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Best Free and Open Source Software
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Best Free and Open Source Software: April 2026 Updates - LinuxLinks
Here’s the latest from our carefully curated software recommendations. This month, we’ve published more than 100 new and updated roundups, helping you discover standout tools across the open-source ecosystem. And there’s plenty more to explore, with our site also packed with insightful hardware coverage.
We’re committed to championing free and open-source software, spotlighting the finest projects the community has to offer.
ROS 2 - software framework for building robot applications - LinuxLinks
ROS 2 is a software framework for building robot applications, offering libraries, tools, and core infrastructure for everything from research prototypes to production systems.
The ros2/ros2 repository acts as the umbrella entry point for the platform, pulling together a large collection of core ROS 2 repositories and packages used to build the wider ecosystem. It’s designed to provide a standard robotics software platform with support for modern middleware, developer tooling, and multiple release distributions.
This is free and open source software.
Merkaartor - OpenStreetMap mapping program - LinuxLinks
Merkaartor is a native desktop editor for OpenStreetMap written in C++ and Qt.
This is free and open source software.
SkyMPC - simple MPD client - LinuxLinks
SkyMPC is a Qt-based client for MPD (Music Player Daemon) with a deliberately simple design.
Rather than aiming to be a feature-heavy music manager, it focuses on the essentials: browsing your library, building and editing playlists, and controlling playback. It presents music using the folder structure stored on disk in a tree view, which makes it a good fit for collections already organised by artist and album.
This is free and open source software.