Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

All Packages

91Health
Tool npm

prettier

An opinionated code formatter that enforces consistent style across every language your project speaks.

52,316
MIT
Used by 310
95Health
Framework Cargo

Tokio

The async runtime powering most of Rust's networked, concurrent, and I/O-bound applications.

33,257
MIT
Used by 96
91Health
Framework PyPI

FastAPI

A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.

102,676
MIT
Used by 78
90Health
Tool npm

SWC

Rust-based JavaScript/TypeScript compiler, a drop-in super-fast alternative to Babel

34,208
Apache 2.0
Used by 56
90Health
Tool PyPI

Ruff

An extremely fast Python linter and code formatter, written in Rust, built as a drop-in replacement for Flake8, Black, isort, and dozens of plugins.

49,811
MIT
Used by 46
91Health
Framework Cargo

Tauri

Build tiny, fast, and secure desktop and mobile apps with a Rust backend and a web frontend.

111,435
Apache 2.0
Used by 42
92Health
Framework Cargo

axum

Ergonomic and modular HTTP routing and request-handling framework for Rust, built on Tokio, Hyper, and Tower.

27,254
MIT
Used by 28
91Health
Framework npm

Fastify

A fast and low-overhead web framework for Node.js, built around schema-based validation and a plugin architecture

37,205
MIT
Used by 25
92Health
Framework Go

urfave/cli

A declarative, dependency-free Go package for building fast, friendly command-line tools.

24,260
MIT
Used by 17
93Health
Tool npm

sentry-cli

Official command-line tool for uploading source maps, debug symbols, and managing releases and deploys in Sentry.

1,043
Other
Used by 17
83Health
Tool npm

openapi-ts

OpenAPI-to-TypeScript code generator producing production-grade SDKs, Zod schemas, and TanStack Query hooks.

5,450
MIT
Used by 14
89Health
Framework Cargo

napi-rs

Build precompiled Node.js add-ons in Rust via Node-API, no node-gyp required

7,950
MIT
Used by 13
91Health
Tool npm

Rspack CLI

The official command-line interface for running Rspack builds, dev servers, and previews.

12,930
MIT
Used by 12
93Health
Tool Cargo

wasm-bindgen

Rust-JavaScript interop toolchain that generates the glue code needed to compile Rust to WebAssembly and call it from JS

9,159
Apache 2.0
Used by 11
91Health
Framework Cargo

Actix Web

A powerful, pragmatic, and extremely fast web framework for Rust

24,846
Other
Used by 9
83Health
Tool npm

quicktype

Generate strongly-typed models and serializers from JSON, Schema, TypeScript, or GraphQL

13,877
Apache 2.0
Used by 5
94Health
Tool Go

Open Policy Agent (OPA)

Open source policy engine for unified authorization and compliance decisions across your stack.

12,280
Apache 2.0
Used by 5
86Health
Tool PyPI

Granian

A fast Rust HTTP server for Python that serves ASGI, WSGI, and RSGI applications

5,675
BSD 3
Used by 5
81Health
Tool npm

fallow

Rust-native static analysis for TypeScript and JavaScript that finds dead code, duplication, cycles, and architecture drift with no compiler or AI in the loop.

4,929
MIT
Used by 3
79Health
Tool Go

gojq

A pure Go implementation of jq for querying and transforming JSON and YAML, usable as a CLI or embedded as a Go library.

3,807
MIT
Used by 3
76Health
Tool npm

eslint-plugin-jsonc

ESLint plugin that applies JavaScript-style linting, auto-fixing, and formatting rules to JSON, JSONC, and JSON5 files.

240
MIT
Used by 3
92Health
Tool Cargo

Deno

Secure-by-default JavaScript and TypeScript runtime built in Rust on V8

108,540
MIT
Used by 2
52Health
Framework Cargo

Rocket

An async web framework for Rust that uses type-safe macros for routing, request guards, and fairings to catch invalid requests before your handlers run.

25,782
Other
Used by 2
84Health
Tool PyPI

ty

An extremely fast Python type checker and language server written in Rust.

19,759
MIT
Used by 2

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