Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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thread_local
Per-object thread-local storage for Rust, beyond the standard library's static thread_local! macro.
asn1crypto
A fast, pure Python library for parsing and serializing ASN.1 structures with a pythonic, high-performance API.
lit-analyzer
A CLI and TypeScript language-service plugin that type-checks lit-html template bindings before they hit the browser.
get-stream
Consume a Node.js or web stream into a string, Buffer, ArrayBuffer, or array
crc-32
A dependency-free JavaScript library for computing standard CRC-32 and CRC-32C checksums in Node.js and browsers.
LangChain AWS
Official LangChain integrations for Amazon Bedrock, SageMaker, and other AWS services.
backoff
Retry Rust operations with exponential backoff, for both sync and async code
ulidx
A lightweight, cryptographically-secure ULID generator for NodeJS, browsers, and edge runtimes.
Ar-PHP
Arabic-aware search, text processing, and presentation toolkit for PHP.
fs_extra
Expanded std::fs and std::io for Rust — recursive copy and move with progress reporting.
pydantic-extra-types
A collection of extra Pydantic v2 field types too niche for the core pydantic library.
express-basic-auth
Plug-and-play HTTP Basic Auth middleware for Express, with static users, custom authorizers, and timing-safe comparisons.
libsql
A better-sqlite3 compatible driver for libSQL, running local, remote, and embedded-replica databases
tree-sitter-bash
Incremental Bash/shell grammar for the tree-sitter parsing library
pytest-icdiff
A pytest plugin for clearer, colorized side-by-side assertion diffs.
portalocker
Cross-platform file locking for Python, with Redis-backed distributed locks built in.
react-accessible-treeview
A WAI-ARIA compliant React treeview component with full keyboard navigation, multi-select, and render-prop-based customization.
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.
nbformat
Reference implementation of the Jupyter Notebook JSON format
cbor
A Rust library that encodes and decodes CBOR binary data through Serde's Serialize and Deserialize traits, with optional no_std support.
deepmerge-ts
Type-safe deep merging for TypeScript objects, arrays, Maps, and Sets with a smart, high-performance merge strategy.
string-hash
A tiny, dependency-free string hashing function for fast, non-cryptographic hash generation in JavaScript.
supertokens-auth-react
Prebuilt, customizable React UI for SuperTokens authentication — login, signup, MFA, and session management out of the box.
node-pg-types
Converts raw PostgreSQL wire-protocol values into JavaScript types by OID, powering node-postgres query result parsing.