ – Robust, fully featured, cross distro queuing system.
  • ZeroMQ – Lightweight queuing system.


Relational DBMS.

  • Firebird – True universal database.
  • Galera – Galera Cluster for MySQL is an easy-to-use high-availability solution with high system up-time, no data loss, and scalability for future growth.
  • MariaDB – Community-developed fork of the MySQL.
  • Percona Server – Enhanced, drop-in MySQL replacement.
  • PostgreSQL – Object-relational database management system (ORDBMS).
  • PostgreSQL-XL – Scalable PostgreSQL-based database cluster.
  • SQLite – Library that implements a self-contained, serverless, zero-configuration, transactional SQL DBS.


Security tools.

  • Blackbox – Safely store secrets in Git/Mercurial. Provides tooling to automatically encrypt secrets like passwords.
  • Bro – Bro is a powerful framework for network analysis and security monitoring.
  • Denyhosts – Thwart SSH dictionary based attacks and brute force attacks.
  • Fail2Ban – Scans log files and takes action on IPs that show malicious behavior.
  • fwknop – Protects ports via Single Packet Authorization in your firewall.
  • Glastopf – A low-interaction web application honeypot to emulate vulnerabilities and gather attack data.
  • Kippo – A medium-interaction SSH honeypot, mostly used as a standalone SSH daemon with a configurable Filesystem sandbox.
  • Linux Malware Detect – A malware scanner for Linux designed around the threats faced in shared hosted environments.
  • OSSEC – OSSEC is a HIDS that performs log analysis, FIM, rootkit detection, and much more.
  • OSQuery – Query your servers status and info using a SQL like interface.
  • pfSense – Firewall and Router FreeBSD distribution.
  • Snort – Network intrusion prevention system (NIPS) and network intrusion detection system (NIDS).
  • SpamAssassin – A powerful and popular email spam filter employing a variety of detection technique.


Service Discovery

  • Consul – Consul is a tool for service discovery, monitoring and configuration.
  • Doozerd – Doozer is a highly-available, completely consistent store for small amounts of extremely important data.
  • etcd – distributed K/V-Store, authenticating via SSL PKI and a REST HTTP Api for shared configuration and service discovery.
  • ZooKeeper – ZooKeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services.


Software Containers

Operating system–level virtualization.

  • Docker – Platform for developers and sysadmins to build, ship, and run distributed applications.
  • LXC – Userspace interface for the Linux kernel containment features.
  • OpenVZ – Container-based virtualization for Linux.



SSH tools.

  • Advanced SSH config – Enhances ssh_config file capabilities, completely transparent.
  • autossh – Automatically respawn ssh session after network interruption.
  • Cluster SSH – Controls a number of xterm windows via a single graphical console.
  • DSH – Dancer’s shell / distributed shell – Wrapper for executing multiple remote shell commands from one command line.
  • Mosh – The mobile shell.
  • parallel-ssh – Provides parallel versions of OpenSSH and related tools.
  • ssh-cert-authority – A democratic SSH certificate authority.
  • ssh-ca – Allows giving ssh access to servers without putting a users key on the server, as well as expiring access.
  • SSH Power Tool – Execute commands and upload files to many servers simultaneously without using pre-shared keys.
  • sshrc – sources ~/.sshrc on your local computer after logging in remotely.
  • stormssh – A command line tool to manage SSH connections.



Analytics software.

  • AWStats – Generates web, streaming, ftp or mail server statistics graphically.
  • GoAccess – Real-time web log analyzer and interactive viewer that runs in a terminal.
  • Open Web Analytics – Add web analytics to websites using JS, PHP or REST APIs.
  • Piwik – Web analytics application.
  • Webalizer – Fast web server log file analysis.


Status Pages

  • Cachet – Status page system written in PHP.
  • Stashboard – Status page for cloud services and APIs.
  • System Status Dashboard (SSD) – Overview about an organization’s infrastructure health status.
  • Staytus – Staytus is a complete solution for publishing the latest information about any issues with your web applications, networks or services.


Ticketing systems

Web-based ticketing system.

  • Bugzilla – General-purpose bugtracker and testing tool originally developed and used by the Mozilla project.
  • Cerb – Group-based e-mail management project.
  • Flyspray – Web-based bug tracking system written in PHP.
  • MantisBT – Web-based bug tracking system.
  • osTicket – Simple support ticket system.
  • OTRS – Trouble ticket system for assigning tickets to incoming queries and tracking further communications.
  • Request Tracker – Ticket-tracking system written in Perl.
  • TheBugGenie – Ticket system with extensive user rights system.


Troubleshooting Tools.

  • grml – bootable Debian Live CD with powerful CLI tools.
  • mitmproxy – A Python tool used for intercepting, viewing and modifying network traffic. Invaluable in troubleshooting certain problems.
  • Sysdig – Capture system state and activity from a running Linux instance, then save, filter and analyze.
  • Wireshark – The world’s foremost network protocol analyzer.


Version control

Software versioning and revision control.

  • Fossil – Distributed version control with built-in wiki and bug tracking.
  • Git – Distributed revision control and source code management (SCM) with an emphasis on speed.
  • GNU Bazaar – Distributed revision control system sponsored by Canonical.
  • Mercurial – Another distributed revision control.
  • Subversion – Client-server revision control system.



Virtualization software.

  • Archipel – XMPP based virtualization management platform.
  • ConVirt – Provides the core functionality for centrally managing your KVM or Xen virtualized environment.
  • Ganeti – Cluster virtual server management software tool built on top of KVM and Xen.
  • KVM – Linux kernel virtualization infrastructure.
  • OpenNebula – Flexible enterprise cloud made simple.
  • oVirt – Manages virtual machines, storage and virtual networks.
  • Packer – A tool for creating identical machine images for multiple platforms from a single source configuration.
  • Proxmox VE – Virtualization management solution.
  • QEMU – QEMU is a generic machine emulator and virtualizer.
  • Vagrant – Tool for building complete development environments.
  • VirtualBox – Virtualization product from Oracle Corporation.
  • Xen – Virtual machine monitor for 32/64 bit Intel / AMD (IA 64) and PowerPC 970 architectures.



VPN software.

  • OpenVPN – Uses a custom security protocol that utilizes SSL/TLS for key exchange.
  • Pritunl – OpenVPN based solution. Easy to set up.
  • SoftEther – Multi-protocol software VPN with advanced features
  • sshuttle – Poor man’s VPN.
  • strongSwan – Complete IPsec implementation for Linux.
  • tinc – Distributed p2p VPN.



XMPP servers.

  • ejabberd – XMPP instant messaging server written in Erlang/OTP.
  • Metronome IM – Fork of Prosody IM.
  • MongooseIM – Fork of ejabberd.
  • Openfire – Real time collaboration (RTC) server.
  • Prosody IM – XMPP server written in Lua.
  • Tigase – XMPP server implementation in Java.


XMPP Web Clients

  • Candy – Multi user XMPP client written in Javascript.
  • Kaiwa – Web based chat client in the style of common paid alternatives.
  • Lets-Chat – A self hosted chat suite written in Node.



Web servers.

  • Apache – Most popular web server.
  • Cherokee – Lightweight, high-performance web server/reverse proxy.
  • Lighttpd – Web server more optimized for speed-critical environments.
  • Nginx – Reverse proxy, load balancer, HTTP cache, and web server.
  • uWSGI – The uWSGI project aims at developing a full stack for building hosting services.

Web Performance

  • HAProxy – Software based load Balancing, SSL offloading and performance optimization, compression, and general web routing.
  • Varnish – HTTP based web application accelerator focusing on optimizing caching and compression.

Wiki Software

  • DokuWiki – Simple to use and highly versatile wiki that doesn’t require a database.
  • Gollum – A simple, Git-powered wiki with a sweet API and local frontend.
  • ikiwiki – A wiki compiler.
  • MDwiki – Wiki completely built in HTML5/Javascript and runs 100% on the client
  • Mediawiki – Used to power Wikipedia.
  • MoinMoin – An advanced, easy to use and extensible WikiEngine with a large community of users.
  • Ōlelo Wiki – A wiki that stores pages in a Git repository.
  • PmWiki – Wiki-based system for collaborative creation and maintenance of websites.
  • TiddlyWiki – Complete interactive wiki in JavaScript.






Open Source SysAdmin Resources