Open Source Video Software

Media Player Classic - BE is a free and open source audio and video player for Windows. Media Player Classic - BE is based on the original "Media Player Classic" project (Gabest) and "Media Player Classic Home Cinema" project (Casimir666), contains additional features and bug fixes.

Media Player Classic Home Cinema (MPC-HC) is an extremely light-weight, open source media player for Windows®. Media Player Classic Home Cinema supports all common video and audio file formats available for playback. Based on the original Guliverkli project, Media Player Classic Home Cinema contains a lot of additional features and bug fixes. Plus Media Player Classic Home Cinema is 100% spyware free, there are no advertisements or toolbars. We care about keeping an open project, open and free for contributions wherever they may come from.

Free FPS is an open‑source desktop app and scripts to change a video file frame rate (FPS) using FFmpeg. Unlike video editors, it does not add effects or alter content - it only adjusts playback speed and, if needed, re-encodes audio as well. Useful if you work with multiple videos shot at different frame rates that cannot be combined or edited without interpolation or frame loss. Also doubles as a fast video compressor: keep the original FPS and raise compression (e.g., higher CRF or lower bitrate) to reduce file size. What it does: Changes video FPS via FFmpeg. Keeps or re‑encodes audio if requested. No effects, no content edits. Writes results to a separate output folder by default. Also doubles as a fast video compressor: keep the original FPS and raise compression (e.g., higher CRF or lower bitrate) to reduce file size. Important: The program is intended for users who understand what FPS conversion does. Changing the frame rate affects the speed and duration of the video

MPUI is an easy-to-use Windows frontend for MPlayer.

CocoAPlayer is a free and open source cross-platform multimedia player and framework that plays most multimedia files as well as DVD, Audio CD, VCD, and various streaming protocols.