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Block Open Source

Open Source at Block, Inc.
README.md

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  1. radiography radiography Public

    Text-ray goggles for your Android UI.

    Kotlin 881 47

  2. goose goose Public

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

    Rust 29.4k 2.6k

  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 156 10

  4. elasticgraph elasticgraph Public

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

    Ruby 64 18

  5. kotlin-formatter kotlin-formatter Public

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

    Kotlin 38 7

Repositories

Showing 10 of 80 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 29,373 Apache-2.0 2,646 234 (7 issues need help) 95 Updated Jan 28, 2026
  • cachew Public

    Cachew (pronounced cashew) is a super-fast pass-through cache

    block/cachew’s past year of commit activity
    Go 11 Apache-2.0 1 9 3 Updated Jan 28, 2026
  • Agent-Skills Public

    A marketplace for agent skills

    block/Agent-Skills’s past year of commit activity
    JavaScript 0 Apache-2.0 0 1 0 Updated Jan 27, 2026
  • kfsm Public

    Finite state machinery in Kotlin

    block/kfsm’s past year of commit activity
    Kotlin 31 Apache-2.0 1 1 1 Updated Jan 28, 2026
  • 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 8 Apache-2.0 3 1 9 Updated Jan 27, 2026
  • trailblaze Public

    AI-driven mobile testing framework.

    block/trailblaze’s past year of commit activity
    Kotlin 204 Apache-2.0 8 15 0 Updated Jan 27, 2026
  • agent-task-queue Public

    Local task queuing for AI agents. Prevents multiple agents from running expensive operations concurrently and thrashing your machine.

    block/agent-task-queue’s past year of commit activity
    Python 19 Apache-2.0 2 1 0 Updated Jan 28, 2026
  • 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 3 Apache-2.0 1 1 3 Updated Jan 27, 2026
  • elasticgraph Public

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

    block/elasticgraph’s past year of commit activity
    Ruby 64 MIT 18 9 (1 issue needs help) 0 Updated Jan 27, 2026
  • ai-rules Public

    Manage AI rules, commands, and skills across multiple coding agents from one place.

    block/ai-rules’s past year of commit activity
    Rust 54 Apache-2.0 8 3 4 Updated Jan 27, 2026
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Most used topics

android mysql