Free and Open Source Software

posted by Rianne Schestowitz on Dec 30, 2025

• fileformat -tool for recognizing file formats - LinuxLinks

  fileformat is a tool for detecting and identifying file formats.

  This is free and open source software.

• Sidef - high-level programming language - LinuxLinks

  Sidef is a modern, high-level programming language designed for versatile general-purpose applications, drawing inspiration from the principles of Ruby, Raku, and Julia.

  This is free and open source software.

• subfinder - subdomain discovery tool - LinuxLinks

  subfinder is a subdomain discovery tool that returns valid subdomains for websites, using passive online sources. It has a simple, modular architecture and is optimized for speed. subfinder is built for doing one thing only – passive subdomain enumeration, and it does that very well.

  This is free and open source software.

• snitch - friendlier ss / netstat tool - LinuxLinks

  snitch is a friendlier ss / netstat for humans. It lets you inspect network connections with a clean TUI or styled tables.

  It has a focus on a clear usage API and a solid testing strategy.

  This is free and open source software.

• iloader - user friendly sideloader - LinuxLinks

  iloader lets you install SideStore (or other apps) and import your pairing file with ease.

  This is free and open source software.

• yatto - interactive VCS-based todo-list - LinuxLinks

  yatto is a terminal-first to-do application that stores each task as a plain JSON file and manages your task directory as a Git or Jujutsu repository.

  Every change is versioned. Collaboration and sync come for free. Your tasks remain transparent, portable, and fully under your control.

  This is free and open source software.

• Chatty - Twitch chat client - LinuxLinks

  Chatty is a Twitch Chat Client for Desktop written in Java featuring many Twitch specific features.

  This is free and open source software.