Best Free Software for Linux

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This list of Best Free Software for Linux now includes 155 apps in various categories. Among a plethora of freeware products, we have selected some gems in each category and added them to the list with clear and brief descriptions of each app.

To quickly find what you want, select an App Category on the top of this page or use the box below to view all apps in one massive list.

 

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Eric is a full featured Python and Ruby editor and IDE:
http://eric-ide.python-projects.org/index.html

 

Elkarbackup:

http://elkarbackup.github.io/

 

ZinjaI is a free C/C++ IDE:
http://zinjai.sourceforge.net/index_en.php?page=portada_en.php

 

Pritunl free VPN server:
http://pritunl.com/

 

SoftEther VPN:
https://www.softether.org/1-features

 

sshuttle:

https://github.com/apenwarr/sshuttle

 

GitPrep - a GitHub clone:

http://gitprep.yukikimoto.com/

 

Glastopf:

https://github.com/mushorg/glastopf

 

Sensu Core is an open-source monitoring framework:

https://sensuapp.org/#features

 

Cowrie is a medium interaction SSH honeypot designed to log brute force attacks and, most importantly, the entire shell interaction performed by the attacker:
https://github.com/micheloosterhof/cowrie

 

"... Shinken is a monitoring framework. It's a Python Nagios® Core total rewrite enhancing flexibility and large environment management ...":

http://www.shinken-monitoring.org/

 

Amanda Community Edition - open source backup and recovery software:

http://amanda.zmanda.com/

http://www.zmanda.com/download-amanda.php

 

Candy — a JavaScript-based multi-user chat client:

http://candy-chat.github.io/candy/

 

Prosody is a modern XMPP communication server:

https://prosody.im/

 

"... Cherokee is an innovative, feature rich, lightning fast and easy to configure open source web server designed for the next generation of highly concurrent secured web applications ...":

http://cherokee-project.com/

 

lighttpd - web server:

http://www.lighttpd.net/

 

OSSEC is an Open Source Host-based Intrusion Detection System that performs log analysis, file integrity checking, policy monitoring, rootkit detection, real-time alerting and active response:
http://www.ossec.net/

 

Consul:

https://www.consul.io/intro/index.html

 

Attic - a backup software:

https://attic-backup.org/

 

bareos:

https://www.bareos.org/en/

 

Archipel is a solution to manage and supervise virtual machines:

http://archipelproject.org/

 

"... Bro is an open source network security platform that illuminates your network's activity in detail ...":

https://www.bro.org/

 

DenyHosts is a script intended to be run by Linux system administrators to help thwart SSH server attacks (also known as dictionary based attacks and brute force attacks):

http://denyhosts.sourceforge.net/

 

Tupi - a design and authoring tool for digital artists interested in 2D Animation, offering an interface experience focused on 8-100 years old kids:

http://www.maefloresta.com/portal/about

"... Riemann aggregates events from your servers and applications with a powerful stream processing language. Send an email for every exception in your app. Track the latency distribution of your web app. See the top processes on any host, by memory and CPU. Combine statistics from every Riak node in your cluster and forward to Graphite. Track user activity from second to second ...":

http://riemann.io/

 

strongSwan - IPsec-based VPN Solution:

https://www.strongswan.org/

 

tinc is a VPN daemon that uses tunnelling and encryption to create a secure private network between hosts on the Internet:

http://www.tinc-vpn.org/

 

OpenVZ is container-based virtualization for Linux. OpenVZ creates multiple secure, isolated Linux containers (otherwise known as VEs or VPSs) on a single physical server enabling better server utilization and ensuring that applications do not conflict. Each container performs and executes exactly like a stand-alone server; a container can be rebooted independently and have root access, users, IP addresses, memory, processes, files, applications, system libraries and configuration files:

http://openvz.org/Main_Page

 

Cabot is a free, open-source, self-hosted infrastructure monitoring platform:

http://cabotapp.com/

https://github.com/arachnys/cabot

 

Xymon is a system for monitoring of hosts and networks, inspired by the Big Brother system. It provides real-time monitoring, an easy web-interface, historical data, availability reports and performance graphs:

http://xymon.sourceforge.net/

 

Linux Malware Detect (LMD) is a malware scanner that is designed around the threats faced in shared hosted environments:

https://www.rfxn.com/projects/linux-malware-detect/

 

Fail2ban scans log files and bans IPs that show the malicious signs -- too many password failures, seeking for exploits, etc.:

http://www.fail2ban.org/

 

fwknop:

https://www.cipherdyne.org/fwknop/

 

Backupninja allows you to coordinate system backup by dropping a few simple configuration files into /etc/backup.d/:

https://labs.riseup.net/code/projects/backupninja

"... Auteria is a fantasy world within our real world. It is a free to play 3D multiplayer online game ...":

https://www.auteria.com/

 

GemRB (Game engine made with pre-Rendered Background) is a portable open-source implementation of Bioware's Infinity Engine:

http://sourceforge.net/projects/gemrb/

 

free heroes2 engine - free implementation of Heroes of the Might and Magic II engine:

http://sourceforge.net/projects/fheroes2/

 

Nota - free startegic game:

http://nota.machys.net/

 

GlPortal is a puzzle game inspired by Valves Portal:
http://glportal.de/

 

Ultimate Stunts is a remake of the famous DOS-game stunts:

http://www.ultimatestunts.nl/

 

Tile racer:

http://tileracer.model-view.com/tl/index.php/news.html

 

Slam Soccer 2006 is a funny football game in 3D-comic-style:

http://www.bolzplatz2006.de/en/about.php

 

Zaz - puzzle game:

http://sourceforge.net/projects/zaz/

 

Terminal Overload is a home-made experimental free and open source multiplayer FPS game:

http://www.terminal-overload.org/

 

Babylon project - community created freeware space combat simulator based on the Babylon 5 universe:

http://babylon.hard-light.net/

 

Kobo Deluxe:

http://olofson.net/kobodl/

http://olofson.net/kobodl/download.html

"... MistServer open source is high performing and efficient media server ...":
http://www.mistserver.org/products/MistServer

Light Table - code editor:

http://lighttable.com/

 

TexitEasy is a free, cross-platform and open-source latex editor:

http://texiteasy.com/

 

Geogebra is a multi-platform mathematics software:

https://www.geogebra.org/

 

OpenFX is an Open-Source 3D modeling, animation and rendering suite:
http://www.openfx.org/

DataMelt is a free mathematics software for scientists, engineers and students. It can be used for numeric computation, statistics, symbolic calculations, data analysis and data visualization:

http://jwork.org/dmelt/#readme

"...Subuser turns a docker container into a normal program ...": http://subuser.org/index.html

grab-site is an easy preconfigured web crawler designed for backing up websites:

https://github.com/ludios/grab-site

Encryptr - a free, open source password manager and e-wallet:
https://encryptr.org/

 

Mr. Rescue is an arcade styled 2d action game centered around evacuating civilians from burning buildings:

http://tangramgames.dk/games/mrrescue/

Quill is a free, open siource WYSIWYG editor built for the modern web:

http://quilljs.com/

 

"... Kamailio is an Open Source SIP Server released under GPL, able to handle thousands of call setups per second. Kamailio can be used to build large platforms for VoIP and realtime communications – presence, WebRTC, Instant messaging and other applications ...":

http://www.kamailio.org/w/

 

"... Embedthis Pak is a package manager for application components. Pak makes it easy to retrieve, integrate and manage components for applications ...":
https://embedthis.com/pak/index.html

 

Nikola — static site generator:

https://getnikola.com/

 

"... Grav is a fast, simple, and flexible file-based web-platform ...":
http://getgrav.org/

 

Yawls (Yet Another Webcam Light Sensor) - adjust the brightness level of your display by using the internal/external webcam of your notebook as an ambient light sensor:

https://launchpad.net/yawls

 

Seed7 - interpreter and compiler for the Seed7 programming language:

http://sourceforge.net/projects/seed7/

 

slap is a Sublime-like terminal-based text editor that strives to make editing from the terminal easier:
https://github.com/slap-editor/slap

 

RPGboss is a 2D role-playing game engine and application designer:
http://rpgboss.com/

 

Raccoon - A Google Play desktop client:

http://www.onyxbits.de/raccoon

 

MikroLock combines modern cryptography and ease of use:

http://andre-simon.de/doku/mlock/en/mlock.php

"... Kakoune is a code editor heavily inspired by Vim, as such most of its commands are similar to vi’s ones ...":

https://github.com/mawww/kakoune/

 

"... Scumblr is a web application that allows performing periodic searches and storing/taking actions on the identified results ...":

https://github.com/Netflix/scumblr

 

"... qfc is a shell auto-complete alternative which features real-time multi-directories matching: It provides results while you type against files in the current directory and its sub-directories ...":

https://github.com/pindexis/qfc

 

doit is a task management and automation tool:

http://pydoit.org/

 

".. toplip is our command line, very strong encryption and decryption utility with optional plausible deniability, image embedding, and multiple/variable passphrase complexity ...":

https://2ton.com.au/toplip/

 

"... Pentobi is a computer opponent for the board game Blokus ...":

http://pentobi.sourceforge.net/

 

mtCellEdit - a lightweight spreadsheet program:

http://mtcelledit.sourceforge.net/

 

"... Cyrus is a highly scalable enterprise mail system designed for use in enterprise environments of various sizes using standards based technologies ...":

https://cyrusimap.org/index.php

 

nuBASIC is a programming language from the BASIC family:

http://www.nubasic.eu/

"... Oh-My-Zsh is an open source, community-driven framework for managing your ZSH configuration ...":

http://ohmyz.sh/

 

"... Fifth is a Linux-exclusive browser that carries the best features from Opera, as well as a few unique features that are likely to please Linux power users ...":

http://freshcode.club/projects/fifth

http://sourceforge.net/projects/fifth-browser/

 

"Scribes .... a minimalist text editor that combines simplicity with power ...":

http://scribes.sourceforge.net/

 

hbro - a minimal web-browser written and configured in Haskell:

https://github.com/k0ral/hbro

 

"... tabble is a small alternative X shell which presents your programs in tabs for easy launch. It is not meant to replace a window manager, just complement it ...":

http://www.rillion.net/tabble/index.html

 

howm - a lightweight, X11 tiling window manager that behaves like vim:
 
Vault secures, stores, and tightly controls access to tokens, passwords, certificates, API keys, and other secrets in modern computing:
 
The traditional vi - the traditional vi editor, ported to modern Unix systems:
 

Edbrowse is a combination editor, browser, and mail client that is 100% text based:

http://edbrowse.org/

"... Fotoxx is a free open source Linux program for photo and image editing and collection management.The goal is to meet the needs of serious photographers while remaining fast and easy to use ...":

http://www.kornelix.com/fotoxx.html

"... Geekbench 3 is Primate Labs' cross-platform processor benchmark, with a new scoring system that separates single-core and multi-core performance, and new workloads that simulate real-world scenarios. Geekbench 3 makes it easier than ever to find out if your computer is up to speed ...":

http://www.primatelabs.com/geekbench/

wkhtmltopdf and wkhtmltoimage are open source (LGPLv3) command line tools to render HTML into PDF and various image formats using the QT Webkit rendering engine:
http://wkhtmltopdf.org/


NxFilter is a freeware web-filter:
http://www.nxfilter.org/p2/

 

"... K2pdfopt optimizes PDF/DJVU files for mobile e-readers (e.g. the Kindle) and smartphones. It works well on multi-column PDF/DJVU files and can re-flow text even on scanned PDF files. It can also be used as a general PDF copying/cropping/re-sizing/OCR-ing manipulation tool ...":

http://www.willus.com/k2pdfopt/

 

Lurch is a simple math word processor with a general-purpose math checker built in:
http://lurchmath.org/

 

Knot DNS is a high-performance authoritative-only DNS server:

https://www.knot-dns.cz/

 

Vim colors:

http://vimcolors.com/

 

CmapTools software empowers users to construct, navigate, share and criticize knowledge models represented as concept maps:
http://cmap.ihmc.us/cmaptools/

 

Pingendo:

http://pingendo.com/

Packer is a tool for creating machine and container images for multiple platforms from a single source configuration:
https://www.packer.io/

Ring gives you a full control over your communications and an unmatched level of privacy:
http://ring.cx/

 

"... Smuxi - user-friendly IRC/Twitter/XMPP/Campfire/JabbR client ...":
https://smuxi.im/

 

web-vmstats - prettify vmstats in your browser:

https://github.com/joewalnes/web-vmstats

 

KVIrc:

http://www.kvirc.net/

 

FVWM-Crystal aims to create an easy to use, eye-candy but also powerful desktop environment for Linux:
http://fvwm-crystal.sourceforge.net/

Fedy lets you install multimedia codecs and additional software that Fedora doesn't want to ship, like mp3 support, Adobe Flash, Oracle Java etc., and much more with just a few clicks:

https://satya164.github.io/fedy/

 

Nuclide is a collection of packages for Atom to provide IDE-like functionality for a variety of programming languages and technologies:
http://nuclide.io/

 

BowlerStudio is a device manager, scripting engine, CAD package, and simulation tool all in one application:

https://github.com/NeuronRobotics/BowlerStudio

Viber for Linux lets you send free messages and make free calls to other Viber users on any device and network, in any country:

https://www.viber.com/en/products/linux

 

k is a zsh script / plugin to make directory listings more readable, adding a bit of color and some git status information on files and directories:

https://github.com/rimraf/k

 

lsp: list files in a mildly human-frendlier manner:

https://github.com/dborzov/lsp

 

ImageScraper - command line tool which downloads images from the given webpage:

https://github.com/sananth12/ImageScraper

Servo is a prototype web browser engine written in the Rust language:

https://github.com/servo/servo

Dovecot is an open source IMAP and POP3 email server for Linux/UNIX-like systems, written with security primarily in mind:

http://www.dovecot.org/

 


dispcal GUI - open source display calibration and characterization:
http://dispcalgui.hoech.net/

 

"... aptly is a swiss army knife for Debian repository management: it allows you to mirror remote repositories, manage local package repositories, take snapshots, pull new versions of packages along with dependencies, publish as Debian repository ...":

http://www.aptly.info/

"... xombrero is a minimalist web browser with sophisticated security features designed-in, rather than through an add-on after-the-fact. In particular, it provides both persistent and per-session controls for scripts and cookies, making it easy to thwart tracking and scripting attacks ...":

https://opensource.conformal.com/wiki/xombrero

 

Kismet is an 802.11 layer2 wireless network detector, sniffer, and intrusion detection system:

https://www.kismetwireless.net/

 

"... Apache Directory Studio is a complete directory tooling platform intended to be used with any LDAP server however it is particularly designed for use with ApacheDS ...":
https://directory.apache.org/studio/

 

"... GlusterFS is a scalable network filesystem. Using common off-the-shelf hardware, you can create large, distributed storage solutions for media streaming, data analysis, and other data- and bandwidth-intensive tasks ...":

http://www.gluster.org/

 

"... Graylog is a fully integrated open source log management platform for collecting, indexing, and analyzing both structured and unstructured data from almost any source ...":
https://www.graylog.org/

 

 GNS3 - a graphical network simulator to design and configure virtual networks:

http://sourceforge.net/projects/gns-3/

 

NXLOG is a universal log collector and forwarder supporting different platforms, log sources and protocols:
http://nxlog-ce.sourceforge.net/

 

"... Jenkins is an award-winning application that monitors executions of repeated jobs, such as building a software project or jobs run by cron ...":
https://jenkins-ci.org/

 

Ganglia is a scalable distributed monitoring system for high-performance computing systems such as clusters and Grids:

http://sourceforge.net/projects/ganglia/

Cuckoo is an automated malware analysis system: a tool that allows you to understand what a given file does when executed inside an isolated environment:
http://www.cuckoosandbox.org/

 

DRBL (Diskless Remote Boot in Linux) is free software, open source solution to managing the deployment of the GNU/Linux operating system across many clients:

http://drbl.org/

 

Fluentd is an open source data collector for unified logging layer:

http://www.fluentd.org/

 

"... Kibana is an open source data visualization platform that allows you to interact with your data through stunning, powerful graphics that can be combined into custom dashboards that help you share insights from your data far and wide ...":

https://www.elastic.co/products/kibana

 

"... Entangle provides a graphical interface for “tethered shooting”, aka taking photographs with a digital camera completely controlled from the computer ...":

http://entangle-photo.org/

 

ascii-minesweeper:

https://github.com/Aracthor/ascii-minesweeper

 

"... TeemIp ... is a robust Open Source web 2.0 solution that enables professional IP Management activity within IT departments of all size....":

http://www.teemip.com/

 

Asciinema - record and share your terminal sessions:

https://asciinema.org/

 

"... Jahshaka is bringing you the future of immersive digital content creation. It delivers a media management and playback platform the is accentuated by compositing, editing and effects modules ...":
http://www.jahshaka.com/

 

CherryMusic - a music streaming server written in Python:

http://www.fomori.org/cherrymusic/

"... tonight you die is an audio rich first person exploration game. players are abandoned in a desolate brutalist cityscape with only a menacing note as a clue: "tonight you die" ...":

http://duendegames.itch.io/tonightyoudie

"... BitlBee brings IM (instant messaging) to IRC clients. It's a great solution for people who have an IRC client running all the time and don't want to run an additional MSN/AIM/whatever client ...":

https://www.bitlbee.org/

 

"... Vimb is a fast and lightweight vim like web browser based on the webkit web browser engine and the GTK toolkit. Vimb is modal like the great vim editor and also easily configurable during runtime. Vimb is mostly keyboard driven and does not detract you from your daily work ...":

https://fanglingsu.github.io/vimb/

 

Termite - a keyboard-centric VTE-based terminal, aimed at use within a window manager with tiling and/or tabbing support:

https://github.com/thestinger/termite

 

"... preload is an adaptive readahead daemon. It monitors applications that users run, and by analyzing this data, predicts what applications users might run, and fetches those binaries and their dependencies into memory for faster startup times ...":

http://sourceforge.net/projects/preload/

 

DBeaver - a universal database tool for developers and database administrators:

http://dbeaver.jkiss.org/

 

Buddi is a personal finance and budgeting program:
http://buddi.digitalcave.ca/

 

FreeWRL is an Open Source, cross platform VRML2 and X3D compliant browser, with script, SAI and EAI support:

http://sourceforge.net/projects/freewrl/

 

Photivo:

http://photivo.org/

 

Photoflow - a fully non-destructive photo retouching program providing a complete workflow from RAW image development to printing:
http://aferrero2707.github.io/PhotoFlow/

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