Blacksky

Blacksky is an open source digital public infrastructure project for building decentralized social media platforms, developed and maintained by Blacksky Algorithms. The project provides curated feeds and moderation tools to support Black social media users, many of whom previously used Black Twitter.
Blacksky runs an alternative implementation of the AT Protocol using a self-built stack in the Rust programming language named "rsky", and is independent from the infrastructure run by Bluesky or any other hosts on the protocol's network. Technologist Rudy Fraser started the project in 2021 and launched it in 2023. As of 2024, it was operated by a team of six moderators.