System Software

From Free Open Source Software
Revision as of 23:15, 28 January 2015 by Wstewart (talk | contribs)
Jump to: navigation, search

Good FOSS system software -- operating system, middleware, utilities -- are collected below.&nbsp. Please make sure any software you add has at least a basic development and user community.


  • Puppet - automated installation, configuration, management, etc.


  • Amanda - most widely used FOSS backup software.
  • Bacula - second most widely used FOSS backup software.

Bug Tracking & Management

  • BugZilla - standard FOSS bug management app, traces its heritage back to Mozilla Netscape.


Certificates - Digital, SSL

  • Dogtag - enterprise-class Certificate Authority (CA), hardened by real-world deployments, supporting OCSP, smartcards, and more.
  • easy-rsa - OpenVPN utility to build and manage a PKI CA, create a root certificate authority, and request and sign certificates, including sub-CAs,
  • EJBCA - Certificate Authority and OCSP support, using Java, high performance, highly scalable, platform independent.
  • OpenCA - robust, out-of-the-box Certification Authority with full-strength cryptography, based on openLDAP, OpenSSL, Apache Project, and Apache mod_ssl.
  • OpenSSL - robust, commercial-grade, toolkit implementing Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1), and a full cryptography library.
  • r509 - Ruby gem using OpenSSL for creation of signed certificates, CSRs, and revocation (CRL/OCSP), for full RFC 3280/5280 certificate authority enterprise use.
  • TinyCA2 - fork of the no longer maintained TinyCA, manages a certification authority and x509 certificates as a frontend to OpenSSL, including subCAs for more complex setups.
  • XCA - for creating and managing X.509 certificates, certificate requests, RSA, DSA and EC private keys, Smartcards, CRLs, and sub-CAs.

Cloud Computing

Collaboration Server


  • 7-Zip - standard gzip, zip, other compression.

Configuration Management

  • Git - highly scalable, developed by Linux creator Linus Torvalds.

Cross Language Development

  • Finagle - Twitter network stack for the JVM to build asynchronous RPC clients and servers in any JVM hosted language.
  • Thrift - Apache project to define data-types and services across programming languages.


  • HBase - Hadoop's very high scalability distributed database from Apache.
  • HyperTable - very high scalability Hadoop compatible distributed database.
  • MongoDB - scalable NoSQL database.
  • MySQL - popular relational database.
  • PostgreSQL - standard FOSS enterprise relational database, very highly scalable.
  • Neo4j - high-performance, NOSQL graph database.
  • Perst - object oriented embedded database.
  • Redis - in-memory key value data store.
  • Riak - fault tolerant distributed database.
  • SQLite - light-weight relational database.

Database Management

  • phpMyAdmin - one of the first GUI tools for DB management.

Data-Center Management


  • DWR - Ajax Java library.
  • Bootstrap - Twitter framework for web development.
  • YUI - JavaScript library for development web applications, from Yahoo.
  • FreePascal - A FOSS Pascal editor/compiler like Turbo Pascal that runs on multiple operating systems (Linux/FreeBSD/Mac OS X/iOS/Darwin/DOS/Windows ...) and architectures (Intel x86, AMD64/x86-64, PowerPC, PowerPC64, SPARC, and ARM).
  • Lazarus - Lazarus is a GUI editor like Delphi and uses the FreePascal Compiler. Write once compile anywhere.

Directory Services

  • OpenLDAP - standard FOSS Light-weight Directory Access Protocol (LDAP) solution.

Disk Partitioning

Distributed Computing (High Scalability)

  • Cassandra - distributed data replication and fault tolerance.
  • Hadoop - processing of very large data sets across many computers.
  • Mesos - application resource management across clusters.
  • Spark - high scalability distributed data analytics.
  • Storm - distributed very large data set processing.

Domain Name System (DNS)

  • BIND - manages the relationships between domain names and IP addresses, pretty much runs the Internet.


  • Linux drivers - drivers for printers, scanners, and other hardware devices for Linux operating systems.


  • Davmail - Microsoft Exchange connector for almost any client.
  • Dovecot - standard FOSS email server with IMAP, POP3 support.
  • DSPAM - content-based adaptive spam filter for multi-user enterprise systems.
  • OpenDKIM - DKIM (Domain Keys Identified Mail) sender authentication system (RFC6376), includes Author Domain Signing Practises (ADSP, RFC5617), Vouch By Reference (VBR, RFC5518), and Authorized Third Party Signatures protocol (ATPS, RFC6541).
  • Postfix - standard FOSS Mail Transfer Agent (MTA).

File Encryption

  • End-to-End - email encryption plugin for Chrome web browser.
  • FreeOTFE - old FOSS on-the-fly disk file encryption.

Enterprise Service Bus


  • HylaFax - fax send, receive, route to email.

File Synchronization

File Systems

  • Ceph - distributed object store and file system.

File Transfer Protocol (FTP)

Geographic Information Systems

Groupware Synchronization

  • SyncEvolution - synchronizing with Evolution email / calendar / contacts app.

Messaging Systems


  • Tizen - device API for HTML5.

Natural Language Processing (NLP)


  • node.js - JavaScript for scalable network programming.
  • Samba - connection of Linux and Microsoft Windows networking, file systems, printers.

Network Management

  • Nagios - standard FOSS monitoring and alerting software.

Network Monitoring

Operating Systems

  • Contiki - lightweight OS for the "Internet of things".
  • Linux - FOSS version of Unix, now the standard and most widely used server operating system.
  • OpenBSD - old Unix variant, uses very open BSD License, record of being extraordinarily secure.
  • Red Hat - first commercially supported Linux operating system (1993).
  • Tails - Secure Linux bootable from USB with privacy tools builtin.
  • Ubuntu - most widely used FOSS desktop operating system.

Operating Systems Embedded

Operating System Emulation

  • Wine - Windows emulator on Linux, can run some but not all versions of a lot of Windows software.

Operating System Virtualization

  • OpenVZ - Linux kernel parallelization.

Password Utilities

  • ophcrack - Windows password cracker using rainbow tables (Apache 2, GPL2)


  • Liferay - mobile content development.

Proxy Servers

  • Nginx - HTTP and reverse proxy server, and mail proxy server.



Security Software

  • Barada - two factor password authentication.
  • Kerberos - standard FOSS software for secure authentication of users and software.
  • OpenVPN - standard FOSS software for virtual private networks.


  • Android - standard FOSS smartphone software from Google.
  • Funambol - standard FOSS smartphone system and software communications integration software.

Spam and Anti-Virus Protection

  • ClamAV - standard FOSS anti-virus tool, mainly used to clean Windows viruses from email passing through.
  • ClamWin - ClamAV version for Windows computers.
  • dkim-milter - legitimate email authentication support.
  • DSPAM - standard FOSS spam blocking software.


  • StatsD - front-end proxy for the Graphite/Carbon metrics and graphing server.

Storage Management

  • FreeNAS - Network Attached Storage (NAS) management.

System Cloning

System Integration

  • Chef - automation of application management and configuration.

Systems Management

  • Spacewalk - Linux content provisioning and monitoring.
  • sysdig - capture and analyze Linux instance state information.
  • ZooKeeper - centralized maintenance of system configuration data, Apache project.


  • Chaos Monkey - random process termination testing (from Netflix).
  • HtmlUnit - GUI-less web emulator for testing from Java.
  • Iago - load generator for performance testing.
  • Zipkin - web service response time profiling.


  • WebM - an open web media project developing a high-quality, open video format.

Virtual Desktop

  • FreeNX - the original FOSS NX server.
  • neatx - an NX server version from Google.
  • SPICE - NX software from Redhat.
  • x2go - x-windows remote access.

Web Server

  • Apache Web Server - the first and now standard FOSS website server, runs most of the world's websites, provided an early proof of the superior performance and robustness of a FOSS application.