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

69Health
Framework npm

@refinedev/core

Headless React meta-framework for building CRUD-heavy admin panels, dashboards, and internal tools fast.

35,934
MIT
Used by 3
44Health
Library npm

lottie-web

Play Adobe After Effects animations natively in the browser from a Bodymovin-exported JSON file

32,266
MIT
Used by 3
85Health
Framework PyPI

PyTorch Lightning

A deep learning framework that organizes PyTorch training code and automates multi-GPU, mixed-precision, and distributed training.

31,427
Apache 2.0
Used by 3
88Health
SDK PyPI

LangChain Daytona

Daytona sandbox backend integration for LangChain's Deep Agents harness

30,537
MIT
Used by 3
96Health
Framework PyPI

MLflow

Open source AI engineering platform for tracking, evaluating, and shipping ML models, LLMs, and agents to production.

28,512
Apache 2.0
Used by 3
79Health
Framework npm

Backbone

A lightweight MV* framework that gives JavaScript-heavy applications structure with Models, Views, Collections, Routers, and Events.

28,094
MIT
Used by 3
82Health
Library npm

Badge Maker

The standalone SVG badge-rendering library and CLI extracted from Shields.io, with no server dependency.

27,309
MIT
Used by 3
76Health
Library PyPI

FlatBuffers

Google's memory-efficient, zero-copy serialization library for cross-language data exchange

26,574
Apache 2.0
Used by 3
84Health
Library npm

Select2

A jQuery-based replacement for select boxes with search, tagging, remote data, and infinite scroll.

25,910
MIT
Used by 3
90Health
SDK PyPI

Opik

Python SDK for tracing, evaluating, and monitoring LLM applications, RAG pipelines, and agentic workflows.

22,860
Apache 2.0
Used by 3
81Health
Library npm

redux-saga

A Redux middleware that models complex async side effects as testable, cancellable sagas using ES6 generators.

22,409
MIT
Used by 3
89Health
Framework PyPI

Google Agent Development Kit (ADK)

An open-source, code-first Python framework for building and deploying AI agents

21,982
Apache 2.0
Used by 3
94Health
SDK npm

Cube.js Client Core

The core JavaScript/TypeScript client for querying and consuming data from a Cube semantic layer API.

21,067
MIT
Used by 3
87Health
Library PyPI

Triton

A Python language and compiler for writing highly efficient custom GPU kernels for deep learning.

20,436
MIT
Used by 3
95Health
Library PyPI

LightGBM

A fast, distributed, high-performance gradient boosting framework based on decision tree algorithms, used for ranking, classification, and other machine learning tasks.

18,909
MIT
Used by 3
91Health
Library npm

Dropzone

Drag-and-drop file upload library with image previews and progress bars, no framework required.

18,402
MIT
Used by 3
72Health
Library npm

sweetalert2

A zero-dependency, highly customizable, and accessible (WAI-ARIA) replacement for JavaScript's native alert, confirm, and prompt popups.

18,095
MIT
Used by 3
48Health
Library Go

httprouter

A lightweight, high-performance HTTP request router for Go built on a compact radix tree.

17,138
BSD 3
Used by 3
90Health
SDK npm

@trigger.dev/sdk

Official TypeScript SDK for defining and triggering background tasks and AI agent workflows on Trigger.dev

16,606
Apache 2.0
Used by 3
48Health
Library Composer

Parsedown

Fast, single-class Markdown parser for PHP with no dependencies beyond mbstring.

15,049
MIT
Used by 3
91Health
Library Cargo

Diesel

A safe, extensible ORM and query builder for Rust, supporting PostgreSQL, MySQL, and SQLite.

14,215
Other
Used by 3
95Health
Tool Go

cert-manager

Automates issuing, renewing, and managing TLS certificates for Kubernetes clusters.

14,126
Apache 2.0
Used by 3
66Health
Library Go

Asynq

A simple, reliable Redis-backed distributed task queue for Go, with retries, scheduling, priority queues, and a monitoring Web UI.

13,783
MIT
Used by 3
78Health
Library Composer

Flysystem

One PHP filesystem abstraction API for local disks, S3, FTP, SFTP, and more

13,592
MIT
Used by 3

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