sdk.blue

C# (.NET)

AppViewLite • @alnkesq (Alnkq) ★ 168

A Bluesky appview focused on low resource consumption

bluesky appview

Last release: – | Last commit: Oct 2025 | AGPL 3.0
FishyFlip • @drasticactions (Tim Miller) ★ 108

Fishyflip - a .NET ATProtocol/Bluesky Library

xrpc client firehose oauth

Last release: Aug 2025 | Last commit: Oct 2025 | MIT
PinkSea • @shinolabs (shinonome laboratories) ★ 94

An oekaki BBS board running on top of the AT Protocol.

atproto app

Last release: – | Last commit: Aug 2025 | EUPL + CC0
idunno.Bluesky • @blowdart (Barry Dorrans) ★ 76

A .NET class library for the Bluesky social network.

xrpc client firehose oauth

Last release: Sep 2025 | Last commit: Oct 2025 | MIT
X.Bluesky • @a-gubskiy (Andrew Gubskiy) ★ 48

Client for Bluesky

xrpc client

Last release: Aug 2025 | Last commit: Oct 2025 | MIT
atompds • @PassiveModding (Ramen) ★ 25

An atproto PDS implementation in .NET (C#)

pds

Last release: – | Last commit: Jan 2025 | MIT

C/C++

atproto-cpp • @lmangani (Lorenzo Mangani) ★ 5

Simple C++ interface for interacting with BlueSky #atproto

xrpc client

Last release: – | Last commit: Nov 2024 | MIT
atproto • @mfnboer (Michel) ★ 3

Qt/C++ ATProto library

xrpc client identity

Last release: Oct 2025 | Last commit: Oct 2025 | GPL 3.0

Dart

atproto.dart • @myConsciousness (Shinya) ★ 202

🦋 Production-Ready AT Protocol & Bluesky SDK for Flutter & Dart 💙

xrpc client identity firehose oauth parsing

Last release: Sep 2025 | Last commit: Oct 2025 | BSD 3 Clause
indexer • @skyfeed-dev ★ 38

ATProto/Bluesky Indexer powered by SurrealDB.

indexer

Last release: – | Last commit: Dec 2023 | AGPL 3.0

Elixir

hexpds • @NetWatchInc (NetWatch) ★ 39

An ATProto PDS written in Elixir

pds

Last release: – | Last commit: Feb 2025 | MIT
bluesky_ex • @cribbles (Chris Sloop) ★ 15

Elixir client for the Bluesky / AT protocol

xrpc client

Last release: – | Last commit: May 2023 | MIT

Go

indigo • @bluesky-social ★ 1203

Go source code for Bluesky's atproto services.

xrpc client identity firehose crypto relay indexer parsing moderation

Last release: – | Last commit: Oct 2025 | MIT / Apache
tangled core • @tangled.org ★ 457

Monorepo for Tangled — https://tangled.org

atproto app

Last release: Oct 2025 | Last commit: Oct 2025 | MIT
jetstream • @bluesky-social ★ 423

A simplified JSON event stream for AT Proto

firehose relay

Last release: – | Last commit: Oct 2025 | MIT
bsky-experiments • @jazware (Jaz) ★ 296

A handful of Go-based tools for poking around with BlueSky using the AT Protocol

firehose feeds indexer bots plc example

Last release: – | Last commit: Oct 2025 | MIT
streamplace • @stream.place (Streamplace) ★ 215

Live video for the AT Protocol. Solving video for everybody forever.

atproto app

Last release: Oct 2025 | Last commit: Oct 2025 | MIT
whitewind-blog • @whtwnd ★ 153

The AT Protocol blogging platform

atproto app

Last release: Apr 2025 | Last commit: Apr 2025 | AGPL 3.0
konbini • @whyrusleeping (Whyrusleeping) ★ 149

A Cozy Bluesky AppView

bluesky appview

Last release: – | Last commit: Oct 2025 | MIT
cocoon • @hailey.at (hailey) ★ 76

An ATProtocol Personal Data Server written in Go with a SQLite block and blob store

pds

Last release: Oct 2025 | Last commit: Oct 2025 | MIT
blueskyfirehose • @CharlesDardaman (Charles) ★ 63

Simple golang firehose for Bluesky.

firehose

Last release: – | Last commit: Jan 2025 | MIT
market • @whyrusleeping (Whyrusleeping) ★ 60

A Bluesky full index

indexer

Last release: – | Last commit: Jul 2025 | MIT
cbor-gen • @whyrusleeping (Whyrusleeping) ★ 44

Codegen for cbor codecs on your types

parsing

Last release: Mar 2025 | Last commit: Mar 2025 | MIT
go-bsky-feed-generator • @jazware (Jaz) ★ 34

A minimal implementation of a BlueSky Feed Generator in Go

feeds example

Last release: – | Last commit: Apr 2024 | MIT
labeler • @bsky-watch (bsky.watch) ★ 22

Basic ATproto labeler and a toolkit to make your own

moderation

Last release: Jan 2025 | Last commit: Jan 2025 | MIT
atproto.tools • @jazware (Jaz) ★ 22

A looking glass for the AT Proto Firehose

firehose

Last release: Mar 2024 | Last commit: Sep 2025 | MIT
indexer • @uabluerail (Укртвізалізниця) ★ 22

ATproto PDS indexer

indexer

Last release: – | Last commit: Feb 2025 | MIT
gobot-bsky • @danrusei (Dan Rusei) ★ 18

Bluesky Bot library in Go

bots

Last release: Aug 2025 | Last commit: Aug 2025 | Apache 2.0
atmunge • @blebbit ★ 17

ATProtocol tool to backfill, mirror, explore, and analyze the network

firehose indexer

Last release: – | Last commit: Sep 2025 | MIT
plc-mirror • @bsky-watch (bsky.watch) ★ 11

Self-hosted PLC mirror

plc

Last release: – | Last commit: Nov 2024 | MIT
botsky • @davhofer (David Hofer) ★ 10

A Bluesky API client in Go with useful features for writing automated bots.

bots

Last release: – | Last commit: Feb 2025 | MIT / Apache
utils • @bsky-watch (bsky.watch) ★ 7

Helpful code chunks for working with https://bsky.app

Last release: – | Last commit: Jan 2025 | MIT
go-dasl • @hyphacoop (Hypha Worker Co-operative) ★ 4

A Go reference library for DASL.

parsing

Last release: Oct 2025 | Last commit: Oct 2025 | MIT / Apache

JavaScript

atproto • @bluesky-social ★ 8880

AT Protocol Reference Implementation (TypeScript)

xrpc client bluesky appview pds server identity crypto oauth

Last release: Oct 2025 | Last commit: Oct 2025 | MIT / Apache
feed-generator • @bluesky-social ★ 1944

ATProto Feed Generator Starter Kit

feeds example

Last release: – | Last commit: Feb 2025 | MIT
leaflet • @leaflet.pub ★ 608

a tool for shared writing and social publishing

atproto app

Last release: – | Last commit: Oct 2025 | MIT
atcute • @mary.my.id (mary) ★ 432

a collection of lightweight TypeScript packages for AT Protocol, the protocol powering Bluesky

xrpc client firehose identity oauth server lexicons parsing crypto

Last release: Oct 2025 | Last commit: Oct 2025 | 0BSD
frontpage • @frontpage.fyi ★ 188

AT-based link agregator. Mirror of https://github.com/likeandscribe/frontpage

atproto app

Last release: – | Last commit: Oct 2025 | MIT
labeler-starter-kit-bsky • @aliceisjustplaying (Alice) ★ 183

Use this repository to get started with your own Bluesky Labeler.

moderation example

Last release: Nov 2024 | Last commit: Nov 2024 | MIT
bot • @skyware-js (Skyware) ★ 82

A framework for building bots on Bluesky.

bots

Last release: Aug 2025 | Last commit: Aug 2025 | MPL 2.0
Aurora-Prism • @dollspace-gay (dollspace.gay) ★ 69

A third party Appview for ATproto

bluesky appview

Last release: Oct 2025 | Last commit: Oct 2025 | MIT
labeler • @skyware-js (Skyware) ★ 57

A lightweight alternative to Ozone for operating an atproto labeler.

moderation

Last release: Nov 2024 | Last commit: Nov 2024 | MPL 2.0
jetstream • @skyware-js (Skyware) ★ 49

A fully typed client for the Bluesky Jetstream service.

firehose

Last release: Jul 2025 | Last commit: Jul 2025 | MPL 2.0
bsky-event-handlers • @juni-b-queer (Juni!) ★ 48

Typescript based framework for building Bluesky bots

bots

Last release: Sep 2025 | Last commit: Sep 2025 | BSD 4 Clause
firehose • @skyware-js (Skyware) ★ 39

A dead simple client for subscribing to an ATProto Relay ("firehose").

firehose

Last release: Aug 2025 | Last commit: Aug 2025 | MPL 2.0
atproto-oauth-client-react-native • @streamplace (Streamplace) ★ 21

atproto OAuth Client for React Native

oauth

Last release: – | Last commit: Jan 2025 | MIT
authr • @blebbit ★ 8

Our Authnz Services

oauth

Last release: – | Last commit: Aug 2025 | Apache 2.0
expo-atproto-auth • @hailey.at ★ 3

Expo client library for Atproto OAuth

oauth

Last release: – | Last commit: Jul 2025 | MIT
bski • @colds-ky (Cold Sky) ★ 2

Raw CAR/CBOR format parsing

parsing

Last release: – | Last commit: Feb 2025 | MIT

Kotlin

ozone • @christiandeange (Christian De Angelis) ★ 117

Kotlin Multiplatform bindings for Bluesky

xrpc client jetstream oauth

Last release: May 2025 | Last commit: Oct 2025 | MIT
kbsky • @uakihir0 (Akihiro Urushihara) ★ 56

Kotlin multiplatform Bluesky/ATProtocol library.

xrpc client jetstream oauth identity

Last release: Jan 2025 | Last commit: Sep 2025 | MIT

PHP

BlueskyApi • @cjrasmussen (Clark Rasmussen) ★ 39

Simple helper for interacting with the Bluesky API/AT protocol

xrpc client

Last release: May 2025 | Last commit: May 2025 | MIT
phluesky • @potibm (poti) ★ 37

An small PHP library for Bluesky social using the AT Protocol.

xrpc client

Last release: May 2025 | Last commit: May 2025 | MIT
blueskysdk • @shahmal1yev (Eldar Shahmaliyev) ★ 30

BlueSky SDK is a comprehensive PHP library designed to seamlessly integrate with the BlueSky social network.

xrpc client

Last release: Mar 2025 | Last commit: Jul 2025 | MIT
libphpsky • @aazsamir ★ 7

Libphpsky is a PHP library designed to interact with Bluesky decentralized social media protocol - AT protocol.

xrpc client firehose

Last release: Oct 2025 | Last commit: Oct 2025 | MIT
blugen • @shahmal1yev (Eldar Shahmaliyev) ★ 0

A powerful PHP library that generates code based on ATProto lexicons.

lexicons

Last release: Oct 2025 | Last commit: Oct 2025 | MIT

PowerShell

PSBluesky • @jdhitsolutions (Jeff Hicks) ★ 40

A set of PowerShell 7 commands packaged as a module that use the BlueSky API. You can skeet and upload images from a PowerShell prompt as well as view your feed and timeline.

xrpc client

Last release: Jun 2025 | Last commit: Jun 2025 | MIT
PSA • @StartAutomating (James Brundage) ★ 7

PowerShell Announcements (with AtProtocol)

xrpc client

Last release: Oct 2023 | Last commit: Oct 2023 | MIT

Python

atproto • @MarshalX (Ilya Siamionau) ★ 613

The AT Protocol (🦋 Bluesky) SDK for Python 🐍

xrpc client identity firehose parsing server crypto

Last release: Oct 2025 | Last commit: Oct 2025 | MIT
bluesky-feed-generator • @MarshalX (Ilya Siamionau) ★ 292

🦋 Bluesky custom feed algorithms server in Python 🐍

feeds example

Last release: – | Last commit: Feb 2025 | MIT
millipds • @DavidBuchanan314 (David Buchanan) ★ 145

A from-scratch atproto PDS implementation in Python

pds

Last release: Oct 2025 | Last commit: Oct 2025 | MIT
arroba • @snarfed (Ryan Barrett) ★ 71

Python implementation of Bluesky PDS and AT Protocol, including repo, MST, and sync XRPC methods

pds

Last release: Sep 2025 | Last commit: Oct 2025 | CC0 1.0
picopds • @DavidBuchanan314 (David Buchanan) ★ 70

A minimum viable atproto PDS for protocol experimentation purposes

pds

Last release: Sep 2023 | Last commit: Nov 2024 | MIT
lexrpc • @snarfed (Ryan Barrett) ★ 44

Python client and server for Bluesky/AT Protocol's XRPC + Lexicon

xrpc client server

Last release: Sep 2025 | Last commit: Oct 2025 | CC0 1.0
python-libipld • @MarshalX (Ilya Siamionau) ★ 21

🏎️ Fast Python library to work with IPLD: DAG-CBOR, CID, CAR, multibase

parsing

Last release: Oct 2025 | Last commit: Oct 2025 | MIT
dag-cbrrr • @DavidBuchanan314 (David Buchanan) ★ 18

A reasonably fast DAG-CBOR parser for Python

parsing

Last release: Nov 2024 | Last commit: Jun 2025 | MIT
chitose • @mnogu (Muneyuki Noguchi) ★ 17

Python client library for the AT Protocol (Bluesky)

xrpc client

Last release: Sep 2023 | Last commit: Oct 2024 | MIT
nanoatp • @susumuota (S. Ota) ★ 15

A nano implementation of the AT Protocol for Python.

xrpc client

Last release: Feb 2025 | Last commit: Feb 2025 | MIT
pysky • @tfederman (Todd Federman) ★ 13

A Bluesky API library focused on quality of life application-level features

xrpc client

Last release: – | Last commit: Sep 2025 | MIT
jetstream-turbo • @graze-social (Graze Social PBC) ★ 12

Turbocharged Jetstream - enriches jetstream items with referenced DIDs and at-uris

firehose relay

Last release: Apr 2025 | Last commit: May 2025 | MIT
atpasser • @dwn.myatproto.social ★ 5

Tools for ATProto

Last release: – | Last commit: Oct 2025 | MIT / Apache

Ruby

skyfall • @mackuba.eu (Kuba Suder) ★ 57

A Ruby gem for streaming data from the Bluesky/ATProto firehose

firehose

Last release: Jun 2025 | Last commit: Jul 2025 | Zlib
minisky • @mackuba.eu (Kuba Suder) ★ 47

A minimal Ruby client of Bluesky/ATProto API

xrpc client

Last release: Dec 2024 | Last commit: Dec 2024 | Zlib
bluesky-feeds-rb • @mackuba (Kuba Suder) ★ 38

Template of a custom feed generator service for the Bluesky network in Ruby

feeds example

Last release: Jul 2025 | Last commit: Jul 2025 | Zlib
blue_factory • @mackuba.eu (Kuba Suder) ★ 29

A simple Ruby server using Sinatra that serves Bluesky custom feeds

feeds

Last release: Oct 2025 | Last commit: Oct 2025 | Zlib
didkit • @mackuba.eu (Kuba Suder) ★ 16

A library for handling DID identifiers used in Bluesky AT Protocol

identity

Last release: Jul 2024 | Last commit: Jul 2025 | Zlib
omniauth-atproto • @lasercatspro (Lasercats) ★ 12

An omniauth strategy for atproto

oauth

Last release: – | Last commit: Dec 2024 | MIT
atproto_auth • @jhuckabee (Josh Huckabee) ★ 7

Ruby implementation of the AT Protocol OAuth specification

oauth

Last release: Dec 2024 | Last commit: Dec 2024 | MIT

Rust

rsky • @blacksky-algorithms (Blacksky Algorithms) ★ 559

An AT Protocol implementation prioritizing community safety and self-governance, written in Rust.

pds relay bluesky appview feeds firehose identity crypto parsing moderation

Last release: – | Last commit: Oct 2025 | Apache 2.0
atrium • @atrium-rs ★ 379

Rust libraries for Bluesky's AT Protocol services.

xrpc client lexicons

Last release: Oct 2025 | Last commit: Oct 2025 | MIT
slices • @slices.network ★ 132

Highly ambitious ATProtocol AppView service and sdks

Last release: Oct 2025 | Last commit: Oct 2025 | MIT
microcosm-rs • @microcosm.blue (microcosm) ★ 130

Constellation, Spacedust, Slingshot, UFOs: atproto crates and services for microcosm

firehose indexer

Last release: Sep 2025 | Last commit: Oct 2025 | Unknown
aip • @graze-social (Graze Social PBC) ★ 91

ATmosphere Authentication, Identity, and Permission Proxy

oauth

Last release: Sep 2025 | Last commit: Sep 2025 | MIT
jacquard • @nonbinary.computer (relative state form) ★ 73

A better Rust ATProto crate

xrpc client firehose oauth identity lexicons server moderation

Last release: Oct 2025 | Last commit: Oct 2025 | MPL 2.0
parakeet • @parakeet.at ★ 64

Rust-based Bluesky AppView aiming to implement most of the functionality required to support the Bluesky client

bluesky appview

Last release: – | Last commit: Oct 2025 | MIT / Apache
supercell • @astrenoxcoop (The Astrenox Cooperative) ★ 63

A lightweight and configurable atproto feed generator.

feeds

Last release: Jan 2025 | Last commit: Jan 2025 | MIT
iftta • @graze-social (Graze Social PBC) ★ 58

AT Protocol automation service written in Rust

Last release: Sep 2025 | Last commit: Oct 2025 | MIT
quickdid • @smokesignal.events ★ 47

A high-performance AT Protocol identity resolution service written in Rust

identity

Last release: Sep 2025 | Last commit: Sep 2025 | MIT
jetstream-oxide • @videah ★ 47

A typed Rust library for easily interacting with and consuming the Bluesky Jetstream service.

firehose

Last release: – | Last commit: Apr 2025 | MIT
smokesignal • @smokesignal.events ★ 44

A decentralized event and RSVP management application built for the AT Protocol ecosystem

atproto app

Last release: May 2025 | Last commit: Oct 2025 | MIT
query-engine • @skyfeed-dev ★ 35

Query Engine used by custom feeds created using the SkyFeed Builder

Last release: – | Last commit: May 2025 | AGPL 3.0
Allegedly • @microcosm.blue (microcosm) ★ 33

Server tools to backfill, tail, mirror, and verify PLC logs

plc

Last release: Sep 2025 | Last commit: Oct 2025 | MIT / Apache
badgeblue • @astrenoxcoop (The Astrenox Cooperative) ★ 21

Define, Issue, and Verify Badges for ATProtocol Handles.

atproto app

Last release: Sep 2024 | Last commit: Sep 2024 | MIT
atproto-identity-rs • @smokesignal.events ★ 20

A library for ATProtocol identities.

identity

Last release: Sep 2025 | Last commit: Oct 2025 | MIT
plc-mirror • @parakeet.at ★ 14

A PLC Mirror written in Rust

plc

Last release: – | Last commit: Oct 2025 | MIT / Apache
repo-stream • @microcosm.blue ★ 10

Fast and robust atproto CAR file processing in rust

parsing

Last release: – | Last commit: Oct 2025 | MIT / Apache

Swift & ObjC

ATProtoKit • @MasterJ93 (Christopher Jr Riley) ★ 188

A straightforward solution for using the AT Protocol and Bluesky, written in Swift.

xrpc client firehose identity

Last release: Oct 2025 | Last commit: Oct 2025 | MIT
OAuthenticator • @ChimeHQ (Chime) ★ 88

OAuth 2.1 request authentication

oauth

Last release: Sep 2025 | Last commit: Sep 2025 | BSD 3 Clause
swift-atproto • @nnabeyang (noriaki watanabe) ★ 36

AT Protocol implementation in Swift

xrpc client identity lexicons

Last release: Oct 2025 | Last commit: Oct 2025 | MIT
swift-atproto • @andooown ★ 36

Swift package that provides a AT Protocol libraries.

xrpc client

Last release: Feb 2024 | Last commit: Feb 2024 | MIT
CBOR • @khanwinter.com (Khan Winter) ★ 30

A fast, safe, and efficient CBOR serialization library for Swift on any platform.

parsing

Last release: Oct 2025 | Last commit: Oct 2025 | MIT
plc-handle-tracker • @kphrx (kPherox) ★ 29

did:plc & atproto handle tracker

plc

Last release: – | Last commit: Oct 2025 | MIT
ATResolve • @mattmassicotte (Matt Massicotte) ★ 14

AT Protocol PLC Resolver

identity

Last release: Apr 2025 | Last commit: Jul 2025 | BSD 3 Clause
ATCryptography • @ATProtoKit (The ATProtoKit Project) ★ 13

A Swift library providing cryptographic utilities for the AT Protocol.

crypto

Last release: Jul 2025 | Last commit: Jul 2025 | Apache 2.0
lexicon-gen • @andooown ★ 12

CLI tool written in Swift to generate Swift codes from AT Proto's Lexicon files.

lexicons

Last release: Oct 2023 | Last commit: Oct 2023 | MIT
ATAT • @mattmassicotte (Matt Massicotte) ★ 9

Little library for working with the AT Protocol

xrpc client

Last release: – | Last commit: Aug 2025 | BSD 3 Clause
swift-cbor • @nnabeyang (noriaki watanabe) ★ 9

swift-cbor is a library of CBOR encoder & decoder for Swift based on Codable.

parsing

Last release: Jul 2024 | Last commit: Aug 2025 | MIT
ATCommonTools • @ATProtoKit (The ATProtoKit Project) ★ 8

A group of common methods and objects for the ATProtoKit family of Swift packages.

Last release: Aug 2025 | Last commit: Aug 2025 | Apache 2.0
ATSyntaxTools • @ATProtoKit (The ATProtoKit Project) ★ 5

A Swift implementation of validation helpers for identifier strings.

Last release: May 2025 | Last commit: Jul 2025 | Apache 2.0
SwiftBluesky • @chead ★ 4

A package for interacting with the Bluesky Social API.

xrpc client

Last release: Nov 2024 | Last commit: Nov 2024 | Unknown
ATOAuthKit • @ATProtoKit (The ATProtoKit Project) ★ 3

A Swift implementation of ATProto-flavoured OAuth.

oauth

Last release: Aug 2025 | Last commit: Aug 2025 | Apache 2.0
ATIdentityTools • @ATProtoKit (The ATProtoKit Project) ★ 3

A set of Swift utilities for resolving and validating DIDs and handles in the AT Protocol.

identity

Last release: Aug 2025 | Last commit: Aug 2025 | Apache 2.0
swift-atproto-demo-firehose • @nnabeyang (noriaki watanabe) ★ 3

A demo application of Firehose using swift-atproto.

firehose parsing example

Last release: – | Last commit: Jul 2024 | MIT
MultiformatsKit • @ATProtoKit (The ATProtoKit Project) ★ 2

A Swift implementation of the Multiformats spec, including Multibase, Multicodec, Multihash, and CID.

parsing

Last release: May 2025 | Last commit: Jul 2025 | Apache 2.0
SwiftATProto • @chead ★ 2

A Swift package for constructing ATProto requests.

xrpc client

Last release: Nov 2024 | Last commit: Nov 2024 | Unknown
SwiftLexicon • @chead ★ 1

A Swift package for decoding ATProto Lexicon.

lexicons

Last release: Nov 2024 | Last commit: Nov 2024 | Unknown

Other

bskyr • @christopherkenny (Christopher T. Kenny) ★ 27

Interact with Bluesky Social from R

xrpc client

Last release: Oct 2025 | Last commit: Oct 2025 | MIT
gt4atproto • @feenkcom (feenk) ★ 23

A dedicated environment for AT Protocol build in Glamorous Toolkit.

xrpc client

Last release: – | Last commit: May 2025 | MIT
atproto-clj • @atproto-clj (ATProto Clojure SDK) ★ 16

ATProto Clojure SDK

xrpc client firehose identity

Last release: – | Last commit: Apr 2025 | MIT
cfbsky • @camerahacks (André Costa) ★ 2

CFML BlueSky API Wrapper

xrpc client

Last release: – | Last commit: Dec 2024 | GPL 3.0

[sdk.blue]

Libraries, tools & services for the AT Protocol

C# (.NET)

C/C++

Dart

Elixir

Go

JavaScript

Kotlin

PHP

PowerShell

Python

Ruby

Rust

Swift & ObjC

Other