Ecosyste.ms: Awesome

An open API service indexing awesome lists of open source software.

awesome-sysadmin2

A curated list of amazingly awesome open source sysadmin resources inspired by Awesome PHP.
https://github.com/epcim/awesome-sysadmin2

  • Amanda - Client-server model backup tool.
  • Bacula - Another Client-server model backup tool.
  • Backup - Provides an elegant DSL in Ruby for performing backups on UNIX-like systems.
  • Backupninja - Lightweight, extensible meta-backup system.
  • Backuppc - Client-server model backup tool with file pooling scheme.
  • Bareos - Bacula fork, made because open-source Bacula version almost stopped progress.
  • Bup - Incremental backups with rolling checksums, git packfiles, de-duplication, and a FUSE filesystem.
  • Burp - Network backup and restore program.
  • Duplicity - Encrypted bandwidth-efficient backup using the rsync algorithm.
  • Fileprune - delete archived backup files with diverse constraints.
  • FreeFileSync - Folder comparison and synchronization tool providing highly optimized performance and usability without a needlessly complex user interface.
  • Lsyncd - Watches a local directory trees for changes, and then spawns a process to synchronize the changes. Uses rsync by default.
  • Rsnapshot - Filesystem Snapshotting Utility.
  • SafeKeep - Centralized pull-based backup using `rdiff-backup`.
  • storeBackup - Advanced, yet simple and easy to use backup suite, better suited for personal backups.
  • TarSnap - Secure backup service with a portable client in C.
  • UrBackup - Another client-server backup system.
  • DREBS - AWS EBS backup script that supports strategies.
  • Clonezilla - Partition and disk imaging/cloning program.
  • DRBL - Diskless Remote Boot in Linux. Open source solution for managing deployment across many clients. Includes Clonezilla and a PXE boot server.
  • Fog - Another computer cloning solution.
  • iPXE - iPXE is an open source boot firmware project as a livecd that can get obscure network devices to recognize and boot from remote PXE servers.
  • Redo Backup - Easy Backup, Recovery and Restore.
  • Unison - Synchronizes files between drives or machines. Bidirectional merging and conflict management.
  • AppScale - Open source 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.
  • Eucalyptus - Open source private cloud software with AWS compatibility.
  • OpenNebula - An user-driven cloud management platform for sysadmins and devops.
  • Openshift Origin - Open source upstream of OpenShift, the next generation application hosting platform developed by Red Hat.
  • OpenStack - Open source software for building private and public clouds.
  • The Foreman - Foreman is a complete lifecycle management tool for physical and virtual servers. FOSS.
  • Cobbler - Cobbler is a Linux installation server that allows for rapid setup of network installation environments.
  • Mesos - Develop and run resource-efficient distributed systems.
  • Tsuru - Tsuru is an extensible and open source Platform as a Service software.
  • Ansible - Contains modules for controlling many types of cloud resources
  • BOSH - IaaS orchestration platform originally written for deploying and managing Cloud Foundry PaaS, but also useful for general purpose distributed systems.
  • Cloudify - A Python based, Pluggable Ochestrator. Runs on any Cloud, leveraging tools of your choice.
  • Cloud Foundry - Open source PaaS software. Apache 2.0 licensed, written in Ruby and Go.
  • Juju - Cloud orechestration 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 - It's written in Python.
  • 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 - A highly-available key value store for shared configuration and service discovery
  • Serf - Serf is a tool for cluster membership
  • ZooKeeper - ZooKeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services.
  • 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.
  • Seafile - Another Open Source 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 - Open Source system for private, encrypted and authenticated distribution of data.
  • Gerrit - Based on the Git version control, it facilitates software developers to review modifications to the source code and approve or reject those changes.
  • Review Board - Available as free software uner the MIT License.
  • 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.
  • i-doit - Open Source IT Documentation and CMDB.
  • iTop - A complete open source, 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.
  • 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.
  • Fabric - Python library and cli tool for streamlining the use of SSH for application deployment or systems administration tasks.
  • 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.
  • Rudder - Rudder is an open source CM tool for managing IT infrastructures. It is written in Scala.
  • Buildbot - Python-based toolkit for continuous integration.
  • Drone - It's written in Go, and based on Docker.
  • GitLab CI - Based off of ruby. They also provide GitLab, which manages git repositories.
  • Go - Open source continuous delivery server.
  • Jenkins - An extendable open source continuous integration server.
  • Vlad the Deployer - Deployment automation.
  • VexorCI - Fast, Open source CI server based on Ruby and Docker
  • Ceph - Distributed object store and file system.
  • DRBD - Disributed 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 - A type of 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.
  • lsleases - dhcp leases sniffer.
  • 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.
  • Ajenti - Control panel for Linux and BSD.
  • Feathur - VPS Provisioning and Management Software.
  • ISPConfig - Hosting control panel for Linux.
  • VestaCP - Hosting panel for Linux but with Nginx.
  • Virtualmin - Control panel for Linux based on webmin.
  • ZPanel - Control panel for Linux, BSD, and Windows.
  • 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.
  • Qpopper - One of the oldest and most popular server implementations of POP3.
  • bitlbee - A gateway of IM protocols (XMPP, MSN, Yahoo, AIM, ICQ, even Twitter) to IRC.
  • ircd-seven - Freenode's IRC server.
  • irssi - Timo Sirainen's command-line IRC client.
  • weechat - Another command-line IRC client.
  • 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.
  • TeemIP - IP and Network address management.
  • phpIPAM - IP and Network address management.
  • 389 Directory Server - Developed by Red Hat.
  • Apache Directory Server - Apache Software Foundation project written in Java.
  • Fusion Directory - Improve the Management of the services and the company directory based on OpenLDAP.
  • OpenDJ - Fork of OpenDS.
  • OpenDS - Another directory server written in Java.
  • OpenLDAP - Developed by the OpenLDAP Project.
  • Apache JMeter - An Open Source Java desktop application for testing Web Applications.
  • Gatling Tool - An Open Source Stress Tool.
  • Echofish - A web based real-time event log aggregation, analysis, monitoring and management system.
  • 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.
  • Log.io - Real-time log monitoring in your browser.
  • Logstash - Tool for managing events and logs.
  • nxlog - NXLOG is a universal log collector and forwarder supporting different platforms (BSD, Unix, Linux, Windows, Android), log sources and protocols (Syslog, ...
  • Octopussy - Log Management Solution (Visualize / Alert / Report).
  • pylog - pylog generates logs, events or metrics (randomly, or otherwise) and sends them using different transports (UDP, AMQP, File, etc..)
  • Alerta - Distributed, scaleable and flexible monitoring system
  • Cacti - Web-based network monitoring and graphing tool.
  • Cabot - Monitoring and alerts, similar to PagerDuty.
  • Centreon - IT infrastructure and application monitoring for service performance.
  • 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 - fork of Observium.
  • Monit - Small Open Source 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.
  • Observium - SNMP monitoring for servers and networking devices. Runs on linux.
  • OMD - The Open Monitoring Distribution.
  • Opsview - Based on Nagios 4, Opsview Core is ideal for small IT and test environments.
  • Riemann - Flexible and fast events processor allowing complex events/metrics analysis.
  • Sensu - Open source monitoring framework.
  • Seyren - An alerting dashboard for Graphite.
  • Shinken - Another monitoring framework.
  • Stashboard - An open-source status dashboard running on App Engine.
  • System Monitor - Web based system monitor
  • Thruk - Multibackend monitoring webinterface 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.
  • Whoops - Self-hosted tool for logging application events like errors or background worker completion.
  • Errbit - Error catcher compatible with Airbrake API, in Ruby.
  • Sentry - Application monitoring, event logging and aggregation in Python.
  • Squash - Exception reporting and bug analysis tool in Ruby.
  • 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.
  • dattss - Realtime Statistics Aggregation Service.
  • Diamond - Python based statistic collection daemon.
  • 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.
  • Graph-Explorer - A graphite dashboard that's different, from Vimeo.
  • Graphite - Open source scaleable graphing server.
  • Graphite-ng - Next generation graphite server.
  • InfluxDB - Open source 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.
  • RRDtool - Open source industry standard, high performance data logging and graphing system for time series data.
  • Statsd - Application statistic listener.
  • Tessera - A flexible dashboard front-end for Graphite.
  • GestióIP - An automated web based IPv4/IPv6 IP Address Management tool.
  • Netdot - A NETwork DOcumentation Tool, designed to help network administrators collect, organize and maintain network documentation.
  • NOC Project - Scalable, high-performance and open-source [OSS](http://en.wikipedia.org/wiki/Operations_support_system) system for ISP, service and content providers.
  • RANCID - Monitors network device's configurarion and maintain history of changes.
  • rConfig - Another network device configuration management tool.
  • DadaMail - Mailing List Manager, written in Perl.
  • phpList - Newsletter manager written in PHP.
  • 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.
  • 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 - Open source distributed document store database, focuses on JSON.
  • FlockDB - Twitter's distributed, fault-tolerant graph database.
  • Neo4j - Open source graph database.
  • Couchbase - In-memory, replicated, peristent key/value datastore.
  • 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.
  • CMake - Cross-platform build and packaging software.
  • fpm - Versatile multi format package creator.
  • omnibus-ruby - Full stack, cross distro packaging software (Ruby).
  • packer - Packer is a free and open source tool for creating golden images for multiple platforms from a single source configuration.
  • packman - Full stack, cross distro packaging software (Python).
  • tito - Builds RPMs for git-based projects.
  • TWW Toolsets - Hyper package management system,both toolsets and package sources are free (Python).
  • ActiveMQ - An open source message broker written in Java together with a full JMS client
  • BeanstalkD - A simple, fast work queue.
  • Gearman - Fast multi-language queuing/job processing platform.
  • NSQ - A realtime distributed messaging platform.
  • RabbitMQ - Robust, fully featured, cross distro queuing system.
  • ZeroMQ - Lightweight queuing system.
  • Kafka - A high-throughput distributed messaging system.
  • Fabric - An advanced SSH Module for Python to remotely (and locally) execute commands (Used for Application Deployment as well).
  • Capistrano - An advanced SSH Module for Ruby to remotely (and locally) execute commands (Used for Application Deployment as well).
  • winexe - Remotely run commands on Windows from Linux using RPC.
  • pywinrm - Python client to control WinRM.
  • winrm - Ruby client to control WinRM.
  • Firebird - True universal open source 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.
  • MySQL - Most popular RDBMS server.
  • Percona Server - Enhanced, drop-in MySQL replacement.
  • PostgreSQL - Object-relational database management system (ORDBMS).
  • PostgreSQL-XL - Scalable Open Source PostgreSQL-based database cluster.
  • SQLite - Library that implements a self-contained, serverless, zero-configuration, transactional SQL DBS.
  • AIDE - The Advanced Intrusion Detection Environment, developed as a free replacement for Tripwire as a data integrity tool.
  • Bro - A highly advanced network analysis framework.
  • Denyhosts - Thwart SSH dictionary based attacks and brute force attacks.
  • Fail2Ban - Scans log files and takes action on IPs that show malicious behavior.
  • Metasploit - Penetration testing framework.
  • Nessus - Nessus is a proprietary comprehensive vulnerability scanner.
  • nprobe - NetFlow analysis/audit toolkit.
  • ntopng - High-Speed Web-based Traffic Analysis and Flow Collection.
  • OpenVAS - Open-source vulnerability scanner and manager.
  • Ossec - Host-based Intrusion Detection System that performs log analysis, file integrity checking, policy monitoring, rootkit detection, real-time alerting and active response.
  • Samhain - Host-based intrusion detection system, with file integrity checking, log file monitoring/analysis, rootkit detection, port monitoring, detection of rogue SUID execs and hidden processes.
  • Snort - Open-source network intrusion prevention and detection system.
  • SpamAssassin - A powerful and popular email spam filter employing a variety of detection techniques.
  • Tripwire (Open Source) - Data integrity tool, useful for monitoring and altering on specific file changes.
  • Wazuh - HIDS based on OSSEC with the Elastic Stack
  • Yasat - Scan configuration files, kernel parameters and shows the best practices for each cases.
  • Corosync - The Corosync Cluster Engine is a Group Communication System with additional features for implementing high availability within applications.
  • etcd - A highly-available key value store for shared configuration and service discovery
  • fleet - fleet ties together systemd and etcd into a distributed init system.
  • Serf - Service orchestration and management tool.
  • Systemd - systemd is a system and service manager for Linux, compatible with SysV and LSB init scripts.
  • Zookeeper - ZooKeeper is an open source Apache™ project that provides a centralized infrastructure and services that enable synchronization across a cluster.
  • 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 - Open Source 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).
  • Docker - Open platform for developers and sysadmins to build, ship, and run distributed applications.
  • dokku - Docker powered mini-Heroku in around 100 lines of Bash
  • Fig - Fast, isolated development environments using Docker.
  • OpenVZ - Container-based virtualization for Linux.
  • shipyard - Shipyard is a web UI for http://docker.io
  • Ansible - A general purpose automation stack using SSH that can run ad-hoc actions as well
  • 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.
  • pdsh - Pdsh is a high-performance, parallel remote shell utility.
  • Socketpipe - Very efficient TCP connection between remote processes.
  • 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.
  • stormssh - A command line tool to manage SSH connections.
  • Analog - The most popular logfile analyser in the world.
  • GoAccess - Open source real-time web log analyzer and interactive viewer that runs in a terminal.
  • Piwik - Free and open source web analytics application.
  • Webalizer - Fast, free web server log file analysis program.
  • Bugzilla - General-purpose bugtracker and testing tool originally developed and used by the Mozilla project.
  • Cerb - A group-based e-mail management project built with a commercial open source license.
  • Flyspray - Web-based bug tracking system written in PHP.
  • MantisBT - Another web-based bug tracking system.
  • osTicket - Open source support ticket system.
  • Otrs - A free and open-source trouble ticket system software package that a company, organization, or other entity can use to assign tickets to incoming queries and track further communications about them.
  • Redmine - Open source project management/ticketing web application written in Ruby.
  • Request Tracker - Ticket-tracking system written in Perl.
  • TheBugGenie - Open source ticket system with extremely complete users rights granularity.
  • mitmproxy - A Python tool used for intercepting, viewing and modifying network traffic. Invaluable in troubleshooting certain problems.
  • Nmap - Security scanner, with host discovery, port scanning, version detection and OS detection capabilities.
  • Sysdig - Capture system state and activity from a running Linux instance, then save, filter and analyze.
  • tcpdump - A powerful command-line packet analyzer.
  • TRK - CPR for your computer! Trinity Rescue Kit is a linux toolkit as a livecd for general computer troubleshooting. Useful for Win, Linux, and OSX.
  • Wireshark - Open-source packet analyzer. Previously known as Ethereal.
  • ChiliProject - Fork of Redmine.
  • GitBucket
  • GitLab - Clone of GitHub written in Ruby.
  • Gogs - Written in Go.
  • OpenProject - Project collaboration with open source.
  • Phabricator
  • Redmine - Written in ruby on rails.
  • The Bug Genie - Written in PHP.
  • Trac - Written in python.
  • Tuleap - Written in PHP.
  • 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.
  • Darcs - Distributed version control based of patches and changes instead of snapshots.
  • Mercurial - Another distributed revision control.
  • Subversion - Client-server revision control system.
  • Bitnami - Freely available VMs for applications described in this list: [GitLab](https://bitnami.com/stack/gitlab), [Jenkins](https://bitnami.com/stack/jenkins), [MantisBT](https://bitnami.com/stack/mantis), [Redmine](https://bitnami.com/stack/redmine), [Trac](https://bitnami.com/stack/trac) and [more](https://bitnami.com/stacks).
  • Ganeti - Cluster virtual server management software tool built on top of KVM and Xen.
  • KVM - Linux kernel virtualization infrastructure.
  • oVirt - Manages virtual machines, storage and virtual networks.
  • OpenNebula - Flexible enterprise cloud made simple
  • Packer - A tool for creating identical machine images for multiple platforms from a single source configuration.
  • Proxmox VE - Complete open source virtualization management solution
  • QEMU - QEMU is a generic and open source 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.
  • 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.
  • SigmaVPN - SigmaVPN is simple, light-weight and modular VPN software for UNIX systems, deploying the NaCl encryption library.
  • 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.
  • Mailpile - A modern, fast web-mail client with user-friendly encryption and privacy features.
  • RainLoop - Simple, modern & fast web-based IMAP client.
  • Roundcube - Browser-based IMAP client with an application-like user interface.
  • 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.
  • HAProxy - Software based load Balancing, SSL offloading and performance optimization, compression, and general web routing.
  • Squid - Caching proxy for the web supporting HTTP, HTTPS, FTP, and more.
  • Varnish - HTTP based web application accelerator focusing on optimizing caching and compression.
  • 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.
  • Mediawiki - Used to power Wikipedia.
  • MoinMoin - An advanced, easy to use and extensible WikiEngine with a large community of users.
  • Ōlelo Wiki - A a wiki that stores pages in a Git repository.
  • TiddlyWiki - Complete interactive wiki in JavaScript.
  • Code as Craft - Etsy's Ops blog, lots of technical posts.
  • DevOpsGuys - Devops consultants who blog about operations.
  • Rackspace Developers - Slightly biased blog with lots of Devops Topics.
  • OpenSSL Cookbook - A free ebook about OpenSSL basics and how to create secure configurations by Ivan Ristić.
  • The Linux Command Line - A book about the Linux command line by William Shotts.
  • The Phoenix Project: A Novel about IT, DevOps, and Helping Your Business Win - How DevOps techniques can fix the problems that happen in IT organizations.
  • The Practice of System and Network Administration - The first and second editions describes the best practices of system and network administration, independent of specific platforms or technologies.
  • The Visible Ops Handbook: Implementing ITIL in 4 Practical and Auditable Steps - Is a methodology designed to jumpstart implementation of controls and process improvement.
  • UNIX and Linux System Administration Handbook - Approaches system administration from a practical perspective.
  • Atom - A hackable text editor from Github.
  • Brackets - Open source 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.
  • Light Table - The next generation code editor.
  • Lime - Aims to provide an open source solution to Sublime Text
  • Vim - A highly configurable text editor built to enable efficient editing.
  • Dotdeb - Repository with LAMP updated packages for Debian.
  • Remi - Repository with LAMP updated packages for RHEL/Centos/Fedora.
  • High Scalability - Blog to help you build successful scalable websites.
  • Ops School - Comprehensive program that will help you learn to be an operations engineer.
  • Digital Ocean Tutorials - A surprisingly vast resource for getting the basics of certain applications, tools, or even systems administration topics. (Note: Digital Ocean pays authors for this content)
  • Servers for Hackers - Newsletter for programmers who find themselves needing to know their way around a server.
  • GitFlow - Git extensions to provide high-level repository operations for Vincent Driessen's branching model.
  • GitFlowCheatsheet - GitFlow cheatsheet
  • Gource - Software version control visualization
  • Semver - Semantic Versioning
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