# Proa ecosystem

> Applications, reference showcases, and developer tools built with Proa.

## Applications and showcases

- [latency\.so](https://latency.so): Production site built with Proa
- [Playground Console](/playground): Live Proa playground and benchmark console
- [GitHub PR diff recreation](/showcase/github-pr-diff): Reference recreation \- not affiliated with GitHub
- [Airbnb showcase recreation](/showcase/airbnb/proa): Reference recreation \- not affiliated with Airbnb
- [Nike showcase recreation](/showcase/nike/proa): Reference recreation \- not affiliated with Nike
- [ESPN box score recreation](/showcase/espn/proa): Reference recreation \- not affiliated with ESPN
- [Sentry OpenTelemetry recreation](/showcase/sentry-otel/proa): Reference recreation \- not affiliated with Sentry


## Developer tools

- [proa\_core](/docs/core): Composable, typed components across HTML, Markdown, and other render targets, with template macros, escaping, and class lists\.
- [Proa UI](https://ui.proa.so): Source\-owned Rust UI components for Proa apps, split between free primitives and paid Pro product surfaces\.
- [rsjs](/docs/framework): Rust\-authored islands compiled into tiny vanilla JavaScript with typed signals, handlers, queries, and props\.
- [proa\_framework\_axum](/docs/framework): Axum integration with routing, streaming SSR, request data, static assets, typed actions, security headers, and response finalization\.
- [proa CLI](/docs/cli): Project scaffolding, component/layout/data generators, html macro formatting, template linting, and site checks\.
- [proa\_docs \+ proa\_docs\_build](/docs/proa-docs): MDX content collections, meta\.json navigation, generated docs registries, search indexes, TOC, and pager data\.
- [proa\_codegen](/docs/framework): Product\-neutral TypeScript generation from an explicit component metadata manifest\.
- [proa\_react](/docs/framework): React/JSX interop helpers for island bootstrapping, serialized props, and compatibility surfaces\.
- [wellformed](https://github.com/hariria/wellformed): Portable validation schemas authored once and evaluated with the same rules in TypeScript and Rust\.
- [proa\_og](/docs): Open Graph image generation from Proa\-rendered HTML using a real browser engine and PNG output\.