PixelFed - PixelFed is a federated image sharing platform, powered by the ActivityPub protocol.
4K Stogram - Free Instagram Downloader for macOS, PC and Linux. Search, download or backup Instagram photos shared by any user. Follow your favorite photographers and stay tuned!
Gab - Gab is an ad-free social network dedicated to free speech.
Ramme - The Unofficial Open Source Instagram Desktop App
Friendica - Decentralisation - Privacy - Interoperability
Vurku - Download Instagram posts by username or hashtag