Block Open Source
@blockOrganizationOpen Source at Block, Inc.
Top repositories by stars
- block/goose
an open source, extensible AI agent that goes beyond code suggestions - install, execute, edit, and test with any LLM
Rust30,605 - block/radiography
Text-ray goggles for your Android UI.
Kotlin880 - block/trailblaze
AI-driven mobile testing framework.
Kotlin211 - block/spirit
Online Schema Change Tool for MySQL 8.0+
Go177 - block/quiver
Quiver is a collection of extension methods and handy functions to make the wonderful functional programming Kotlin library, Arrow, even better.
Kotlin156 - block/rce-agent
gRPC-based Remote Command Execution Agent
Go148 - block/stoic
Run code within any debuggable Android process, without modifying its APK
Kotlin128 - block/spincycle
Automate and expose complex infrastructure tasks to teams and services.
Go122 - block/goose-mobile
website
Swift106 - block/ftl
FTL is a platform for building distributed systems that are safe to operate, easy to reason about, and fast to iterate and develop on.
Go89 - TypeScript76
- block/blip
Sublime MySQL monitoring
Go72 - block/elasticgraph
Schema-driven, scalable, cloud-native, batteries-included GraphQL, backed by Elasticsearch/OpenSearch
Ruby66 - TypeScript64
- block/ai-rules
Manage AI rules, commands, and skills across multiple coding agents from one place.
Rust63 - Python45
- block/xcode-index-mcp
Give AI agents access to Xcode's index
Swift45 - block/kotlin-formatter
A CLI and IntelliJ IDEA plugin for formatting Kotlin code, leveraging ktfmt for consistent style enforcement.
Kotlin44 - Python41
- block/nostrino
A Kotlin SDK for Nostr
Kotlin40 - block/finch
MySQL Benchmarking: Declarative, Distributed, and Amazing
Go37 - block/kfsm
Finite state machinery in Kotlin
Kotlin31 - block/agent-task-queue
Local task queuing for AI agents. Prevents multiple agents from running expensive operations concurrently and thrashing your machine.
Python28 - block/goose-plugins
*Sunsetting*: this repo contained plugins for the alpha version of goose. These plugins have been replaced by the MCP protocol
Python27 - block/etre
Entity API for managing primitive entities with labels
Go22 - TypeScript20
- block/ide-metrics-plugin
IntelliJ and Gradle plugins to gather and report IDE metrics
Kotlin18 - block/bitcoin-augur
Mempool-based bitcoin fee estimation library
Kotlin17 - block/ln-invoice
Parse lightning network payment requests (invoices) in Kotlin.
Kotlin17 - block/cachew
Cachew (pronounced cashew) is a super-fast application-level pass-through cache
Go13 - block/sf-deity
sf-deity is a data-recovery testing solution presented by the Cash App Salesforce Team at Block. This tool allows a Salesforce team to simulate data loss at a massive scale to determine necessary remediation steps in the event of catastrophe.
Apex13 - block/frfr
high-confidence document q+a system for complex docs
Go11 - block/ai-migrate
LLM-powered code migrations at scale
Python11 - block/scaffolder
A general-purpose project scaffolding tool inspired by cookiecutter
Go10 - block/artifact-swap
A system for speeding up Gradle builds and IDE syncs by swapping artifacts to be used instead of gradle projects
Kotlin9 - block/ospo
Code monorepo, issue tracking and other GitHub features for the Block Open Source Program Office
Astro9 - block/uuidv7
A Minimal UUID v7 Implementation
Swift7 - block/shnip
a versatile code snippet extraction tool
TypeScript6 - block/goose-discord
Agent Honk: A Goose discord bot that honks.
Python5 - block/polt
Modern MySQL Archiver in GO
Go5 - block/gradle-monorepo-ij-plugin
InteliJ Plugin for working with Gradle monorepos
Kotlin5 - Dart5
- block/square-mcp
Square Model Context Protocol Server
Python4 - block/wt
A set of command line tools to help working with Bazel + IntelliJ-based AI worktrees in large codebases
Shell3 - block/verdikt
A type-safe Kotlin Multiplatform rules engine with composable rules, coroutine support, and observability.
Kotlin3 - block/client-for-vantage
An SDK for interacting with the Vantage API, works with various Vantage API endpoints, provides type safety via codegen Pydantic classes and manages pagination
Python3 - block/bitty-city
Business process for Bitcoin withdrawals from Custodial platforms (such as Square and Cash App)
Kotlin3 - block/checks4shell
A command line tool aim to simplify the process of making command line execution feedback up to GitHub commit via its Checks API.
Go3 - block/bitcoin-augur-reference
Reference usage of augur, a mempool-based bitcoin fee estimation library
Kotlin3 - block/mdx-daemon-plugin
An IDE plugin for Android Studio that integrates with the MDX Daemon, a background task runner designed to improve local Android developer performance.
Kotlin3 - block/builderbot
Incubating experimental AI projects to operate millions of lines of code
Rust2 - block/aittributor
AIttributor is a prepare-commit-msg hook that adds AI agent attribution to git commits
Rust2 - block/agent-skills
A marketplace for agent skills
JavaScript2 - block/bergr
Bergr is a lightweight utility for inspecting Apache Iceberg tables
Rust2 - block/voice-pixels
a voice powered image editor
TypeScript2 - block/iterable-go
A Go (Golang) client library for integrating your applications with the Iterable API.
Go2 - block/domain-api
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.
Kotlin2 - block/diffweave-ai
Generate meaningful Git commit messages using large language models (LLMs)
Python2 - block/example-jvm-maven
Example to bootstrap new Java Kotlin Maven Projects
Shell2 - block/oss-project-template
A blank template for bootstrapping new projects, platform/language/framework independent
2 - block/hermit-ftl
Hermit FTL packages
HCL2 - block/thread-manager-for-amp
A local web UI for managing Amp AI coding agent threads.
TypeScript1 - block/chief
A CLI for running agents in a loop.
1 - block/builder-syndicate
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.
Kotlin1 - block/opensource.block.xyz
Source for opensource.block.xyz
Astro1 - block/protobuf.js
Protocol Buffers for JavaScript & TypeScript.
JavaScript1 - block/assured-methodology
Documentation site for security event triage
MDX1 - block/goose-mobile-demo-personal-shopper
PersonalShopper service POC - built on Goose, Goose Mobile, Afterpay MCP and more
TypeScript1 - block/renovate-config
Shared configuration for Renovate across the Block Org
1 - block/ftl-charts
Helm charts for FTL
Mustache1 - block/homebrew-ftl
Homebrew tap for FTL
Ruby1 - block/java-client-for-ld
A pure java implementation of the LaunchDarkly client/mobile APIs
0 - block/lhm
Merges global and repo lefthook configs
Rust0 - block/francis
A Kotlin-based CLI for A/B performance testing on Android
Kotlin0 - block/braindump
A utility for dumping agent logs in a standard format
Go0 - block/plug-and-play-template
Video template for devrel team plug and plays
TypeScript0 - block/getit
A Go library for fetching remote archives using a clean consistent URI scheme
Go0 - block/rp1
Ready Player One - framework for structured agent steering and orchestration
0 - block/sampling-go
A high-performance, hash-based sampling library for Go.
Go0 - block/deplock
Python package for parsing lock files
Python0 - Ruby0
- block/ftl-online-boutique-example
FTL Online Boutique Example
Dart0 - block/ftl-mysql-auth-proxy
Proxy that can handle the authentication parts of the MySQL protocol
Go0 - block/ftl-golang-tools
[mirror] Go Tools
Go0