sdk.blue

C#

AppViewLite • @alnkesq (Alnkq) ★ 198

A Bluesky appview focused on low resource consumption

bluesky appview

Last release: – | Last commit: Aug 2026 | AGPL 3.0
FishyFlip • @drasticactions (Tim Miller) ★ 116

Fishyflip - a .NET ATProtocol/Bluesky Library

xrpc client firehose oauth

Last release: Mar 2026 | Last commit: Mar 2026 | MIT
PinkSea • @shinolabs (shinonome laboratories) ★ 108

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

atproto app

Last release: – | Last commit: Jan 2026 | EUPL + CC0
idunno.Bluesky • @blowdart (Barry Dorrans) ★ 90

A .NET class library for the Bluesky social network.

xrpc client firehose oauth

Last release: Jul 2026 | Last commit: Aug 2026 | MIT
X.Bluesky • @a-gubskiy (Andrew Gubskiy) ★ 50

Client for Bluesky

xrpc client

Last release: Aug 2025 | Last commit: Jul 2026 | MIT
atompds • @PassiveModding (Jaquesy) ★ 27

An atproto PDS implementation in .NET (C#)

pds

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

C/C++

atproto-cpp • @lmangani (Lorenzo Mangani) ★ 4

Simple C++ interface for interacting with BlueSky #atproto

xrpc client

Last release: – | Last commit: Nov 2024 | MIT
atproto • @mfnboer (Michel) ★ 4

Qt/C++ ATProto library

xrpc client identity

Last release: Aug 2026 | Last commit: Aug 2026 | GPL 3.0

Dart

atproto.dart • @myConsciousness ★ 208

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

xrpc client identity firehose oauth parsing

Last release: Jul 2026 | Last commit: Aug 2026 | BSD 3 Clause

Elixir

hexpds • @NetWatchInc (NetWatch) ★ 44

An ATProto PDS written in Elixir

pds

Last release: – | Last commit: Feb 2025 | MIT
atex • @comet.sh ★ 35

An Elixir toolkit for the AT Protocol.

xrpc client identity lexicons oauth

Last release: Jun 2026 | Last commit: Jun 2026 | MIT
latch • @jola.dev ★ 9

An Elixir atproto OAuth and XRPC client

xrpc client oauth

Last release: Aug 2026 | Last commit: Aug 2026 | MIT
Potable • @RosterPub ★ 6

An Elixir implementation of core AT Protocol repository primitives

parsing crypto

Last release: – | Last commit: Feb 2026 | MIT

Gleam

quickslice • @slices.network ★ 59

Auto-indexing service and GraphQL API for AT Protocol Records

indexer

Last release: Jan 2026 | Last commit: Jan 2026 | Apache 2.0
possum • @kacaii.dev ★ 43

🐀 ATproto XRPC client for gleam

xrpc client identity

Last release: Jul 2026 | Last commit: Jul 2026 | MIT
alicia • @sheetr.app ★ 33

Gleam ATProto packages

identity lexicons parsing

Last release: – | Last commit: Jul 2026 | Apache 2.0
goose • @chadtmiller.com ★ 12

A Gleam WebSocket consumer for AT Protocol Jetstream events.

firehose

Last release: – | Last commit: Dec 2025 | Apache 2.0
gleam-atproto • @mokkenstorm.dev ★ 10

infra stuff in gleam

xrpc client identity oauth lexicons parsing

Last release: Aug 2026 | Last commit: Aug 2026 | MIT

Go

indigo • @bluesky-social ★ 1374

Go source code for Bluesky's atproto services.

xrpc client identity firehose crypto relay indexer parsing moderation

Last release: Mar 2026 | Last commit: Jul 2026 | MIT / Apache
tangled core • @tangled.org ★ 345

Monorepo for Tangled

atproto app

Last release: Jul 2026 | Last commit: Aug 2026 | MIT
streamplace • @stream.place (Streamplace) ★ 319

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

atproto app

Last release: Aug 2026 | Last commit: Aug 2026 | MIT
bsky-experiments • @jazware (Jaz) ★ 318

A mirror of my personal monorepo's AT Proto tools

firehose feeds indexer bots plc mirror example

Last release: – | Last commit: Apr 2026 | MIT
konbini • @whyrusleeping (Whyrusleeping) ★ 168

A Cozy Bluesky AppView

bluesky appview

Last release: – | Last commit: Oct 2025 | MIT
whitewind-blog • @whtwnd ★ 166

The AT Protocol blogging platform

atproto app

Last release: Apr 2025 | Last commit: Apr 2025 | AGPL 3.0
cocoon • @haileyok (hailey elizabeth) ★ 107

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

pds

Last release: Jun 2026 | Last commit: Jul 2026 | MIT
market • @whyrusleeping (Whyrusleeping) ★ 63

A Bluesky full index

indexer

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

Simple golang firehose for Bluesky.

firehose

Last release: – | Last commit: Jan 2025 | MIT
cbor-gen • @whyrusleeping (Whyrusleeping) ★ 45

Codegen for cbor codecs on your types

parsing

Last release: Mar 2025 | Last commit: May 2026 | 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
atproto.tools • @jazware (Jaz) ★ 26

A looking glass for the AT Proto Firehose

firehose

Last release: Mar 2024 | Last commit: Dec 2025 | MIT
labeler • @bsky-watch (bsky.watch) ★ 24

Basic ATproto labeler and a toolkit to make your own

moderation

Last release: Jan 2025 | Last commit: Jan 2025 | MIT
atmunge • @verdverm (Tony Worm) ★ 20

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

firehose indexer plc mirror

Last release: – | Last commit: Mar 2026 | MIT
gobot-bsky • @danrusei (Dan Rusei) ★ 17

Bluesky Bot library in Go

bots

Last release: Jun 2026 | Last commit: Jun 2026 | Apache 2.0
jetstream • @bluesky-social ★ 17

firehose relay

Last release: – | Last commit: Aug 2026 | Apache 2.0
plc-mirror • @bsky-watch (bsky.watch) ★ 11

Self-hosted PLC mirror

plc mirror

Last release: – | Last commit: Feb 2026 | MIT
go-dasl • @hyphacoop (Hypha Worker Co-operative) ★ 6

A Go reference library for DASL.

parsing

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

JavaScript

atproto • @bluesky-social ★ 9576

AT Protocol Reference Implementation (TypeScript)

xrpc client bluesky appview pds server identity crypto oauth

Last release: Aug 2026 | Last commit: Aug 2026 | MIT / Apache
feed-generator • @bluesky-social ★ 2059

ATProto Feed Generator Starter Kit

feeds example

Last release: – | Last commit: Jun 2026 | MIT
leaflet • @leaflet.pub ★ 774

a tool for shared writing and social publishing

atproto app

Last release: – | Last commit: Aug 2026 | MIT
atcute • @mary.my.id (mary) ★ 624

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

xrpc client firehose identity oauth server lexicons parsing crypto

Last release: Jul 2026 | Last commit: Aug 2026 | 0BSD
cirrus • @ascorbic (Matt Kane) ★ 429

A single-user ATProto PDS that runs on a Cloudflare Worker

pds

Last release: Jun 2026 | Last commit: Jun 2026 | MIT
frontpage • @frontpage.fyi (Frontpage) ★ 208

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

atproto app

Last release: – | Last commit: Jul 2026 | MIT
labeler-starter-kit-bsky • @aliceisjustplaying (Alice) ★ 204

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) ★ 85

A framework for building bots on Bluesky.

bots

Last release: – | Last commit: Aug 2025 | MPL 2.0
Aurora-Prism • @dollspace-gay (dollspace.gay) ★ 82

A third party Appview for ATproto

bluesky appview

Last release: Mar 2026 | Last commit: Apr 2026 | MIT
labeler • @skyware-js (Skyware) ★ 60

A lightweight alternative to Ozone for operating an atproto labeler.

moderation

Last release: – | Last commit: Nov 2025 | MPL 2.0
jetstream • @skyware-js (Skyware) ★ 57

A fully typed client for the Bluesky Jetstream service.

firehose

Last release: – | Last commit: Jul 2025 | MPL 2.0
bsky-event-handlers • @juni-b-queer (Juni!) ★ 49

Typescript based framework for building Bluesky bots

bots

Last release: Sep 2025 | Last commit: Sep 2025 | BSD 4 Clause
grain • @grainsocial (Grain Social) ★ 47

grain.social is a photo sharing platform built on atproto.

atproto app

Last release: Aug 2025 | Last commit: Jul 2026 | MIT
firehose • @skyware-js (Skyware) ★ 41

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

firehose

Last release: – | Last commit: Aug 2025 | MPL 2.0
prototypey • @tyler.fun (Tyler Lawson) ★ 40

atproto lexicon typescript toolkit

lexicons

Last release: Apr 2026 | Last commit: Aug 2026 | MIT
atproto-oauth-client-react-native • @streamplace (Streamplace) ★ 21

atproto OAuth Client for React Native

oauth

Last release: – | Last commit: Jan 2025 | MIT
oauth • @adonisjs-atproto (AT Protocol for Adonis.js) ★ 11

Integration between Adonis.js and AT Protocol's OAuth, in 5 minutes or less

oauth

Last release: Jul 2026 | Last commit: Jul 2026 | MIT
authr • @verdverm (Tony Worm) ★ 9

Our Authnz Services

oauth

Last release: – | Last commit: Aug 2025 | Apache 2.0
tap • @adonisjs-atproto (AT Protocol for Adonis.js) ★ 4

Ingest data from AT Protocol's Tap service into your Adonis.js application

firehose

Last release: Jul 2026 | Last commit: Jul 2026 | MIT
hatk • @hatk.dev ★ 2

AppView in a box as a Vite plugin thing

Last release: – | Last commit: Jul 2026 | MIT

Kotlin

ozone • @christiandeange (Christian De Angelis) ★ 124

Kotlin Multiplatform bindings for Bluesky

xrpc client jetstream oauth

Last release: Jun 2026 | Last commit: Aug 2026 | MIT
kbsky • @uakihir0 (Akihiro Urushihara) ★ 61

Kotlin multiplatform Bluesky/ATProtocol library.

xrpc client jetstream oauth identity

Last release: May 2026 | Last commit: Jul 2026 | MIT

OCaml

pegasus • @futur.blue ★ 71

An atproto PDS, along with an assortment of atproto-relevant libraries, written in OCaml

pds

Last release: – | Last commit: May 2026 | MPL 2.0
atproto • @gdiazlo.tngl.sh ★ 8

atproto libraries implementation in ocaml

xrpc client firehose identity parsing crypto server lexicons

Last release: – | Last commit: May 2026 | MIT

Perl

At.pm • @sanko (Sanko Robinson) ★ 5

The At Protocol for Social Networking in Perl

xrpc client firehose identity oauth

Last release: Mar 2026 | Last commit: Mar 2026 | Artistic
Bluesky.pm • @sanko (Sanko Robinson) ★ 2

Bluesky Client Library in Perl

xrpc client

Last release: Mar 2026 | Last commit: Mar 2026 | Artistic

PHP

phluesky • @potibm (poti) ★ 41

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

xrpc client

Last release: May 2025 | Last commit: Dec 2025 | MIT
BlueskyApi • @cjrasmussen (Clark Rasmussen) ★ 41

Simple helper for interacting with the Bluesky API/AT protocol

xrpc client

Last release: May 2025 | Last commit: May 2025 | MIT
blueskysdk • @edevsh (Eldar Shahmaliyev) ★ 32

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 ★ 15

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

xrpc client firehose

Last release: Jul 2026 | Last commit: Jul 2026 | MIT
atp-signals • @socialdept (Social Dept.) ★ 4

Build Reactive Signals for Bluesky's AT Protocol Firehose in Laravel

firehose

Last release: Aug 2026 | Last commit: Aug 2026 | MIT
atp-resolver • @socialdept (Social Dept.) ★ 2

Resolve AT Protocol DIDs, handles, and schemas with intelligent caching for Laravel

identity

Last release: Apr 2026 | Last commit: Apr 2026 | MIT
blugen • @edevsh (Eldar Shahmaliyev) ★ 0

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

lexicons

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

Python

atproto • @MarshalX (Ilya Siamionau) ★ 654

The AT Protocol (🦋 Bluesky) SDK for Python 🐍

xrpc client identity firehose parsing server crypto

Last release: Jun 2026 | Last commit: Jul 2026 | MIT
bluesky-feed-generator • @MarshalX (Ilya Siamionau) ★ 302

🦋 Bluesky custom feed algorithms server in Python 🐍

feeds example

Last release: – | Last commit: Dec 2025 | MIT
millipds • @DavidBuchanan314 (David Buchanan) ★ 157

A from-scratch atproto PDS implementation in Python

pds

Last release: Oct 2025 | Last commit: Oct 2025 | MIT
arroba • @snarfed (Ryan Barrett) ★ 78

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

pds

Last release: Jul 2026 | Last commit: Aug 2026 | CC0 1.0
picopds • @DavidBuchanan314 (David Buchanan) ★ 73

A minimum viable atproto PDS for protocol experimentation purposes

pds

Last release: Sep 2023 | Last commit: Nov 2024 | MIT
lexrpc • @snarfed (Ryan Barrett) ★ 46

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

xrpc client server

Last release: Jun 2026 | Last commit: Jul 2026 | CC0 1.0
python-libipld • @MarshalX (Ilya Siamionau) ★ 32

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

parsing

Last release: May 2026 | Last commit: Jul 2026 | MIT
dag-cbrrr • @DavidBuchanan314 (David Buchanan) ★ 23

A reasonably fast DAG-CBOR parser for Python

parsing

Last release: Mar 2026 | Last commit: Mar 2026 | MIT
nanoatp • @susumuota (Susumu Ota) ★ 17

A nano implementation of the AT Protocol for Python.

xrpc client

Last release: Feb 2025 | Last commit: Feb 2025 | MIT
jetstream-turbo • @graze-social (Graze Social PBC) ★ 14

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

firehose relay

Last release: Apr 2026 | Last commit: Apr 2026 | 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

Ruby

skyfall • @mackuba.eu (Kuba Suder) ★ 58

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

firehose

Last release: Aug 2026 | Last commit: Aug 2026 | Zlib
minisky • @mackuba.eu (Kuba Suder) ★ 52

A minimal Ruby client of Bluesky/ATProto API. Mirror of: https://tangled.org/mackuba.eu/minisky

xrpc client

Last release: Feb 2026 | Last commit: Jul 2026 | Zlib
bluesky-feeds-rb • @mackuba (Kuba Suder) ★ 40

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

feeds example

Last release: Jul 2025 | Last commit: Jan 2026 | Zlib
blue_factory • @mackuba.eu (Kuba Suder) ★ 32

A simple Ruby server using Sinatra that serves Bluesky custom feeds. Mirror of: https://tangled.org/mackuba.eu/blue_factory

feeds

Last release: Feb 2026 | Last commit: Jul 2026 | Zlib
didkit • @mackuba.eu (Kuba Suder) ★ 16

A library for handling DID identifiers used in Bluesky AT Protocol. Mirror of: https://tangled.org/mackuba.eu/didkit

identity

Last release: Jul 2026 | Last commit: Jul 2026 | Zlib
omniauth-atproto • @lasercatspro (Lasercats) ★ 14

An omniauth strategy for atproto

oauth

Last release: Mar 2026 | Last commit: Mar 2026 | MIT
atproto-ruby • @lasercatspro (Lasercats) ★ 12

An atproto client for authenticated requests, in ruby.

xrpc client oauth

Last release: Feb 2026 | Last commit: Feb 2026 | 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
tapfall • @mackuba.eu ★ 2

Ruby gem for ingesting ATProto repo data from a Tap service (extension of Skyfall gem)

firehose

Last release: Dec 2025 | Last commit: Jul 2026 | Zlib

Rust

rsky • @blacksky-algorithms (Blacksky Algorithms) ★ 692

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: Sep 2023 | Last commit: Aug 2026 | Apache 2.0
atrium • @atrium-rs ★ 420

Rust libraries for Bluesky's AT Protocol services.

xrpc client lexicons

Last release: Mar 2026 | Last commit: Mar 2026 | MIT
microcosm-rs • @microcosm.blue (microcosm) ★ 214

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

firehose indexer

Last release: Sep 2025 | Last commit: Jul 2026 | Unknown
tranquil-pds • @tranquil.farm ★ 165

Our Personal Data Server from scratch!

pds

Last release: Jul 2026 | Last commit: Aug 2026 | AGPL 3.0
jacquard • @nonbinary.computer (relative state form) ★ 163

A better Rust ATProto crate

xrpc client firehose oauth identity lexicons server moderation

Last release: Jun 2026 | Last commit: Jun 2026 | MPL 2.0
slices • @slices.network ★ 123

Highly ambitious ATProtocol AppView service and sdks

app tooling

Last release: Oct 2025 | Last commit: Oct 2025 | MIT
aip • @graze-social (Graze Social PBC) ★ 119

ATmosphere Authentication, Identity, and Permission Proxy

oauth

Last release: Jan 2026 | Last commit: Jan 2026 | MIT
happyview • @gamesgamesgamesgames.games (gamesgamesgamesgamesgames) ★ 116

A lexicon-driven AppView for ATProto.

app tooling

Last release: Aug 2026 | Last commit: Aug 2026 | MIT
pds-gatekeeper • @pds.dad ★ 105

Microservice to bring 2FA to self hosted PDSes

pds

Last release: – | Last commit: May 2026 | MIT
hydrant • @ptr.pet (dawn) ★ 93

very fast at protocol indexer with flexible filtering, xrpc queries, cursor-backed event stream, and more, built on fjall

indexer

Last release: – | Last commit: Aug 2026 | MIT
iftta • @graze-social (Graze Social PBC) ★ 75

AT Protocol automation service written in Rust

Last release: Sep 2025 | Last commit: Oct 2025 | MIT
parakeet • @parakeet.at ★ 73

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

bluesky appview

Last release: – | Last commit: May 2026 | MIT / Apache
supercell • @astrenoxcoop (The Astrenox Cooperative) ★ 67

A lightweight and configurable atproto feed generator.

feeds

Last release: Jan 2025 | Last commit: Jan 2025 | MIT
Allegedly • @microcosm.blue (microcosm) ★ 54

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

plc mirror

Last release: Sep 2025 | Last commit: Mar 2026 | MIT / Apache
smokesignal • @smokesignal.events ★ 53

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

atproto app

Last release: May 2025 | Last commit: Aug 2026 | MIT
jetstream-oxide • @videah ★ 53

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

firehose

Last release: Mar 2025 | Last commit: Apr 2025 | MIT
quickdid • @smokesignal.events ★ 42

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

identity

Last release: Sep 2025 | Last commit: Nov 2025 | MIT
query-engine • @skyfeed-dev ★ 37

Query Engine used by custom feeds created using the SkyFeed Builder

Last release: – | Last commit: May 2025 | AGPL 3.0
atproto-crates • @ngerakines.me ★ 33

A comprehensive collection of Rust components for creating AT Protocol applications

xrpc client identity firehose oauth server parsing crypto lexicons

Last release: Feb 2026 | Last commit: Aug 2026 | MIT
repo-stream • @microcosm.blue ★ 16

Fast and robust atproto CAR file processing in rust

parsing

Last release: Jan 2026 | Last commit: Jan 2026 | MIT / Apache
rocketman • @teal-fm (teal.fm) ★ 15

A modular(ish) jetstream consumer. Backed by Tungstenite.

firehose

Last release: – | Last commit: Apr 2026 | MIT
plc-mirror • @parakeet.at ★ 13

[ARCHIVED] A PLC Mirror written in Rust

plc mirror

Last release: – | Last commit: Oct 2025 | MIT / Apache
atproto-plc • @smokesignal.events ★ 9

Rust and WASM did-method-plc tools and structures

identity

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

Swift & ObjC

ATProtoKit • @MasterJ93 (Christopher Jr Riley) ★ 223

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

xrpc client firehose identity

Last release: Jul 2026 | Last commit: Jul 2026 | MIT
OAuthenticator • @ChimeHQ (Chime) ★ 100

OAuth 2.1 request authentication

oauth

Last release: Jan 2026 | Last commit: Jul 2026 | BSD 3 Clause
swift-atproto • @nnabeyang (noriaki watanabe) ★ 41

AT Protocol implementation in Swift

xrpc client identity lexicons

Last release: Aug 2026 | Last commit: Aug 2026 | MIT
CBOR • @khanwinter.com (Khan Winter) ★ 40

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

parsing

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

did:plc & atproto handle tracker

plc mirror

Last release: – | Last commit: Aug 2026 | MIT
Petrel • @joshlacal (Josh LaCalamito) ★ 16

Swift library for the ATProtocol and Bluesky, generated from Lexicons

xrpc client identity oauth lexicons

Last release: Jul 2026 | Last commit: Aug 2026 | MIT
ATCryptography • @ATProtoKit (The ATProtoKit Project) ★ 14

A Swift library providing cryptographic utilities for the AT Protocol.

crypto

Last release: Apr 2026 | Last commit: Jul 2026 | Apache 2.0
ATResolve • @mattmassicotte (Matt Massicotte) ★ 14

AT Protocol PLC Resolver

identity

Last release: Mar 2026 | Last commit: May 2026 | BSD 3 Clause
ATProtoFoundation • @tijs (Tijs Teulings) ★ 10

Swift package providing foundational types and utilities for AT Protocol (atproto) iOS applications

oauth

Last release: Nov 2025 | Last commit: Nov 2025 | MIT
ATAT • @mattmassicotte (Matt Massicotte) ★ 9

Little library for working with the AT Protocol

xrpc client

Last release: – | Last commit: Apr 2026 | 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: Aug 2026 | Last commit: Jul 2026 | MIT
ATCommonTools • @ATProtoKit (The ATProtoKit Project) ★ 8

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

Last release: Nov 2025 | Last commit: Jul 2026 | Apache 2.0
ATSyntaxTools • @ATProtoKit (The ATProtoKit Project) ★ 6

A Swift implementation of validation helpers for identifier strings.

Last release: Jul 2026 | Last commit: Jul 2026 | Apache 2.0
ATIdentityTools • @ATProtoKit (The ATProtoKit Project) ★ 5

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

identity

Last release: Apr 2026 | Last commit: Jul 2026 | Apache 2.0
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
bskyKit • @sparrowtek.com ★ 2

A Swift SDK for building Bluesky clients on Apple platforms

xrpc client

Last release: – | Last commit: Jul 2026 | MIT
CoreATProtocol • @sparrowtek.com ★ 2

A Swift package providing the foundational networking layer for interacting with the AT Protocol

xrpc client identity oauth

Last release: – | Last commit: Jul 2026 | MIT
MultiformatsKit • @ATProtoKit (The ATProtoKit Project) ★ 2

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

parsing

Last release: Mar 2026 | Last commit: Mar 2026 | Apache 2.0

Zig

zat • @zat.dev ★ 36

AT Protocol building blocks for zig

xrpc client identity firehose parsing crypto

Last release: Aug 2026 | Last commit: Aug 2026 | MIT
zlay • @zzstoatzz.io ★ 9

atproto relay implementation in zig

relay

Last release: – | Last commit: Jul 2026 | Unknown

Other

PSBluesky • @jdhitsolutions (Jeff Hicks) ★ 43

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: Nov 2025 | Last commit: Nov 2025 | MIT
atrrr • @JBGruber (Johannes Gruber) ★ 40

AT Protocol (Authenticated Transfer Protocol behind Bluesky) R package

xrpc client

Last release: Jun 2026 | Last commit: Jun 2026 | MIT
bskyr • @christopherkenny (Christopher T. Kenny) ★ 34

Interact with Bluesky Social from R

xrpc client

Last release: Oct 2025 | Last commit: Jul 2026 | MIT
gt4atproto • @feenkcom (feenk) ★ 24

A dedicated environment for AT Protocol build in Glamorous Toolkit.

xrpc client

Last release: – | Last commit: May 2026 | MIT
atproto-clj • @atproto-clj (ATProto Clojure SDK) ★ 20

ATProto Clojure SDK

xrpc client firehose identity

Last release: – | Last commit: Apr 2025 | MIT
atproto-fsharp • @Arrow7000 (Aron Adler) ★ 5

Idiomatic F# library for the AT Protocol (atproto/Bluesky)

xrpc client identity firehose oauth server feeds lexicons crypto moderation

Last release: Mar 2026 | Last commit: Mar 2026 | MIT

[sdk.blue]

Libraries, tools & services for the AT Protocol

C#

C/C++

Dart

Elixir

Gleam

Go

JavaScript

Kotlin

OCaml

Perl

PHP

Python

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