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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 885 49

  2. 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 160 11

  3. elasticgraph elasticgraph Public

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

    Ruby 72 27

  4. kotlin-formatter kotlin-formatter Public

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

    Kotlin 47 10

Repositories

Showing 10 of 108 repositories
  • ghost Public

    A design language perception and infrastructure

    block/ghost’s past year of commit activity
    TypeScript 1 Apache-2.0 0 1 0 Updated Apr 7, 2026
  • sprout Public

    A hive mind communication platform

    block/sprout’s past year of commit activity
    Rust 63 Apache-2.0 5 6 5 Updated Apr 7, 2026
  • goose2 Public

    This is a short lived repo to quickly scaffold some new UI/UX for goose

    block/goose2’s past year of commit activity
    TypeScript 3 Apache-2.0 3 1 5 Updated Apr 7, 2026
  • model-ledger Public

    A typed Python schema for model risk management (SR 11-7) with executable compliance profiles, structured observation tracking, and pluggable storage. Designed for AI agents to consume, traverse, and validate governance metadata.

    block/model-ledger’s past year of commit activity
    Python 4 Apache-2.0 0 1 0 Updated Apr 7, 2026
  • spirit Public

    Online schema change and data operations for MySQL 8.0+

    block/spirit’s past year of commit activity
    Go 179 Apache-2.0 30 20 (1 issue needs help) 2 Updated Apr 7, 2026
  • elasticgraph Public

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

    block/elasticgraph’s past year of commit activity
    Ruby 72 MIT 27 16 (1 issue needs help) 13 Updated Apr 7, 2026
  • builderbot Public

    Incubating experimental AI projects to operate millions of lines of code

    block/builderbot’s past year of commit activity
    Rust 14 Apache-2.0 7 6 17 Updated Apr 6, 2026
  • cachew Public

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

    block/cachew’s past year of commit activity
    Go 22 Apache-2.0 5 8 8 Updated Apr 6, 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 10 Updated Apr 6, 2026
  • coplan Public

    Planning With Agents

    block/coplan’s past year of commit activity
    Ruby 5 Apache-2.0 0 2 0 Updated Apr 6, 2026
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android mysql