Best Free Software for Linux: Page 3 of 10

Best Free Desktop and System for Linux

Best Free Cleanup and Tuning for Linux

BleachBitBleachBit , a system tool allows you to preview and delete unnecessary files to free up your valuable disk space, maintain privacy, and remove hidden junk. It deletes cache, cookies, Internet history, logs, temporary files, broken shortcuts, and wipes clean 70 applications and more.


GtkOrphan , an orphaned libraries remover to analyse the status of your installations, looks for orphaned libraries and adds package-removal capability. A GUI front-end to Deborphan for Debian systems.


Best Free Color Picker for Linux

gcolor2 , quick and easy to pick a color, supports HSV, RGB and HTML codes with an opacity slider, color grabber, allows for naming and saving picked colors. (Review)


Recoll , an open source program and a powerful tool allows you to search instantly most common document types, emails and their attachments after indexing your home directory by default. You can configure additional areas for indexing and install supporting packages to include file types that are not indexed natively by the tool as well.


Best Free Font Manager for Linux

FontmatrixFontmatrix is the largest and most complex application and runs on a wider range of platforms with more high-end features. Some of these features are not available in any of other programs.

You can activate fonts in tagged groups, view many sample texts in many languages, classify fonts using PANOSE, view and compare glyphs, find a font from a raster, extract fonts from PDF files, and test layouts in a free-form playground. (Review)


Font Manager allows you to easily manage fonts installed in your Linux system. You can preview and compare installed fonts, activate and de-activate installed fonts, install new fonts or remove existing fonts, group fonts into collections and export them to an archive for backup and sharing.


Best Free Grub Customizer for Linux

Grub Customizer , a graphical user interface to re-arrange, rename or hide boot menu entries, set a default operating system to boot on a multi-boot device, customize the appearance as well as adjust other settings of Grub (GRand Unified Bootloader).


Best Free Program Launcher for Linux

Launchy , a top product in the keyword search class, easy to understand, simple to configure, extend and use. It's open source and has a really small memory footprint. You can use it not only to launch applications, but also run your media player with a specific MP3 file, have your browser open on a specific bookmark and more. (Review)


GNOME Do , type and search the items on your computer or on the web and the program helps you perform the tasks directly and quickly with suggested actions to take. A large set of official and community plugins are available for making the program more powerful with even more task varieties.


Cairo-Dock , a pretty and light program allows you to launch your applications right away from the dock on your desktop, supporting useful features such as multi-docks, applets, themes and various settings to change the appearance and behavior of the program to your liking.


Best Free Screen Capture for Linux

ShutterShutter is like a swiss army knife for all screen capture tasks in Linux. It works better than Gnome-screenshot and KDE's KSnapshot.

You can use this program to capture desktop, window, child window and rectangular area, with many plugins for resize and special effects, delay capture, activate/deactivate window border and cursor, inbuilt drawing tools, linked to external editor and auto save. (Review)


Best Free Screen Session Recorder for Linux

recordMyDesktop , an easy-to-use and effective recorder to make screen recordings into free Ogg video format. It also offers the ability to record audio through ALSA mixer or other options. The frontend program gtk-recordMyDesktop and the ALSA mixer can be downloaded from some depositories including Ubuntu Software Center.


Best Free System Information Utility for Linux

I-Nex , similar to the application CPU-Z for Windows, gathers and displays information for hardware components on your system, including CPU, GPU, Motherboard, Audio, Drives, System, Linux Kernel, Memory, Network and USB devices plugged in. It also allows you to generate a report of the info and take a screenshot of the I-Nex window.


Best Free System Tools for Linux

PySDM , a Storage Device Manager allowing for full customization of hard disk mountpoints and creation of rules for dynamic configuration of storage devices. See also Auto Mount Drives at System Startup.


CCSM (CompizConfig Settings Manager) , a useful tool to configure the many plugins included in Compiz and Compiz Fusion for advanced desktop effects settings.


Best Free Wallpaper Changer for Linux

WallyWally , a good wallpaper changer allows for wallpaper positions to set to centered, tiled, center tiled, centered maxpert, tiled maxpert, scaled, center auto fit or scale and crop.

The program supports features such as time intervals, selecting images from local folders or online resources, displaying images' EXIF data in system tray tool-tip, saving downloaded photos and run-time folder change detection. (Review)


Variety is an open-source wallpaper changer packed with a variety of great features, such as automatically fetching wallpapers from your favorite folders or online sources, applying filters to the displayed wallpapers, matching wallpapers with color and size, showing random wise quotes and a configurable digital clock on the desktop. You can set Variety to change wallpaper on start or every fixed time interval.


DesktopNova , change your desktop wallpapers automatically based on a list of image files you've added, or even better, based on a list of folders and subfolders containing your favorite images. With this application, you can set wallpapers to change upon each login session or at every fixed time interval to your liking.


Webilder , rotate your wallpapers automatically from your collection at a time interval you set, and download new photos from Flickr or Webshots to your collection using tags or image type. Settings are available for different desktop environments such as GNOME3, GNOME, KDE and Xfce.


Best Free Windows API for Linux

Wine allows for running Windows applications on Linux and other operating systems, but without a copy of Windows. It's still under active development and not every program works yet.


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App Grid is an alternative to the Software Center:


"... rsnapshot makes it easy to make periodic snapshots of local machines, and remote machines over ssh ...":


Ampache - a web based audio/video streaming application and file manager allowing you to access your music&videos from anywhere, using almost any internet enabled device:

"... Mbox introduces a novel sandbox usage model; when executing a program in the sandbox, Mbox prevents programs from modifying the host filesystem while giving them the impression that they are in fact making those modifications ...":


"... LiteStore - a lightweight, self-contained, RESTful, multi-format NoSQL document store server ...":


"... saldl - a multi-platform command-line downloader optimized for speed and early preview ...":

FrostWire - YouTube downloader, BitTorrent client and media player:


SAWS - a Supercharged AWS CLI:


oVirt is a production-ready virtual machine manager for the datacenter that also provides an awesome KVM management interface for multi-node virtualization:


The Irrlicht Engine is a cross-platform high performance realtime 3D engine written in C++:



Stencyl starter is a game creation platform:


Twine is an open-source tool for telling interactive, nonlinear stories:


"... SwiperProxy - a lightning-fast, open source web proxy that is easy for you to run and customize ...:"


Mattermost is an open source, on-prem Slack-alternative:


"... ScyllaDB - world's fastest NoSQL column store database ...:"

"... Jaro Mail is an integrated suite of interoperable tools to manage e-mail communication in a private and efficient way, without relying too much on on-line services, in fact encouraging users to store their email locally ...":


"... Monkey X free is a next-generation games programming language that allows you to create apps on multiple platforms with the greatest of ease ...":

"... Apache Pig is a platform for analyzing large data sets that consists of a high-level language for expressing data analysis programs, coupled with infrastructure for evaluating these programs ...":


"... pigz, which stands for parallel implementation of gzip, is a fully functional replacement for gzip that exploits multiple processors and multiple cores to the hilt when compressing data ...":

Libgdx is a Java game development framework that provides a unified API that works across all supported platforms:

"... PostInstallerF will install all the software that Fedora doesn't include commonly, after running Fedora for the first time ...":

pev - the PE file analysis toolkit:


HaxeFlixel is a 2D Game framework that lets you create cross-platform games easier with free, open source technology:


Overlap2D is an open source game UI, level and content editor:


"... YARA is a tool aimed at (but not limited to) helping malware researchers to identify and classify malware samples. With YARA you can create descriptions of malware families (or whatever you want to describe) based on textual or binary patterns ...":


CMake is a family of tools designed to build, test and package software:


Rainbowstream - terminal-based Twitter client:


PMD is a source code analyzer. It finds common programming flaws like unused variables, empty catch blocks, unnecessary object creation, and so forth. It supports Java, JavaScript, XML, XSL:

"... Kite is a webmail designed to look a lot like gmail and to be easily deployable on a single server ...":


Lumail is a modern console-based email client:

tcpflow is a program that captures data transmitted as part of TCP connections (flows), and stores the data in a way that is convenient for protocol analysis and debugging:

Fervor - a graphical, modeless, cross-platform text editor:

"... DNSCrypt is a protocol that authenticates communications between a DNS client and a DNS resolver. It prevents DNS spoofing. It uses cryptographic signatures to verify that responses originate from the chosen DNS resolver and haven't been tampered with ...":

Spriter free:


JOSM is an extensible editor for ​OpenStreetMap:


easystroke is a gesture-recognition application:


"... Corebird is a modern, easy and fun Twitter client ...":


Galaxy Forces 2 - a 2D multiplayer space shooter game:

Endless Sky - a space exploration and combat game similar to Escape Velocity:


Viper is a binary management and analysis framework dedicated to malware and exploit researchers:


OpenVAS is a framework of several services and tools offering a comprehensive and powerful vulnerability scanning and vulnerability management solution:


Turbulenz is an HTML5 game engine and server-side APIs available in JavaScript and TypeScript for building and distributing 2D and 3D games that run on platforms that support HTML5 features such as modern browsers without the need for plugins:


Freeminer is a Minecraft-inspired sandbox game:


"... NASC ... Its an app where you do maths like a normal person. It lets you type whatever you want and smartly figures out what is math and spits out an answer on the right pane. Then you can plug those answers in to future equations and if that answer changes, so does the equations its used in ...":


Malheur is a tool for the automatic analysis of malware behavior (program behavior recorded from malicious software in a sandbox environment):


mitmproxy is a console tool that allows interactive examination and modification of HTTP traffic:


NetworkMiner Free is a Network Forensic Analysis Tool (NFAT). NetworkMiner can be used as a passive network sniffer/packet capturing tool in order to detect operating systems, sessions, hostnames, open ports etc. without putting any traffic on the network:


tcpdump - a powerful command-line packet analyzer:


"... Malcom is a tool designed to analyze a system's network communication using graphical representations of network traffic, and cross-reference them with known malware sources. This comes handy when analyzing how certain malware species try to communicate with the outside world ...":





OpenDungeons is an open source, real time strategy game sharing game elements with the Dungeon Keeper series and Evil Genius. Players build an underground dungeon which is inhabited by creatures. Players fight each other for control of the underground by indirectly commanding their creatures, directly casting spells in combat, and luring enemies into sinister traps:


Tahoe-LAFS is a Free and Open decentralized cloud storage system. It distributes your data across multiple servers. Even if some of the servers fail or are taken over by an attacker, the entire file store continues to function correctly, preserving your privacy and security:


Arx Libertatis is a cross-platform, open source port of Arx Fatalis:


ioquake3 is a free software first person shooter engine based on the Quake 3: Arena and Quake 3: Team Arena source code:



OpenAge - free clone of the Age of Empires II engine:

Sup is a console-based email client for people with a lot of email:



Eric is a full featured Python and Ruby editor and IDE:




ZinjaI is a free C/C++ IDE:


Pritunl free VPN server:


SoftEther VPN:




GitPrep - a GitHub clone:




Sensu Core is an open-source monitoring framework:


Cowrie is a medium interaction SSH honeypot designed to log brute force attacks and, most importantly, the entire shell interaction performed by the attacker:


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


Amanda Community Edition - open source backup and recovery software:


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


Prosody is a modern XMPP communication server:


"... 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 ...":


lighttpd - web server:


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:




Attic - a backup software:




Archipel is a solution to manage and supervise virtual machines:


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


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):


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

"... 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 ...":


strongSwan - IPsec-based VPN Solution:


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


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:


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


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:


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


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




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

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


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


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


Nota - free startegic game:


GlPortal is a puzzle game inspired by Valves Portal:


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


Tile racer:


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


Zaz - puzzle game:


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


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


Kobo Deluxe:

"... MistServer open source is high performing and efficient media server ...":

Light Table - code editor:


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


Geogebra is a multi-platform mathematics software:


OpenFX is an Open-Source 3D modeling, animation and rendering suite:

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:

"...Subuser turns a docker container into a normal program ...":

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

Encryptr - a free, open source password manager and e-wallet:


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