A framework for building native apps with React.

Sentry is cross-platform application monitoring, with a focus on error reporting.

Automatic documentation generator for ESLint plugins and rules.

✨ Turn your OpenAPI specification into a beautiful TypeScript client

OpenTelemetry JavaScript Client

📦🚀 Fully automated version management and package publishing

An open-source platform for making universal native apps with React. Expo runs on Android, iOS, and the web.

GraphQL code generator with flexible support for custom plugins and templates

Babel is a compiler for writing next generation JavaScript.

A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows for loading parts of the application on demand. Through "loaders", modules can be CommonJs,…

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many mo…

Don't Roll Your Own Crypto: pure-Rust, hard to misuse cryptography library

Node.js JavaScript runtime ✨🐢🚀✨

Grafana Tempo is a high volume, minimal dependency distributed tracing backend.

🃏 Painless JavaScript Testing.

OpenTelemetry Ruby API & SDK, and related gems

The OpenTelemetry website and documentation

Easy to maintain open source documentation websites.

React Native's Animated library reimplemented

Property based testing framework for JavaScript (like QuickCheck) written in TypeScript

The Grafana Faro Web SDK, part of the Grafana Faro project, is a highly configurable web SDK for real user monitoring (RUM) that instruments browser frontend applications to capture observability s…

A Jest transformer with source map support that lets you use Jest to test projects written in TypeScript.

GraphiQL & the GraphQL LSP Reference Ecosystem for building browser & IDE tools.