The Android-Video-Trimmer project implements the selection of clips for long and short videos. It uses MediaMetadataRetriever to obtain video frames, and uses ffmpeg for video cropping and video compression.

ios video editor sdk .include functions: cut, crop picture in picture; Animation, Filter, Effect, Transition, audioLayer , videoLayer, stick, add logo, delogo, overlay, video composition, gif layer scale, move, rotate, opacity, like tiktok video editor. key-frame-animation

swif版微信视屏裁剪，类似微信朋友圈视频裁剪方式的视频裁剪工具(video croping)

jib-FFmpeg is an open source application that provides some features of the multimedia tool FFmpeg via a graphical user interface.

his GUI provides a tool to crop video in a specified directory to different resolutions. Choose from 22 resolutions in 3 different aspect ratios: 16:9. 4:3 or 1:1. Once all cropped region are defined, export the new clips with 'Export crops'.