Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
All Packages
Category
Sort:Used by Most Apps
expiry-map
A drop-in Map implementation where entries automatically expire and free memory after a set TTL.
is-touch-device
Detects whether the current JavaScript environment supports touch input in browsers.
packageurl-python
Python library to parse and build Package URLs (purl).
error-stack-parser-es
A lightweight, cross-browser Error.stack parser rewritten in TypeScript with native ES modules and a smaller lite API.
imagesize
Reads image dimensions from 25+ formats by parsing just the header bytes, no full decode required.
LitEmoji
A PHP library that converts emoji between unicode, HTML entities, and shortcodes.
fd-lock
Advisory cross-platform file locks in Rust using file descriptors.
html2docx
Convert HTML strings and files into Word DOCX documents from Python.
@microsoft/agents-activity
TypeScript types and Zod validators implementing Microsoft's Activity Protocol for building conversational agents.
vmm-sys-util
Safe Rust wrappers around low-level Linux syscalls for building virtual machine monitors
machineid-rs
Build a unique, encrypted machine ID (HWID) in Rust from customizable hardware and OS components.
@dr.pogodin/react-helmet
Thread-safe document head management for React 19 with tag deduplication, SSR support, and SEO tag prioritization.
Flask-Talisman
A small Flask extension that sets HTTP security headers to protect apps from XSS, clickjacking, and downgrade attacks.
hannoy
A production-ready, key-value-backed HNSW vector search implementation in Rust using LMDB.
httpx-socks
SOCKS4, SOCKS5, and HTTP CONNECT proxy transports for the httpx client.
pathlib2
A backport of Python's standard-library pathlib module for object-oriented filesystem paths on older or mixed Python versions.
rust-petname
Generate human-readable random names like remarkably-striking-cricket, as a Rust library or CLI, with built-in English, Turkish, and Luxembourgish word lists.
tree-sitter-elm
A tree-sitter grammar for the Elm programming language
brotli-asgi
Brotli response-compression middleware for ASGI apps like Starlette and FastAPI
country-code-lookup
Look up countries by FIPS, ISO 3166-1 alpha-2/alpha-3/numeric, or internet TLD codes in Node.js.
lru-cache
A fixed-capacity least-recently-used cache for Rust, built on a linked hash map with O(1) inserts, lookups, and evictions.
pydantic-avro
Convert Pydantic models to Avro schemas and generate Pydantic code from Avro schemas
tree-sitter-powershell
A tree-sitter grammar for parsing PowerShell scripts, including obfuscated malware samples, with bindings for Rust, Node, Python, Go, C, and Swift.
@fastify/etag
A Fastify plugin that automatically generates HTTP ETags and replies 304 Not Modified when a request's If-None-Match header matches.
