Cross-platform command-line AV1 / VP9 / HEVC / H264 encoding framework ...
FastFlix is a free GUI for HEVC and AV1 encoding, GIF/WebP/AVIF creation...
GUI for AV1 (aomenc, rav1e & svt-av1)
AV1/HEVC/VP9/H264 parallel encoder GUI for FFmpeg with preview/comparison
GUI for SVT-AV1
Linux GUI for AV1 Encoders