The tldr project is a collection of community-maintained help pages for command-line tools that aims to be a simpler, more approachable complement to traditional man pages.
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Linux for Starters: Your Guide to Linux – Get Started with the Terminal – Part 9
What’s a shell? What’s a terminal? The shell is a program that takes commands from the keyboard and gives them to the operating system to perform.
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12 Strong Free and Open Source Chess Engines
Computer chess has been a phenomenal success, aiding chess analysis, and allowing players to play when no human opponents are available.
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Haruna – video player using libmpv
Haruna is a modern-looking QML-based front-end to mpv. Here’s our review. Haruna is free and open source software.
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vizex – visualize disk space and disk usage
vizex is a command line interface program that shows how much free disk space you have. vizex is free and open source software.
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Linux for Starters: Your Guide to Linux – Open Source Replacements for Proprietary Windows Desktop Software – Part 8
We consider popular Windows proprietary software and recommend great open source replacements that run under Linux.
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Excellent Free Books to Learn PostScript
PostScript is an interpreted, stack-based language similar to Forth but with strong dynamic typing, data structures inspired by those found in Lisp, scoped memory and garbage collection.
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Best Free Alternatives to YouTube
YouTube has over 2 billion monthly logged-in users with people watching over a billion hours of video a day. What open source alternatives are available?
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10 Best Free Linux Chess Apps (Updated 2021)
Linux chess software generally is separated into a “front end” application and a “chess engine”. There is a wide range of chess-playing software for Linux which can defeat most master players under tournament conditions.
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Lucas Chess – play and train chess
Lucas Chess is a chess GUI. It lets you play against lots of chess engines and train to improve your game.
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