Cobalt
Language: Nodejs
Cobalt is a tool that makes downloading public content easier. it takes zero liability. the end user is responsible for what they download, how they use and distribute that content. cobalt never caches any content, it works like a fancy proxy.
Instagrapi
Language: Python
Complete Instagram Private API for Python 3.7+ with no dependencies.
Hitomi-Downloader
Language: Python
Desktop utility to download images/videos/music/text from various websites, and more.