Av1an
Cross-platform command-line AV1 / VP9 / HEVC / H264 encoding framework
...The tool is optimized for high-quality encoding while reducing total processing time through multi-core and multi-machine support. It includes scene detection and chunking strategies to improve compression efficiency and visual consistency across segments. Av1an also supports advanced encoding options, allowing users to fine-tune bitrate, quality, and performance settings. It integrates with VapourSynth for preprocessing and filtering, enabling more control over input video quality. Overall, it is widely used by enthusiasts and professionals seeking efficient AV1 encoding workflows.