Free and Open Source Software

posted by Rianne Schestowitz on Dec 03, 2025

• Lotion - unofficial Notion.so desktop application for Linux - LinuxLinks

  Lotion is an unofficial Electron-based desktop application that brings Notion.so to Linux.

  Notion is a single space where you can think, write and plan. Capture thoughts, manage projects, or even run an entire company – and do it exactly the way you want.

  Lotion is free and open source software.

• Quart - async Python web application framework - LinuxLinks

  Quart is an async Python web application framework. Using Quart you can,

  render and serve HTML templates, write (RESTful) JSON APIs, serve WebSockets, stream request and response data, do pretty much anything over the HTTP or WebSocket protocols.

  This is free and open source software.

• oxDNA - DNA/RNA simulator with CUDA support - LinuxLinks

  The package also includes the oxpy Python module, which makes it possible to control the behavior of the simulation using Python scripts. The repository contains examples that demonstrate how to leverage oxpy to write backends to run replica-exchange and well-tempered metadynamics simulations, which are popular techniques in modern molecular dynamics to improve sampling efficiency.

  This is free and open source software.

• hypr-cycle - cycle through workspaces on the currently focused monitor in Hyprland - LinuxLinks

  hypr-cycle is a fast, minimal Rust utility to cycle through workspaces on the currently focused monitor in Hyprland. Unlike hyprctl dispatch workspace e+1, this tool avoids switching workspaces on the wrong monitor in multi-monitor setups.

  Hyprland is a dynamic tiling Wayland compositor that doesn’t sacrifice on its looks.

  This is free and open source software.

• InstantCLI - consolidating lots of instantOS stuff into a single CLI - LinuxLinks

  InstantCLI is a powerful, Rust-based command-line tool for managing dotfiles, game saves, system diagnostics, and instantOS configurations.

  InstantCLI provides a decentralized approach to dotfile management that respects user modifications while enabling easy theme and configuration switching.

  This is free and open source software.

• CodeContexter - simple codebase serializer for LLM Context Windows - LinuxLinks

  It is designed specifically for providing context to Large Language Models (LLMs) like ChatGPT, Claude, and GitHub Copilot without manual copy-pasting.

  CodeContexter:

  Walks your directory (respecting .gitignore). Generates a visual tree of your project structure. Aggregates file contents into a single formatted output. Redacts secrets automatically to keep your keys safe.

  This is free and open source software.

• MarkFlowy - modern and intelligent Markdown editor - LinuxLinks

  MarkFlowy is billed as a modern and intelligent Markdown editor.

  This is free and open source software.

• Crush - terminal-based AI assistant - LinuxLinks

  Crush is a powerful terminal-based AI assistant that helps with software development tasks.

  It provides an interactive chat interface with AI capabilities, code analysis, and LSP integration to assist developers in writing, debugging, and understanding code directly from the terminal.

  This is free and open source software.

• Tinct - extracts color palettes from images - LinuxLinks

  Tinct is a modern, extensible CLI tool that extracts color palettes from images and generates configuration files for your favorite applications.

  Extract vibrant color schemes from wallpapers and apply them system-wide to terminal emulators, window managers, application launchers, and more.

  This is free and open source software.

• t-rec - fast terminal recorder - LinuxLinks

  t-rec is a blazingly fast terminal recorder that generates animated GIF images for the web.

  This is free and open source software.

• 86Box - low level x86 emulator - LinuxLinks

  86Box is a low level x86 emulator that runs older operating systems and software designed for IBM PC systems and compatibles from 1981 through fairly recent system designs based on the PCI bus.

  Minimum system requirements and recommendations:

  Intel Core 2 or AMD Athlon 64 processor or newer At least 4 GB of RAM or higher Windows version: Windows 7 Service Pack 1 or later macOS version: macOS 10.13 High Sierra or newer Linux version: Ubuntu 16.04, Debian 9.0 or other distributions from 2016 onwards

  This is free and open source software.

• Wealthfolio - desktop investment tracker - LinuxLinks

  Wealthfolio is a beautiful and boring investment Tracker, with local data storage. No subscriptions, no cloud.

  This is free and open source software.

• regname - mass renamer TUI - LinuxLinks

  regname is a mass renamer utility with a text user-interface.

  This is free and open source software.

• tdf - TUI-based PDF viewer - LinuxLinks

  tdf is a terminal-based PDF viewer.

  Designed to be performant, very responsive, and work well with even very large PDFs. It’s built with ratatui.

  This is free and open source software.

• Minisforum UM890 Pro Mini PC Running Linux: cTDP - LinuxLinks

  This is a new series looking at the Minisforum UM890 Pro Mini PC running Linux. In this series, I examine every aspect of this Mini PC in detail from a Linux perspective.

  The Minisforum UM890 Pro is a powerful mini PC based on an AMD Ryzen 9 8945HS with integrated Radeon 780M. The AMD Ryzen 9 8945HS has a CPU Mark of 29617 and the Radeon 780M has a G3D Mark of 6915.

• Folo - AI-powered news aggregator - LinuxLinks

  Folo organizes content into one timeline, keeping you updated on what matters, noise free.

  This is free and open source software.