Best Free Software for Linux

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This list of Best Free Software for Linux now includes 152 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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This category is maintained by volunteer editor Jojo Yee. Registered members can contact the editor with comments or suggestions by clicking here.
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"... 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/

Gitolite allows you to setup git hosting on a central server, with fine-grained access control and many more powerful features:

http://gitolite.com/gitolite/index.html

 

mtr combines the functionality of the 'traceroute' and 'ping' programs in a single network diagnostic tool:

https://github.com/traviscross/mtr

 

etckeeper is a collection of tools to let /etc be stored in a git, mercurial, bazaar or darcs repository:

http://etckeeper.branchable.com/

 

Valentina Studio is the ultimate data management tool for database administrators:
https://www.valentina-db.com/en/get-free-valentina-studio

 

HipChat:
https://www.hipchat.com/

 

"... Profile-sync-daemon (psd) is a tiny pseudo-daemon designed to manage your browser's profile in tmpfs and to periodically sync it back to your physical disc (HDD/SSD). This is accomplished via a symlinking step and an innovative use of rsync to maintain back-up and synchronization between the two. One of the major design goals of psd is a completely transparent user experience ...":

https://github.com/graysky2/profile-sync-daemon

4bit terminal color scheme designer:

http://ciembor.github.io/4bit/

 

feh is an X11 image viewer:

http://feh.finalrewind.org/

 

qiv - image viewer:

http://spiegl.de/qiv/

 

Viewnior is a fast and simple image viewer:

http://siyanpanayotov.com/project/viewnior/

 

xzgv is a keyboard-controllable fast picture viewer:

http://sourceforge.net/projects/xzgv/

"... Iridium is a free, open, and libre browser modification of the Chromium code base, with privacy being enhanced in several key areas. Automatic transmission of partial queries, keywords, metrics to central services inhibited and only occurs with consent. In addition, all our builds are reproducible, and modifications are auditable, setting the project ahead of other secure browser providers ...":
https://iridiumbrowser.de/

 

Inox browser:

https://bbs.archlinux.org/viewtopic.php?id=198763

zer0prompt:

https://github.com/zer0ed/zer0prompt/

 

Epsxe - a Playstation emulator:
http://epsxe.com/

 

Bos Wars is a futuristic real time strategy game (RTS). In a RTS game, the player has to combat his enemies while developing his war economy:

http://www.boswars.org/index.shtml

 

Enpass takes care of all your life important credentials & online accounts in safe and best way:

http://www.enpass.io/apps/linux/

OpenClonk is a free multiplayer action game in which you control clonks, small but witty and nimble humanoid beings. The game is mainly about mining, settling and fast-paced melees:

http://www.openclonk.org/

Secret Maryo Chronicles is an Open Source two-dimensional platform game with a design similar to classic computer games:

http://www.secretmaryo.org/

 

Potrace is a tool for tracing a bitmap, which means, transforming a bitmap into a smooth, scalable image:

http://potrace.sourceforge.net/

 

"... Koala is a GUI application for Less, Sass, Compass and CoffeeScript compilation, to help web developers to use them more efficiently ...":

http://koala-app.com/

"... Compose is a tool for defining and running complex applications with Docker. With Compose, you define a multi-container application in a single file, then spin your application up in a single command which does everything that needs to be done to get it running ...":

https://docs.docker.com/compose/

 

"... Solaar is a Linux device manager for Logitech’s  Unifying Receiver peripherals. It is able to pair/unpair devices to the receiver, and for most devices read battery status ...":

https://github.com/pwr/Solaar

 

PS3 Media Server is a DLNA-compliant UPnP Media Server:
http://www.ps3mediaserver.org/

Caddy - the HTTP/2 web server:
http://caddyserver.com/

 

Mutate is a simple launcher inspired by Alfred (OS X app) for Linux. Be more productive with hotkeys, keywords and file actions at your fingertips:

https://github.com/qdore/Mutate

Foobnix - lightweight and functional music player for Linux:
http://foobnix.com/en/index.html

 

Antimony - free graph-based 3D CAD system:

http://www.mattkeeter.com/projects/antimony/3/

 

LibreCAD:

http://librecad.org/cms/home.html

 

Using ZeroTier One you can create a global provider-independent virtual private cloud network in minutes:

https://www.zerotier.com/

 

DD-WRT is a Linux based alternative OpenSource firmware suitable for a great variety of WLAN routers and embedded systems:
http://www.dd-wrt.com/site/index

 

nQuake:

http://www.nquake.com/

"... LeoCAD is a CAD program for creating virtual LEGO models. It has an easy to use interface and currently includes over 6000 different pieces created by the ​LDraw community ...":

http://www.leocad.org/trac

 

OpenSCAD is a software for creating solid 3D CAD objects:
http://www.openscad.org/

 

Brackets - text editor:

http://brackets.io/

Archimedes is a free and open source CAD software:

http://archimedescad.github.io/Archimedes/

 

"... Kexi is an open source visual database applications creator, a long-awaited competitor for programs like MS Access
or Filemaker ..." (part of Calligra suite):

http://www.kexi-project.org/

 

EGroupware is a multi-user, web-based groupware suite:

http://www.egroupware.org/products-and-prices/egroupware-community-editi...

 

Onepoint project:

http://sourceforge.net/projects/opproject/

 

PhotoQt - image viewer:
http://photoqt.org/

 

Imperium - "... Open Source Web Based Business Management and Accounting Software -- Imperium provides a database of Contacts, Work Orders, Invoices and Accounts - the core functionality to manage your business finances. Integrates with email (SMTP, IMAP) and Google Services (contacts, tasks, calendar) ...":

https://github.com/edoceo/imperium

 

Frinika is a free complete music workstation software containing sequencer, midi support, soft synthesizers, audio recorder, piano roll/tracker/notation editing and more:

http://frinika.appspot.com/

 

"... BRL-CAD is a powerful cross-platform open source solid modeling system that includes interactive geometry editing, high-performance ray-tracing for rendering and geometric analysis, image and signal-processing tools, a system performance analysis benchmark suite, libraries for robust geometric representation, with more than 20 years of active development ...":

http://brlcad.org/

 

Bonita BPM:

http://sourceforge.net/projects/bonita/

Vokoscreen - recording screencasts with audio:

http://www.kohaupt-online.de/hp/

 

"... Sysdig is open source, system-level exploration: capture system state and activity from a running Linux instance, then save, filter and analyze. Sysdig is scriptable in Lua and includes a command line interface and a powerful interactive UI, csysdig, that runs in your terminal. Think of sysdig as strace + tcpdump + htop + iftop + lsof + awesome sauce. With state of the art container visibility on top ...":

http://www.sysdig.org/

 

Speed Dreams is a 3d cross-platform, open source motorsport simulation and racing game:

http://www.speed-dreams.org/

 

"... Destination Sol ... Pilot your ship in the seamless open world made of space, planets, and more. Find new ships and equipment, find allies and beat all the enemies ...:"

http://store.steampowered.com/app/342980/

NINJA-IDE:
http://ninja-ide.org/

 

TeX Live is an easy way to get up and running with the TeX document production system:
https://www.tug.org/texlive/

 

X2Go enables you to access a graphical desktop of a computer over a low bandwidth (or high bandwidth) connection:

http://wiki.x2go.org/doku.php/doc:newtox2go

 

Compton is a lightweight, standalone composite manager, suitable for use with window managers that do not natively provide compositing functionality:

https://github.com/chjj/compton

 

easystroke is a gesture-recognition application:

http://sourceforge.net/projects/easystroke/

MuPDF - a lightweight PDF and XPS viewer:

http://mupdf.com/

 

"... Unison is a file-synchronization tool for OSX, Unix, and Windows. It allows two replicas of a collection of files and directories to be stored on different hosts (or different disks on the same host), modified separately, and then brought up to date by propagating the changes in each replica to the other ...":

http://www.cis.upenn.edu/~bcpierce/unison/

 

"... Noise is a fast and beautiful GTK3 audio player with a focus on music and libraries ...":

https://launchpad.net/noise

 

Audience - a modern video player that brings the lessons learned from the web home to the desktop:

https://launchpad.net/audience

 

gummi - simple LaTeX editor:

https://github.com/alexandervdm/gummi

youtube-viewer - a lightweight application for searching and streaming videos from YouTube:

https://github.com/trizen/youtube-viewer

https://code.google.com/p/trizen/

 

TypeCatcher allows you to search, browse, and download Google webfonts for off-line use:

https://launchpad.net/typecatcher

 

TLP brings you the benefits of advanced power management for Linux without the need to understand every technical detail:

https://github.com/linrunner/TLP

 

Lime Text is a powerful and elegant text editor primarily developed in Go that aims to be a Free and open-source software successor to Sublime Text:
http://limetext.org/

 

Diodon - GTK+ Clipboard Manager:

https://launchpad.net/diodon

"... The Silver Searcher is a tool for searching code. It started off as a clone of Ack, but their feature sets have since diverged slightly. In typical usage, Ag is 5-10x faster than Ack ...":

http://geoff.greer.fm/ag/

 

Ledger is a powerful, double-entry accounting system that is accessed from the UNIX command-line:

http://www.ledger-cli.org/

 

get_iplayer - a utility for downloading TV and radio from BBC iPlayer:

https://github.com/get-iplayer/get_iplayer

 

pianobarfly is a console client for the personalized web radio Pandora:

https://github.com/nega0/pianobarfly

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