
xvc - An open source video codec, aiming to compete with h.265 and AV1.Xiph.Org rav1e - An AV1 codec written in Rust.While SVT-AV1 already performs very well in constrained quality mode and is economically usable for many scenarios, as of the time being commercial implementations like Aurora1 may still beat it.

SVT-AV1 is generally considered to be the most optimized and fastest free AV1 encoder, which is why it serves as the base for the development of new, free, general-purpose and production-ready implementations in the AOMedia Software Implementation Working Group. SVT-AV1 - An AV1 encoder originally developed by Intel and Netflix, which is available as FLOSS now.libvpx – VP8 and VP9 implementation formerly a proprietary codec developed by On2 Technologies, released by Google under a BSD-like license in May 2010.Xvid – MPEG-4 Part 2 codec, compatible with DivX.x265 – An encoder based on the High Efficiency Video Coding (HEVC/H.265) standard.OpenH264 – H.264 baseline profile encoding and decoding.

x264 is not a codec (en coder/ decoder) it is just an encoder (it cannot decode video).

x264 – H.264/MPEG-4 AVC implementation.
