ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Bashupload - Upload files from command line to share between servers
Batch Image Resizer - Resize, crop, shrink, flip, exif-rotate, convert, enhance, process multiple pictures and photos with professional software! 120+ Actions, 30+ Image Formats
BlackHole File Transfer - Blockchain-based file transfer. Designed for everyday use.
Ralpha Image Resizer - High-speed image batch conversion tool
FilePizza - Open source application used to transfer file via WebRTC and WebTorrent.