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Block Open Source

Open Source at Block, Inc.
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  1. radiography radiography Public

    Text-ray goggles for your Android UI.

    Kotlin 878 45

  2. goose goose Public

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

    Rust 24.7k 2.2k

  3. 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 152 10

  4. 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 89 11

  5. elasticgraph elasticgraph Public

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

    Ruby 63 18

  6. kotlin-formatter kotlin-formatter Public

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

    Kotlin 35 7

Repositories

Showing 10 of 76 repositories
  • 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 24,744 Apache-2.0 2,204 152 (10 issues need help) 51 Updated Dec 19, 2025
  • 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 5 Updated Dec 19, 2025
  • ide-metrics-plugin Public

    IntelliJ and Gradle plugins to gather and report IDE metrics

    block/ide-metrics-plugin’s past year of commit activity
    Kotlin 16 Apache-2.0 0 0 0 Updated Dec 19, 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 0 Updated Dec 19, 2025
  • ai-rules Public
    block/ai-rules’s past year of commit activity
    Rust 24 Apache-2.0 5 2 1 Updated Dec 19, 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 6 Apache-2.0 3 1 6 Updated Dec 18, 2025
  • trailblaze Public

    AI-driven mobile testing framework.

    block/trailblaze’s past year of commit activity
    Kotlin 173 Apache-2.0 7 15 0 Updated Dec 18, 2025
  • nostrino Public

    A Kotlin SDK for Nostr

    block/nostrino’s past year of commit activity
    Kotlin 36 Apache-2.0 3 11 2 Updated Dec 18, 2025
  • elasticgraph Public

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

    block/elasticgraph’s past year of commit activity
    Ruby 63 MIT 18 8 (1 issue needs help) 7 Updated Dec 18, 2025
  • client-for-vantage Public

    An SDK for interacting with the Vantage API, works with various Vantage API endpoints, provides type safety via codegen Pydantic classes and manages pagination

    block/client-for-vantage’s past year of commit activity
    Python 2 Apache-2.0 0 0 0 Updated Dec 18, 2025
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