Free and Open Source Software

posted by Rianne Schestowitz on Dec 29, 2025

• google-java-format - reformats Java source code - LinuxLinks

  google-java-format is a program that reformats Java source code to comply with Google Java Style.

  This is free and open source software.

• Kyanos - networking analysis tool using eBPF - LinuxLinks

  Kyanos is an eBPF-based network issue analysis tool that enables you to capture network requests, such as HTTP, Redis, and MySQL requests.

  It also helps you analyze abnormal network issues and quickly troubleshooting without the complex steps of packet capturing, downloading, and analysis.

  This is free and open source software.

• Bongo Cat Wayland Overlay - animated bongo cat reacting to your keyboard input - LinuxLinks

  Bongo Cat Wayland Overlay is a cute Wayland overlay that shows an animated bongo cat reacting to your keyboard input.

  This is free and open source software.

• Regal - linter, debugger and language server for Rego - LinuxLinks

  Regal is a linter, debugger and language server for Rego, making your Rego magnificent, and you the ruler of rules!

  With its extensive set of linter rules, documentation and editor integrations, Regal is the perfect companion for policy development, whether you’re an experienced Rego developer or just starting out.

  It runs under Linux and MacOS. It’s free and open source software.

• why2 - easy to use encryption system - LinuxLinks

  why2 is billed as a lightweight, fast, secure, and easy to use encryption system.

  The WHY2 encryption algorithm is loosely inspired by AES, but with a twist. Instead of relying on S-boxes, WHY2 uses a nonlinear ARX-style transformation (Addition, Rotation, XOR) for symmetric diffusion.

  This is free and open source software.

• detekt - static code analysis for Kotlin - LinuxLinks

  detekt is a static code analyzer for Kotlin.

  This is free and open source software.

• ufo - universal file opener - LinuxLinks

  ufo is a universal file opener, an alternative instrument for opening files from a command line.

  This is free and open source software.

• fht-compositor - dynamic tiling Wayland compositor - LinuxLinks

  Each output gets assigned 9 independent workspaces, each one holding windows that get automatically arranged on the screen space using layouts, minimizing lost screen real estate, and providing a keyboard-focused workflow

  In addition, the compositor also provides some nice-to-have features that elevate the experience from a visual and practical standpoint, see features for more information.

  This is free and open source software.

• syca - minimal sudo-like privilege elevation tool - LinuxLinks

  syca is a minimal sudo-like privilege elevation tool for Linux with PAM authentication and system-wide secure password caching.

  syca acts as a clean, lightweight alternative to sudo/doas while keeping strict security boundaries. Authentication is performed via PAM, and a secure C setuid helper executes privileged commands safely.

  This is free and open source software.

• ripunzip - unzip an archive in parallel - LinuxLinks

  ripunzip is a tool to unzip files in parallel.

  This is a Rust library (and command-line tool) which uses the power of Rust’s rayon library to unzip a zip file in parallel. If you’re fetching the zip file from a URI, it may also be able to start unzipping in parallel with the download.

  This is free and open source software.