Free and Open Source Software

posted by Rianne Schestowitz on Aug 13, 2026

• MicroEmacs - compact Emacs-like text editor

  MicroEmacs is a compact Emacs-like text editor suitable for experienced programmers and beginners.

  It provides terminal and graphical editions with the same features and menu system. Despite its small footprint, the editor offers extensive customization, project sessions, syntax highlighting and an integrated hypertext help system.

  This is free and open source software.

• edmv - bulk rename files

  edmv is a command-line utility that lets you bulk rename files using your preferred text editor.

  This is free and open source software.

• Jasspa MicroEmacs - compact Emacs-like text editor

  Jasspa MicroEmacs is a compact Emacs-like text editor suitable for experienced programmers and beginners.

  It provides terminal and graphical editions with the same features and menu system. Despite its small footprint, the editor offers extensive customization, project sessions, syntax highlighting and an integrated hypertext help system.

  This is free and open source software.

• LMS - lightweight, self-hosted music streaming server

  LMS is a lightweight, self-hosted music streaming server that lets you access and play your music collection through a web interface.

  The software offers extensive metadata support and multiple ways to browse and discover music. It also implements the Subsonic and OpenSubsonic APIs, allowing compatible desktop and mobile clients to connect to the server.

  This is free and open source software.

• owo-colors - zero-allocation Rust library

  owo-colors is a zero-allocation Rust library for adding colours and text styling to terminal output. It is compatible with no_std environments and imposes no dependencies by default.

  The library supports standard ANSI colours, 256-colour terminals and RGB true colour. Colours can be selected at compile time through generic types or dynamically at runtime.

  This is free and open source software.

• Bullframe CSS - lightweight Sass framework

  Bullframe CSS is a lightweight Sass framework for building responsive, accessible user interfaces. It provides semantic styling, utility classes and classless builds while remaining independent of JavaScript frameworks.

  The framework is suitable for landing pages, blogs, documentation, product listings and other websites. It includes precompiled light, dark and system-default themes.

  This is free and open source software.

• Losty - functional-style web framework for OpenResty

  Losty is a functional-style web framework for OpenResty with minimal dependencies.

  This is free and open source software.

• pipe-rename - command-line batch renamer

  pipe-rename is a command-line batch renamer that lets you edit filenames using your preferred text editor.

  This is free and open source software.

• Mainsail - web interface for managing 3D printers

  Mainsail is a lightweight and responsive web interface for managing 3D printers running Klipper firmware.

  It provides an intuitive browser-based environment for controlling printers, monitoring jobs, editing configuration files, and managing G-code files through the Moonraker API.

  This is free and open source software.