Voukoder - Use the best encoders available in Adobe Premiere CC!
FFmpeg - Open source multimedia suite for conversion, playback, profiling, and streaming.
3ivx - 3ivx is a video codec suite, created by 3ivx Technologies
Adobe Media Encoder CC - Create optimized video for any screen size and resolution with Adobe Media Encoder. Available only in Adobe Creative Cloud.
gstreamer - GStreamer is a library for constructing graphs of media-handling components. The applications it supports range from simple Ogg/Vorbis playback, audio/video streaming to complex audio (mixing) and video (non-linear editing) processing.
Video Transcoder - Video Transcoder is an application which uses the open source program ffmpeg to transcode video files from one format to another. By selecting the video to process, details for the video are provided and the desired settings can be configured.