Block Open Source

Open Source at Block, Inc.

Block Open Source

Welcome to Block's Open Source GitHub organization. For now, the majority of our open source work is in our public organizations, including:

Archived organizations:

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radiography radiography Public

Text-ray goggles for your Android UI.

Kotlin 877 45
goose goose Public

an open source, extensible AI agent that goes beyond code suggestions - install, execute, edit, and test with any LLM

Rust 22.7k 2.1k
quiver quiver Public

Quiver is a collection of extension methods and handy functions to make the wonderful functional programming Kotlin library, Arrow, even better.

Kotlin 149 10
ftl ftl Public archive

FTL is a platform for building distributed systems that are safe to operate, easy to reason about, and fast to iterate and develop on.

Go 88 11
elasticgraph elasticgraph Public

Schema-driven, scalable, cloud-native, batteries-included GraphQL, backed by Elasticsearch/OpenSearch

Ruby 58 18
kotlin-formatter kotlin-formatter Public

A CLI and IntelliJ IDEA plugin for formatting Kotlin code, leveraging ktfmt for consistent style enforcement.

Kotlin 32 6

Repositories

bitty-city Public
Business process for Bitcoin withdrawals from Custodial platforms (such as Square and Cash App)

block/bitty-city’s past year of commit activity

Kotlin 1 Apache-2.0 1 1 2 Updated Dec 4, 2025
domain-api Public
A structured approach to implementing backend APIs for maximal client flexibility. It provides a framework for implementing domain-driven APIs that separate business logic from presentation concerns, making the code easier to test and reuse across different presentation layers.

block/domain-api’s past year of commit activity

Kotlin 0 Apache-2.0 0 0 0 Updated Dec 4, 2025
goose Public
an open source, extensible AI agent that goes beyond code suggestions - install, execute, edit, and test with any LLM

block/goose’s past year of commit activity

Rust 22,672 Apache-2.0 2,066 114 (9 issues need help) 75 Updated Dec 4, 2025
gradle-monorepo-ij-plugin Public
InteliJ Plugin for working with Gradle monorepos

block/gradle-monorepo-ij-plugin’s past year of commit activity

Kotlin 0 Apache-2.0 0 1 9 Updated Dec 4, 2025
nostrino Public
A Kotlin SDK for Nostr

block/nostrino’s past year of commit activity

Kotlin 35 Apache-2.0 3 11 1 Updated Dec 4, 2025
builder-syndicate Public
An enterprise knowledge aggregator that unifies links and internal posts so teams and individuals find what matters, stay current, and learn from each other faster.

block/builder-syndicate’s past year of commit activity

0 Apache-2.0 0 1 1 Updated Dec 4, 2025
artifact-swap Public
A system for speeding up Gradle builds and IDE syncs by swapping artifacts to be used instead of gradle projects

block/artifact-swap’s past year of commit activity

Kotlin 2 Apache-2.0 3 1 7 Updated Dec 3, 2025
example-jvm-maven Public template
Example to bootstrap new Java Kotlin Maven Projects

block/example-jvm-maven’s past year of commit activity

Shell 1 Apache-2.0 2 5 6 Updated Dec 3, 2025
xcode-index-mcp Public

block/xcode-index-mcp’s past year of commit activity

Swift 26 Apache-2.0 4 2 0 Updated Dec 3, 2025
ospo Public
Code monorepo, issue tracking and other GitHub features for the Block Open Source Program Office

block/ospo’s past year of commit activity

Astro 7 Apache-2.0 4 49 10 Updated Dec 3, 2025