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

55Health
Library Composer

Laravel Image Optimizer

Laravel integration that shrinks PNG, JPG, SVG, and GIF images using system optimization tools.

1,307
MIT
Used by 1
86Health
Library PyPI

JPype

A native bridge that gives Python programs direct, in-process access to the full Java class library and JVM.

1,296
Apache 2.0
Used by 1
87Health
SDK npm

contentful.js

The official JavaScript/TypeScript SDK for Contentful's Content Delivery and Preview APIs, with built-in retries, sync, and cursor pagination.

1,295
MIT
Used by 1
80Health
Library PyPI

TensorFlow Text

Text-processing ops -- tokenizers, Unicode normalization, and more -- that run natively inside the TensorFlow graph.

1,295
Apache 2.0
Used by 1
88Health
Library PyPI

comfyui-workflow-templates

The official collection of ComfyUI workflow templates and subgraph blueprints, packaged for PyPI.

1,278
MIT
Used by 1
85Health
Framework PyPI

Cyclopts

A modern Python CLI framework that builds command-line apps from type hints.

1,278
Apache 2.0
Used by 1
72Health
Library Cargo

darling

Parse attributes into structs when writing custom Rust derive macros

1,278
MIT
Used by 1
80Health
Library npm

@rc-component/tree

Accessible, virtualized tree view primitives for React, maintained inside the Ant Design ecosystem.

1,273
MIT
Used by 1
59Health
SDK npm

cassandra-nodejs-driver

A modern, highly tunable Node.js client for Apache Cassandra, DSE, HCD, and DataStax Astra DB with a built-in object mapper.

1,269
Apache 2.0
Used by 1
45Health
Library Composer

BelongsToThrough

Inverse HasManyThrough relationships for Laravel Eloquent with unlimited intermediate models

1,268
MIT
Used by 1
50Health
Library PyPI

django-waffle

A battle-tested feature flipper for Django apps, with flags, switches, and samples for controlled rollouts.

1,263
BSD 3
Used by 1
63Health
Library PyPI

SacreBLEU

Hassle-free, reproducible BLEU, chrF, and TER scores for machine translation

1,261
Apache 2.0
Used by 1
92Health
Library npm

OpenInference Core

Shared OpenTelemetry tracing foundation for instrumenting LLM applications with OpenInference semantic conventions

1,259
Apache 2.0
Used by 1
92Health
Library PyPI

OpenInference Google ADK Instrumentation

Auto-instrument Google ADK agents with OpenTelemetry-compatible tracing

1,259
Apache 2.0
Used by 1
40Health
Library npm

retry

Lightweight abstraction for exponential backoff and custom retry strategies in Node.js

1,258
MIT
Used by 1
84Health
Library Cargo

rama-core

The async Service and Layer trait core that every Rama network stack builds on.

1,236
Other
Used by 1
61Health
Library Cargo

termimad

Rust library for rendering Markdown text, tables, and templates in terminal applications with fully customizable, skinnable styling.

1,233
MIT
Used by 1
50Health
Library Composer

RabbitMqBundle

Symfony bundle integrating php-amqplib for RabbitMQ producers, consumers, and console commands

1,230
MIT
Used by 1
67Health
Library Composer

Compoships

Composite and multi-column key relationships for Laravel's Eloquent ORM.

1,228
MIT
Used by 1
87Health
SDK PyPI

openhands-sdk

Clean, modular Python SDK for building AI agents that work with code

1,226
MIT
Used by 1
70Health
Library PyPI

django-treebeard

Efficient tree-structured models for Django, with three interchangeable storage backends behind one manager API.

1,224
Apache 2.0
Used by 1
72Health
Library npm

react-menu

An accessible, keyboard-friendly React menu library for dropdowns, context menus, and nested submenus.

1,219
MIT
Used by 1
91Health
SDK npm

react-native-purchases

RevenueCat's React Native SDK for in-app purchases and subscriptions across iOS, Android, and web.

1,217
MIT
Used by 1
85Health
Library PyPI

OpenEvals

Prebuilt evaluators and LLM-as-judge scorers for testing the quality of LLM application outputs.

1,216
MIT
Used by 1

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