The 10 coolest open-source software tools in 2024 include tools for developing AI applications and managing large volumes of data.

Open-source might not be the first thing you think of with Windows, but these free tools can seriously boost your productivity.

The 10 coolest open-source software tools in 2025 (so far) include software for developing AI agentic applications, querying data across distributed sources, and building 3D animations.