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

36Health
Library npm

concat-stream

A tiny writable stream that buffers everything written to it and hands you back a single Buffer, string, or array.

574
MIT
Used by 3
68Health
Library Cargo

Either

A general-purpose Left/Right sum type for Rust with Iterator, Read, and Write support

562
Apache 2.0
Used by 3
77Health
Library npm

re2

Node.js bindings for Google's RE2 engine — a linear-time, ReDoS-safe drop-in replacement for JavaScript's RegExp.

562
BSD 3
Used by 3
47Health
Library npm

docusaurus-lunr-search

Offline, client-side full-text search for Docusaurus sites, powered by Lunr.js.

558
MIT
Used by 3
69Health
Library Cargo

tikv-jemallocator

Drop-in jemalloc global allocator for Rust programs that need lower fragmentation and faster multi-threaded allocation

550
Other
Used by 3
40Health
Library PyPI

mock

The rolling backport of Python's unittest.mock library

537
Other
Used by 3
82Health
Library Composer

Symfony Doctrine Messenger

The Doctrine DBAL bridge that lets Symfony Messenger use a database as a queue.

532
MIT
Used by 3
70Health
Library npm

noble-ed25519

A 5KB, audited, dependency-free TypeScript implementation of Ed25519 EdDSA signatures for Node, browsers, and Deno.

522
MIT
Used by 3
86Health
Library Composer

Symfony Lock

A PHP locking component providing exclusive-access locks backed by Redis, databases, filesystem, semaphores, or in-memory stores.

516
MIT
Used by 3
87Health
Library npm

monaco-vscode-api

Plugs VSCode's real service layer and extension API into the standalone Monaco editor.

514
MIT
Used by 3
72Health
Library npm

argparse

A faithful JS port of Python's argparse — sub-commands, auto-generated help, and typed CLI arguments for Node.js.

512
Other
Used by 3
33Health
Library PyPI

Nano ID (Python)

A tiny, cryptographically secure, URL-friendly unique string ID generator for Python, the Python port of JavaScript's Nano ID.

512
MIT
Used by 3
60Health
Library Go

pro-bing

A Go library for ICMP echo (ping) and HTTP probing with concurrent-safe callbacks and cross-platform privilege handling.

510
MIT
Used by 3
65Health
SDK npm

azure-devops-node-api

Microsoft's official Node.js client for the Azure DevOps and TFS REST APIs

503
MIT
Used by 3
64Health
SDK npm

postman-collection

The official Node.js SDK for building and manipulating Postman Collection format objects

499
Apache 2.0
Used by 3
83Health
Library PyPI

python-json-patch

A lightweight Python library for creating and applying JSON Patch (RFC 6902) operations to any JSON-like document.

497
BSD 3
Used by 3
41Health
Tool PyPI

pytest-docker

Pytest fixtures that spin up Docker Compose services for integration tests, then tear them down automatically.

489
MIT
Used by 3
36Health
Library PyPI

python-rsa

Pure-Python RSA library for key generation, PKCS#1 encryption, decryption, signing, and verification, with no C extensions required.

489
Apache 2.0
Used by 3
68Health
Framework npm

nest-commander

nest-commander lets NestJS developers build command-line apps using the same decorators, DI, and modules as their web services.

485
MIT
Used by 3
81Health
Library npm

react-native-zip-archive

Native zip and unzip for React Native and Expo — password-protected archives, selective extraction, and cancellable operations on iOS and Android.

483
MIT
Used by 3
34Health
Library npm

node-http-status

TypeScript utility mapping HTTP status codes to names, messages, and classes, with ESM and CommonJS support.

482
BSD 3
Used by 3
74Health
Library PyPI

jwcrypto

Python implementation of the full JOSE specification set for JSON Web Signing, Encryption, Keys, and Tokens.

477
Other
Used by 3
44Health
Library Cargo

ulid-rs

A Rust implementation of ULID — Universally Unique Lexicographically Sortable Identifiers

476
MIT
Used by 3
80Health
Library PyPI

xxhash

Fast Python bindings for the xxHash non-cryptographic hashing algorithm

466
Other
Used by 3

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