Free and Open Source Software

posted by Rianne Schestowitz on Dec 10, 2025

• yarp - yet another registry parser - LinuxLinks

  yarp is yet another registry parser.

  The goals of the project are:

  Parse Windows registry files in a proper way (with forensics in mind). Expose values of all fields of underlying registry structures. Support for truncated registry files and registry fragments. Support for recovering deleted keys and values. Support for carving of registry hives. Support for transaction log files.

  This is free and open source software.

• Citron - Nintendo homebrew emulator - LinuxLinks

  Citron is cutting-edge Nintendo Homebrew emulator designed to deliver an optimized experience for playing your favorite games and exploring new ones. Citron is a high-performance and easy-to-use emulator, tailored for enthusiasts and developers alike.

  This is free and open source software.

• CSScomb - coding style formatter for CSS - LinuxLinks

  CSScomb is a coding style formatter for CSS. You can easily write your own configuration to make your style sheets beautiful and consistent.

  The main feature is sorting properties in a specific order.

  This is free and open source software.

• mgrep - semantically grep everything - LinuxLinks

  mgrep is a calm, CLI-native way to semantically grep everything, like code, images, pdfs and more.

  mgrep is powered by Mixedbread Search, a full-featured search solution. It combines state-of-the-art semantic retrieval models with context-aware parsing and optimized inference methods to provide you with a natural language companion to grep.

  This is free and open source software.

• clipbox - clipboard manager for Wayland - LinuxLinks

  clipbox is a powerful clipboard manager for Wayland with rofi integration, featuring multiple buffers, pinning, image preview, and password masking.

  This is free and open source software.

• Regex TUI - test and visualize regular expressions in real-time - LinuxLinks

  Regex TUI is a terminal user interface (TUI) application for testing and visualizing regular expressions in real-time.

  This is free and open source software.

• NATMap - TCP/UDP port mapping for full-cone NAT - LinuxLinks

  NATMap is used to establish a TCP/UDP port mapping from an ISP NAT public address to local private address.

  If all layers of NAT are full cones (NAT-1), any host can access internal services through the mapped public address. In bind mode, all traffic does not go through this program.

  This is free and open source software.

• kapp - simple deployment tool - LinuxLinks

  kapp CLI encourages Kubernetes users to manage resources in bulk by working with “Kubernetes applications” (sets of resources with the same label).

  It focuses on resource diffing, labeling, deployment and deletion. Unlike tools like Helm, kapp considers YAML templating and management of packages outside of its scope, though it works great with tools that generate Kubernetes configuration.

  This is free and open source software.

• Mint - programming language for the front-end web - LinuxLinks

  Mint is a programming language for writing single page applications.

  Mint has all the tools you need to write error free, easily readable and maintainable applications in record time.

  This is free and open source software.

• kcaldav - simple, safe, and minimal CalDAV server - LinuxLinks

  kcaldav is a CGI program that minimally implements CalDAV. It interfaces with a calendar database /caldav/kcaldav.db (in the web server’s file-system root) administered by kcaldav.passwd.

  caldav is designed for simple setups, like sharing a calendar collection between Mozilla Lightning, Mac OS X iCal, DAVdroid forks, and iOS (iPhone) clients. It compiles and runs on OpenBSD, Linux, NetBSD, FreeBSD, Mac OS X, Solaris, and OmniOS.

  This is free and open source software.

• Fortress - file explorer with git niceties - LinuxLinks

  Fortress is a command-line file explorer written in modern Fortran with fzf integration and git binds for fast staging and committing.

  Shell integration is automatically set up for bash and fish.

  This is free and open source software.

• MangoWC - Wayland compositor - LinuxLinks

  MangoWC is as lightweight as dwl, and can be built completely within a few seconds. Despite this, Mango does not compromise on functionality.

  This is free and open source software.

• prmt - ultra-fast, customizable shell prompt generator - LinuxLinks

  prmt is billed as an ultra-fast, customizable shell prompt that won’t slow you down.

  Just install and go. No configuration files required unless you want them.

  This is free and open source software.