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
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
Sort:Used by Most Apps
75Health
Library
npm
file-type
Detect the file type of a buffer, stream, or file by reading its magic number.
4,326
MIT
Used by 44
45Health
Library
npm
ffmpeg-static
Resolve static ffmpeg and ffprobe binary paths for macOS, Linux, and Windows in Node.js — no system install required.
1,392
GPL 3.0
Used by 6
53Health
Library
Go
filetype
Fast, dependency-free Go library that detects file and MIME types from magic number signatures.
2,299
MIT
Used by 4
34Health
Library
npm
blob-util
Small cross-browser utilities for converting Blobs to and from base64 strings, ArrayBuffers, data URLs, and canvas images.
509
Apache 2.0
Used by 1