Best Free Software for Linux

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This list of Best Free Software for Linux now includes 151 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.

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"... libguestfs is a set of tools for accessing and modifying virtual machine (VM) disk images. You can use this for viewing and editing files inside guests, scripting changes to VMs, monitoring disk used/free statistics, creating guests, P2V, V2V, performing backups, cloning VMs, building VMs, formatting disks, resizing disks, and much more ... libguestfs can access almost any disk image imaginable. It can do it securely — without needing root and with multiple layers of defence against rogue disk images. It can access disk images on remote machines or on CDs/USB sticks. It can access proprietary systems like VMware and Hyper-V ...": http://libguestfs.org/
"... Pygments - a generic syntax highlighter suitable for use in code hosting, forums, wikis or other applications that need to prettify source code ...": http://pygments.org/
"... Naut - Is there life on Mars? Wander around, drive through the desert, hear what the cosmos has to tell you ...": http://evilion.itch.io/naut
Rage is a video and audio player written with Enlightenment Foundation Libraries with some extra bells and whistles: https://www.enlightenment.org/p.php?p=about/rage Navi-X is a "content aggregator" app that streams multimedia content on the internet from a public directory of user contributed links and site scrapers on to your TV, PC and mobile devices: https://code.google.com/p/navi-x/ wtftw - a tiling window manager written in Rust: https://github.com/Kintaro/wtftw UNTV is a cross platform DRM-free media platform for home theater computers: https://github.com/untv/untv Showtime is a media center primarily intended to be used directly on a TV: https://showtimemediacenter.com/projects/showtime KShutdown is a graphical shutdown utility: http://kshutdown.sourceforge.net/ Dolphin Folder Color - extension for Dolphin file manager that lets you change the coloring of your folders: http://kde-apps.org/content/show.php/Dolphin+Folder+Color?content=164008 Whisker Menu is an alternate application launcher for Xfce: http://gottcode.org/xfce4-whiskermenu-plugin/ QMPlay2 Media Player: http://sourceforge.net/projects/zaps166/ budgie - a GNOME3.10 media player written in C: http://ikeydoherty.github.io/budgie/ Fresh Pepper Player is a a wrapper package which uses Google Chrome’s Pepper-based Flash plugin in Mozilla Firefox: https://github.com/i-rinat/freshplayerplugin freetuxtv - the goal of this project is to create a WebTV player, working on the Linux platform: https://code.google.com/p/freetuxtv/wiki/HomePage?wl=en ScriptCommunicator - send and receive data with several interfaces: http://sourceforge.net/projects/scriptcommunicator

I have used several serial terminals before. But ScriptCommunicator is the best I've ever used. Because of it's script interface it's extremly flexible and powerful.

"... I-Nex is an application that gathers information for hardware components available on your system and displays it using an user interface similar to the popular Windows tool CPU-Z ...:" http://i-nex.linux.pl/about/ http://i-nex.linux.pl/install/

i-nex gives an impressive amount of hardware information displayed in an easy to read format.
I couldn't install the stable version on Mint 17.1 because of dependencies, but the daily version installed and ran well.

Thanks Panzer for the various suggestions. I-Nex has now been added to the list.
"... Drake is a simple-to-use, extensible, text-based data workflow tool that organizes command execution around data and its dependencies ...": https://github.com/Factual/drake blessed-contrib - build dashboards (or any other application) using ascii/ansi art and javascript: https://github.com/yaronn/blessed-contrib
"... bomi is a multimedia player formerly known as CMPlayer, which is aimed for easy usage but also provides various powerful features and convenience functions ...:" http://bomi-player.github.io/
CCExtractor - a tool that analyzes video files and produces independent subtitle files from the closed captions data: http://ccextractor.sourceforge.net/about-ccextractor.html
"... Textadept - a fast, minimalist, and remarkably extensible cross-platform text editor ...": http://foicica.com/textadept/ DavMail is a POP/IMAP/SMTP/Caldav/Carddav/LDAP gateway allowing users to use any mail client with Exchange, even from the internet through Outlook Web Access on any platform: http://davmail.sourceforge.net/ "... ArgyllCMS is an ICC compatible color management system, available as Open Source. It supports accurate ICC profile creation for scanners, cameras and film recorders, and calibration and profiling of displays and RGB&CMYK printers ...:" http://argyllcms.com/ dispcalGUI is a graphical user interface developed for the display calibration and profiling tools of Argyll CMS: http://dispcalgui.hoech.net/
Tried Textadept. It lacks some good features of Bluefish Editor though.
Bangarang Player: http://linux.softpedia.com/get/Multimedia/Audio/Bangarang-52125.shtml Trojitá - a Qt IMAP e-mail client: http://sourceforge.net/projects/trojita/ Curlew is an open source graphical application built around the well known FFmpeg/avconv and Mencoder command-line video/audio conversion utilities to provide users with an easy-to-use video conversion tool: http://linux.softpedia.com/get/Multimedia/Video/Curlew-95832.shtml
OmegaT is a free and open source multiplatform Computer Assisted Translation tool with fuzzy matching, translation memory, keyword search, glossaries, and translation leveraging into updated projects: http://sourceforge.net/projects/omegat/ 2... Skrooge allows you to manage your personal finances, powered by KDE 4.x. Thanks to its many features, it is one of the most powerful way to enter, follow, and analyze your expenses... :" http://skrooge.org/
"... Baka MPlayer is a free and open source, cross-platform, libmpv based multimedia player. Its simple design reflects the idea for an uncluttered, simple, and enjoyable environment for watching tv shows ...:" http://bakamplayer.u8sand.net/ Quanta Plus: http://kde-apps.org/content/show.php?content=10135 DockbarX: https://launchpad.net/dockbar
"... Rendera is an open-source painting package. It is useful for useful for photo-retouching, seamless tile production, and other painting tasks ...": http://sourceforge.net/projects/rendera/
PyGTK lets you to easily create programs with a graphical user interface using the Python programming language: http://www.pygtk.org/ nvpy is a simplenote-syncing note-taking tool: https://github.com/cpbotha/nvpy
Qtractor is an Audio/MIDI multi-track sequencer application written in C++ around the Qt4 toolkit: http://sourceforge.net/projects/qtractor/ EiskaltDC++ is a cross-platform program that uses the Direct Connect and ADC protocols: https://code.google.com/p/eiskaltdc/ "... bpython is a fancy interface to the Python interpreter ...": http://www.bpython-interpreter.org/ "... TuxGuitar is a multitrack guitar tablature editor and player written in Java-SWT, It can open GuitarPro, PowerTab and TablEdit files ...:" http://sourceforge.net/projects/tuxguitar/
"... Strife is a competitive online game that features non-stop action and thrilling combat. Take control of powerful and versatile heroes, each capable of dominating in unique ways, and exert your will in an epic battle between two teams ...": https://strife.com/getting-started https://strife.com/download Acme is a programmer's text editor, shell, and user interface: https://code.google.com/p/acme-sac/
Drukkar is a small blogging software program and CMS: http://drukkar.sourceforge.net/ http://sourceforge.net/projects/drukkar/ rCSSmin is a CSS minifier written in python: http://opensource.perlig.de/rcssmin/ gipfel helps to find the names of mountains or points of interest on a picture: http://www.ecademix.com/JohannesHofmann/gipfel.html flpsed is a WYSIWYG PostScript annotator: http://www.flpsed.org/flpsed.html "... NightmareTris is a Tetris-like game with a particular feature: it always tries to choose the worst-fitting tetromino to make it as annoying to play as possible ...": https://github.com/giacomodrago/nightmaretris "... Zatacka X is a modern, free remake of the classic Achtung, die Kurve!. In addition to all the features from the original game, Zatacka X includes special weapons, updated graphics, sound effects and AI controlled opponents ...": https://github.com/simenheg/zatackax

Variety wallpaper changer has been updated to 0.5.0 beta (works pretty good though). It has a ton of features, but the new version features collaboration between users at https://vrty.org/ . I haven't figured out how that's supposed to work, though. There doesn't seem to be a lot of "variety" among the wallpapers so far. I guess I'm a different kind of geek.

Buoh is a reader for online strips comics: http://buoh.steve-o.org/
CmdLauncher - aimed at helping people use command line tools in a GUI way: http://www.topbug.net/cmdlauncher/
"... Lost Constellation is a Longest Night ghost story. Travel into the frozen woods in a folktale from the world of Night In The Woods ...": http://finji.itch.io/lost-constellation
dex is a small and easy to use text editor: https://github.com/tihirvon/dex

LIOS (Linux Intelligent OCR Solution) is a one-stop OCR solution. It interfaces with a scanner, camera, PDF or image file, runs an OCR using the Tesseract or Cuneiform OCR engines, and saves the text in multiple formats, including reading it aloud in a robot voice. It sounded good, and there's a .deb package (there's also rpm packages), so I installed easily it in my Mint 17.1 by clicking on the downloaded package.

The OCR engine worked fine on whatever I threw at it with few errors, except for a 30 year old dot matrix print. Unfortunately, the program itself tends to be a "work in progress"; I haven't been able to export to PDF or text, except by highlighting text and cut-and-paste. Some of the other buttons will simply crash it.

The version I tried, 1.9.2, was released December 8, 2014, and version 2 will be releaased "soon", so this bears watching because it shows promise.

https://code.google.com/p/linux-intelligent-ocr-solution/

"... Rust is a systems programming language that runs blazingly fast, prevents almost all crashes*, and eliminates data races ...": http://www.rust-lang.org/ http://www.rust-lang.org/install.html KeePassC is a curses-based password manager compatible to KeePass v.1.x and KeePassX: http://raymontag.github.io/keepassc/

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