InstaBro - Powerful-yet-simple Instagram browser and data exporter
PixelFed - PixelFed is a federated image sharing platform, powered by the ActivityPub protocol.
vu - Dead simple Instagram client for Mac
Gab - Gab is an ad-free social network dedicated to free speech.
Pixotale - Create and share visual stories
Friendica - Decentralisation - Privacy - Interoperability