BlueSky
Decentralized ApplicationsDecentralized microblogging social app built on the AT Protocol; users share posts, images and videos across a composable, algorithm-choice feed ecosystem
Federated Company Medium capture risk
Links
Details
License MIT / Permissive
Dev Status Released
Owner Bluesky Social PBC (Jay Graber, CEO); board includes Jeremie Miller, Mike Masnick, Kinjal Shah (Blockchain Capital)
Country USA
Start Year 2019
Stack TypeScript, React Native, Go
Funding VC
Last Investigated Mar 10, 2026
Decentralized Application Attributes
Use Case Category Social Network
User Interface Type Timeline/Feed with custom algorithmic feeds, Starter Packs, Trending Topics
Offline Capabilities Read-only offline
Collaboration Features N/A
Data Portability Full export (AT Protocol ensures account portability; data stored in user-controlled PDS repos)
Integration Ecosystem API integrations + third-party clients + ATmosphere developer ecosystem (Smoke Signal, Bluecast, Skyfeed)
Prosocial Coherence Moderation tools + community labelling + Trusted Verifiers verification system (April 2025)
Economic Flows N/A (subscription model planned; custom domain hosting as initial revenue)
Governance & Decision Making Company-controlled (PBC — Public Benefit Corporation)
Media / Publishing Yes (posts, images, video up to 3 min)
Knowledge Management No
Sensemaking No
Project Management No
Communication Model Public broadcast with algorithmic feed curation; DMs; speech/reach separation via AT Protocol labeling system
Network Resilience Federated (AT Protocol PDS servers; Relay/AppView architecture); users can self-host PDS
Discovery Mechanism AT Protocol Relay indexes public content; custom feeds, Starter Packs, Trending Topics, Explore feature
Max Participants Open (25M+ registered users as of Dec 2024; ~1.5M DAU as of Sep 2025)
Data Sovereignty User data stored in personal AT Protocol repos (PDS); account portability between servers; self-hosting possible