# Block Open Source — developer ecosystem report

> Open Source at Block, Inc.

- GitHub org: `block`
- Category: dev_tool
- Overall score: 53.0 / 100
- Overall rank: #174
- Last refreshed: 2026-08-13

## Pillar scores

| Pillar | Score / 100 | Rank | Weight in overall |
| --- | --- | --- | --- |
| Code & Polish | 70.0 | #105 | ~22% |
| Education | 89.0 | #2 | ~18% |
| AI readiness | 45.0 | #238 | part of Reach |
| Builder experience | 0.0 | #1 | ~12% |
| Community | 51.0 | #143 | ~16% |
| Reach | 51.0 | #298 | ~18% |
| Momentum | 50.0 | #222 | ~14% |

## Links

- GitHub: https://github.com/block
- Website: https://opensource.block.xyz

## Public GitHub totals

| Metric | Value |
| --- | --- |
| Repos analyzed | 12 |
| Stars | 30,758 |
| Forks | 4,045 |
| Open issues | 3,136 |
| Contributors | — |

## Top repositories

| Repo | Stars | Language | Description |
| --- | --- | --- | --- |
| [buzz](https://github.com/block/buzz) | 27,131 | Rust | A hive mind communication platform |
| [radiography](https://github.com/block/radiography) | 896 | Kotlin | Text-ray goggles for your Android UI. |
| [trailblaze](https://github.com/block/trailblaze) | 292 | Kotlin | 🥾 AI-Driven UI Testing Framework with Recorded Trails |
| [spirit](https://github.com/block/spirit) | 197 | Go | Online schema change and data operations for MySQL 8.0+ |
| [quiver](https://github.com/block/quiver) | 164 | Kotlin | Quiver is a collection of extension methods and handy functions to make the wonderful functional programming Kotlin libr |
| [rce-agent](https://github.com/block/rce-agent) | 151 | Go | gRPC-based Remote Command Execution Agent |
| [stoic](https://github.com/block/stoic) | 139 | Kotlin | Run code within any debuggable Android process, without modifying its APK |
| [spincycle](https://github.com/block/spincycle) | 124 | Go | Automate and expose complex infrastructure tasks to teams and services. |
| [ai-rules](https://github.com/block/ai-rules) | 122 | Rust | Manage AI rules, commands, and skills across multiple coding agents from one place. |
| [codecrucible](https://github.com/block/codecrucible) | 109 | Go | A purpose-built Go CLI tool that analyses Git repositories for security vulnerabilities using LLM-based analysis |
| [mcp-council-of-mine](https://github.com/block/mcp-council-of-mine) | 93 | Python | — |
| [elasticgraph](https://github.com/block/elasticgraph) | 82 | Ruby | Schema-driven, scalable, cloud-native, batteries-included GraphQL, backed by Elasticsearch/OpenSearch |

## Methodology

Scores are computed from public signals only (GitHub, package registries, docs sites, community platforms). Pillar definitions: https://www.smoower.com/docs.md

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