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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p-limit
A tiny, battle-tested utility for running async functions with a strict concurrency limit.
npm-run-all
A cross-platform CLI that runs multiple npm-scripts in parallel or in sequence, replacing fragile shell operators like && with Windows-safe orchestration.
p-queue
Promise queue with concurrency control, interval-based rate limiting, and priority scheduling for async tasks.
Croner
A zero-dependency cron job scheduler and cron-expression evaluator for JavaScript and TypeScript
node-cron
Zero-dependency cron job scheduling for Node.js with overlap prevention and distributed coordination
Bull
Redis-backed job queue for Node.js with retries, rate limiting, and scheduling
PyMuPDF
A high-performance Python library for extracting, rendering, converting, and manipulating PDF and other document formats.
officeParser
Parse Office documents into a rich AST and generate Markdown, HTML, PDF, or RAG chunks
tesseract.js
Pure JavaScript OCR library that recognizes text in over 100 languages, running in the browser or Node.js via WebAssembly.
unstructured
Open-source Python library for partitioning and preprocessing unstructured documents for LLM pipelines
RQ
Simple Python library for queueing jobs and processing them in the background with Redis or Valkey workers
RapidOCR
A fast, offline Python OCR library with pluggable ONNX Runtime, OpenVINO, and PaddlePaddle inference backends.
EasyOCR
Ready-to-use Python OCR supporting 80+ languages and all popular writing scripts.
Dramatiq
A fast and reliable distributed task processing library for Python
ember-concurrency
Cancelable, restartable async task primitives for Ember.js that replace manual promise and flag juggling with declarative concurrency control.