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

85Health
Framework npm

Express

The fast, unopinionated, minimalist web framework for Node.js

69,493
MIT
Used by 158
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
97Health
Framework npm

Electron

Build cross-platform desktop apps with JavaScript, HTML, and CSS on Chromium and Node.js

123,289
MIT
Used by 69
90Health
Framework npm

Hono

A small, ultrafast web framework built on Web Standards that runs identically everywhere.

32,364
MIT
Used by 60
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
94Health
Tool npm

mocha

The classic, battle-tested JavaScript test framework for Node.js and the browser, built around flexible async testing and pluggable reporters.

22,896
MIT
Used by 30
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
92Health
Framework npm

NestJS

A progressive Node.js framework for building efficient, scalable, and maintainable server-side applications in TypeScript.

76,743
MIT
Used by 27
83Health
Tool npm

svgo

A Node.js library and command-line tool that optimizes SVG files by removing redundant markup through a configurable plugin pipeline.

22,703
MIT
Used by 23
93Health
Tool npm

nest-cli

Scaffolds, builds, and serves NestJS applications through schematics-driven code generation and pluggable compiler backends.

2,199
MIT
Used by 19
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
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
86Health
Tool npm

js-beautify

Reformats and re-indents JavaScript, HTML, and CSS into clean, readable code

8,999
MIT
Used by 11
62Health
Tool npm

jest-junit

A Jest reporter that converts test results into JUnit-compatible XML for CI dashboards and test-analytics tools.

502
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
90Health
Framework npm

Mastra Core

The TypeScript framework for building AI agents, workflows, and RAG apps with unified access to 40+ LLM providers.

28,377
Apache 2.0
Used by 8
91Health
Tool npm

verdaccio

A lightweight, zero-config-required private npm registry with built-in caching and proxying of public registries.

17,898
MIT
Used by 7
92Health
Tool npm

Redux DevTools Extension

Store enhancer that connects Redux apps to the Redux DevTools browser extension

14,368
MIT
Used by 7
81Health
Framework npm

grammY

The modern TypeScript framework for building Telegram bots on Node.js and Deno

3,757
MIT
Used by 6
83Health
Tool npm

quicktype

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

13,877
Apache 2.0
Used by 5

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