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Home/Categories/Communication & Collaboration/Bluesky
icon of Bluesky

Bluesky

Open source alternative to Hootsuite and Sprout Social

Bluesky is a decentralized social network built on the open AT Protocol, where users own their identity and can carry their account to any compatible host. MIT licensed, with a self-hostable Personal Data Server.

18K stars
image of Bluesky
Contents
  1. 01Who Bluesky is for

Repository

Stars
18K
Forks
2.7K
License
MIT
Latest
1.121.0
Last commit
18 days ago
Last verified
May 13, 2026
Repo
bluesky-social/social-app ↗
TypeScript
MIT
Active this month
Visit websiteGitHub repo
  • 02The problem it solves
  • 03How it solves it
  • 04Strengths and trade-offs
  • 05Bluesky vs alternatives
  • 06Tech stack
  • 07FAQ
  • 08Similar open-source tools
    • TL;DR

    Bluesky is an MIT-licensed social network built on the open AT Protocol. It replaces Twitter-style social publishing for people and communities that want portable identity, custom feeds, and the option to run parts of the network outside one company.MIT · TypeScript · 18K stars · Active this month

    who it's for

    Who Bluesky is for#

    Creators rebuilding a portable social presence

    Bluesky lets creators use domain handles and participate in a network built around more portable identity.

    Skip if:

    Skip if your audience is still concentrated on X, LinkedIn, or Instagram and you need maximum reach today.

    Developers building social tools

    The AT Protocol and feed APIs create room for custom clients, feeds, and moderation experiments.

    Skip if:

    Skip if you need stable enterprise social-media management features.

    the problem

    The problem it solves#

    how Bluesky solves it

    How it solves it#

    AT Protocol foundation

    Uses an open protocol designed for portable identity, interoperable clients, and decentralized social infrastructure.

    Domain-based identity

    Users can use a domain as a handle, making identity less dependent on a platform-issued username.

    Custom feeds

    Supports algorithmic feeds that users can choose or build instead of accepting one default ranking system.

    strengths · trade-offs

    Strengths and trade-offs#

    Strengths

    • Portable social identityBluesky reduces the risk of losing a social graph to one platform decision by separating identity from a single hosted service.
    • Developer-accessible protocolThe AT Protocol gives builders a documented path for clients, feeds, moderation tooling, and related social apps.

    Trade-offs

    • -Decentralization is still maturingThe ecosystem is younger than Twitter/X, and users may still rely on Bluesky-hosted services for the easiest experience.
    versus alternatives

    Bluesky vs alternatives#

    tech stack · detected from GitHub

    What it's built on#

    Languages
    GoJavaScriptKotlinSwiftTypeScript
    Frameworks
    ExpressReact
    Databases
    PostgreSQL
    frequently asked

    FAQ#

    Is Bluesky open source?

    Yes. The Bluesky social app repository is MIT licensed, and the AT Protocol ecosystem is developed in public.

    Can I self-host Bluesky?

    Users can run a Personal Data Server for AT Protocol participation, although the easiest path remains using Bluesky-hosted services.

    How does Bluesky compare to Twitter/X?
    also worth a look

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    Additional details

    Language
    TypeScript
    Open issues
    2,268
    Contributors
    298
    First release
    2022

    Categories

    Communication & CollaborationDeveloper Tools

    Tags

    Social MediaSelf HostedOpen CoreAPI InfrastructureDeveloper Framework

    Traditional social networks lock identity, followers, posts, and moderation into a single company account. When policies change, algorithms shift, or accounts get restricted, creators and communities can lose access to the audience they built.

    The problem is not only content ownership. A single platform also controls discovery, feed ranking, data portability, and developer access, which makes it hard for users to move without starting over.

    Bluesky vs Twitter/X

    Bluesky and Twitter/X both support short-form public conversation, follows, reposts, and feeds. Bluesky is built on the AT Protocol with portable identity; Twitter/X is a centralized proprietary platform.

    Bluesky is better when identity portability, custom feeds, and protocol-level openness matter. Twitter/X is still better for teams that need the largest existing audience reach and mature advertising products.

    Bluesky uses an open protocol with portable identity and custom feeds. Twitter/X is a proprietary centralized platform with a single company controlling identity, feed ranking, and developer access.