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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Mousetrap
A simple, dependency-free JavaScript library for binding keyboard shortcuts
node-cron
A lightweight Node.js library for scheduling jobs on cron expressions, dates, or Luxon DateTimes, with built-in time zone support.
napi-rs
Build precompiled Node.js add-ons in Rust via Node-API, no node-gyp required
decimal
Arbitrary-precision fixed-point decimal numbers for Go, built to avoid the rounding errors of float64 in money and financial math.
Watchdog
A Python API and shell utilities for monitoring filesystem events across platforms
vue-chartjs
A Vue.js wrapper for Chart.js that turns chart configs into reusable, reactive chart components.
@notionhq/client
The official JavaScript and TypeScript client for the Notion API, with typed methods for every endpoint.
Authlib
The ultimate Python library for building OAuth 1/2 and OpenID Connect clients and servers.
MCP Go SDK
The official Go SDK for building Model Context Protocol servers and clients, maintained in collaboration with Google.
prost
A Protocol Buffers implementation for Rust that generates simple, idiomatic types via derive macros.
prometheus-client
The official Python instrumentation library for exposing Prometheus metrics
next-intl
Type-safe internationalization for Next.js, built for App Router, Server Components, and static rendering.
react-rnd
A resizable and draggable React component with fine-grained control over size, position, and drag/resize boundaries.
redis-rs
An idiomatic, high-level Redis and Valkey client for Rust with sync, async, and cluster support.
sqlparse
A non-validating SQL parser and formatter for Python
Slack SDK for Python
The official Python SDK for building apps, bots, and integrations on the Slack Platform.
KafkaJS
A modern Apache Kafka client for Node.js
Colorama
Cross-platform ANSI escape codes that make colored terminal text and cursor control work identically on Windows, macOS, and Linux.
LangGraph
A low-level JavaScript/TypeScript framework for building stateful, controllable LLM agents as graphs, with durable execution and human-in-the-loop.
next-mdx-remote
Load, compile, and hydrate MDX content from any remote source—CMS, database, or API—inside Next.js apps, without a build-time file import.
@sendgrid/mail
Official Node.js SDK for sending transactional and marketing email through the Twilio SendGrid API.
Micromatch
Fast, POSIX-compliant glob matching for Node.js — the drop-in replacement for minimatch and multimatch.
Laravel Sanctum
Featherweight token and SPA authentication for Laravel applications
isolated-vm
Secure, isolated V8 JavaScript environments for Node.js
