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

45Health
Library Cargo

thread_local

Per-object thread-local storage for Rust, beyond the standard library's static thread_local! macro.

373
Other
Used by 3
68Health
Library PyPI

asn1crypto

A fast, pure Python library for parsing and serializing ASN.1 structures with a pythonic, high-performance API.

363
MIT
Used by 3
41Health
Tool npm

lit-analyzer

A CLI and TypeScript language-service plugin that type-checks lit-html template bindings before they hit the browser.

362
MIT
Used by 3
53Health
Library npm

get-stream

Consume a Node.js or web stream into a string, Buffer, ArrayBuffer, or array

360
MIT
Used by 3
32Health
Library npm

crc-32

A dependency-free JavaScript library for computing standard CRC-32 and CRC-32C checksums in Node.js and browsers.

352
Apache 2.0
Used by 3
91Health
SDK PyPI

LangChain AWS

Official LangChain integrations for Amazon Bedrock, SageMaker, and other AWS services.

351
MIT
Used by 3
36Health
Library Cargo

backoff

Retry Rust operations with exponential backoff, for both sync and async code

344
Other
Used by 3
35Health
Library npm

ulidx

A lightweight, cryptographically-secure ULID generator for NodeJS, browsers, and edge runtimes.

343
MIT
Used by 3
66Health
Library Composer

Ar-PHP

Arabic-aware search, text processing, and presentation toolkit for PHP.

340
Other
Used by 3
40Health
Library Cargo

fs_extra

Expanded std::fs and std::io for Rust — recursive copy and move with progress reporting.

338
MIT
Used by 3
84Health
Library PyPI

pydantic-extra-types

A collection of extra Pydantic v2 field types too niche for the core pydantic library.

338
MIT
Used by 3
37Health
Library npm

express-basic-auth

Plug-and-play HTTP Basic Auth middleware for Express, with static users, custom authorizers, and timing-safe comparisons.

334
MIT
Used by 3
79Health
Library npm

libsql

A better-sqlite3 compatible driver for libSQL, running local, remote, and embedded-replica databases

334
MIT
Used by 3
54Health
Library Cargo

tree-sitter-bash

Incremental Bash/shell grammar for the tree-sitter parsing library

331
MIT
Used by 3
30Health
Tool PyPI

pytest-icdiff

A pytest plugin for clearer, colorized side-by-side assertion diffs.

329
Other
Used by 3
79Health
Library PyPI

portalocker

Cross-platform file locking for Python, with Redis-backed distributed locks built in.

327
BSD 3
Used by 3
54Health
Library npm

react-accessible-treeview

A WAI-ARIA compliant React treeview component with full keyboard navigation, multi-select, and render-prop-based customization.

324
MIT
Used by 3
48Health
Library npm

rotating-file-stream

Opens a Node.js stream.Writable to a log file that rotates by size or time interval, with gzip compression and retention limits.

315
MIT
Used by 3
80Health
Library PyPI

nbformat

Reference implementation of the Jupyter Notebook JSON format

313
BSD 3
Used by 3
39Health
Library Cargo

cbor

A Rust library that encodes and decodes CBOR binary data through Serde's Serialize and Deserialize traits, with optional no_std support.

309
Apache 2.0
Used by 3
72Health
Library npm

deepmerge-ts

Type-safe deep merging for TypeScript objects, arrays, Maps, and Sets with a smart, high-performance merge strategy.

307
BSD 3
Used by 3
35Health
Library npm

string-hash

A tiny, dependency-free string hashing function for fast, non-cryptographic hash generation in JavaScript.

306
Other
Used by 3
66Health
SDK npm

supertokens-auth-react

Prebuilt, customizable React UI for SuperTokens authentication — login, signup, MFA, and session management out of the box.

305
Apache 2.0
Used by 3
38Health
Library npm

node-pg-types

Converts raw PostgreSQL wire-protocol values into JavaScript types by OID, powering node-postgres query result parsing.

302
MIT
Used by 3

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