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

Kind1
Library4824 SDK549 Tool342 Framework214
Category1
Utilities Ids Helpers1293 Serialization Data Formats487 UI Component Libraries383 Cli Terminal323 Authentication Authorization289 Cryptography Hashing259 Web Frameworks API Servers246 Build Tools Bundlers227 Image Media Processing213 Cloud Sdks200 Database Drivers Clients200 Async Concurrency Runtimes194
Tags1
React667 Python638 Javascript591 Rust485 Typescript408 Hacktoberfest308 PHP304 Nodejs280 Parser224 JSON205 Laravel203 Go192
Sort:Used by Most Apps
Used by Most Apps Health Score Most Stars A-Z
Showing 6 of 5929 packages
Tool Cli Terminal Nodejs Clear all
94Health
Tool npm

nest-cli

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

2,197
MIT
Used by 19
90Health
Tool npm

verdaccio

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

17,881
MIT
Used by 7
98Health
Tool npm

npm

The default command-line package manager for Node.js and the JavaScript ecosystem

10,114
Used by 5
90Health
Tool npm

moon

A Rust-based build system and monorepo orchestrator that manages toolchains, tasks, caching, and CI pipelines across the JavaScript, TypeScript, and polyglot ecosystem.

4,100
MIT
Used by 2
74Health
Tool npm

memlab

Meta's end-to-end framework for finding JavaScript memory leaks and analyzing heap snapshots

5,047
MIT
Used by 1
87Health
Tool npm

Repomix

Packs an entire repository into a single AI-friendly file, complete with token counts, secret scanning, and an MCP server for direct AI assistant access.

28,391
MIT

Join founders buildingwith open source

Opinionated takes, migration guides, cost-saving tips, and insights from the open source ecosystem.

Subscribe on Substack
Join 750+ subscribers