Source Filmmaker

Source Filmmaker (SFM) is a free, professional-grade animation and filmmaking tool developed by Valve, allowing users to create animated videos using assets from popular Source engine games like Half-Life and Portal. It combines 3D modeling, animation, and editing features within a user-friendly interface, enabling creators to craft cinematic scenes, explore character movements, and produce high-quality videos. SFM is popular among gamers, fans, and content creators for its versatility in storytelling and entertainment, offering powerful controls while maintaining accessibility for users with various skill levels.