Open Peeps - A hand-drawn illustration library.
Bashupload - Upload files from command line to share between servers
Control Illustrations - 108 free flat illustrations with customizable characters
FilePizza - Open source application used to transfer file via WebRTC and WebTorrent.
DrawKit - MIT licensed SVG illustrations, in 2 styles
BlackHole File Transfer - Blockchain-based file transfer. Designed for everyday use.