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

73Health
Framework Cargo

Xilem

A reactive, cross-platform Rust UI framework for building native desktop apps.

5,538
Apache 2.0
79Health
Tool npm

gluestack-ui

A CLI that adds accessible, Tailwind-styled universal components straight into React & React Native codebases

5,317
MIT
80Health
Library npm

react-native-config

Loads .env variables into React Native apps for iOS, Android, macOS, and Windows, keeping secrets and per-environment config out of source.

4,955
MIT
90Health
Library npm

Semiotic

A React data-visualization library for network graphs, streaming data, and coordinated dashboards, built for AI-assisted development.

2,707
Apache 2.0
82Health
Framework npm

Skybridge

The full-stack TypeScript framework for building type-safe MCP Apps and ChatGPT Apps.

2,103
MIT
87Health
Framework npm

Open Mercato

The AI-native TypeScript framework for building CRM, ERP, and commerce backends with modules, multi-tenancy, and RBAC baked in.

1,781
MIT
86Health
Library npm

unhead

Manage document head tags, meta, and SEO data reactively across any JavaScript framework

1,306
MIT
78Health
Library npm

fate

A Relay-inspired data client for React with normalized caching, view composition, and type-safe fetching.

1,094
MIT
74Health
Framework PyPI

Plain

A Django-inspired Python web framework rebuilt from scratch for explicit, typed, agent-friendly application code.

1,044
BSD 3
28Health
Library npm

performative-ui

A tongue-in-cheek React component library for building AI-startup landing pages

909
MIT
76Health
Library PyPI

LatticeDB

Python bindings for LatticeDB, an embedded single-file graph database with native vector and BM25 full-text search.

694
MIT
80Health
Library PyPI

fenic

A PySpark-inspired semantic DataFrame engine that turns LLM extraction, classification, and summarization into typed, rerunnable pipeline operators.

672
Apache 2.0
77Health
Tool Cargo

DiskWatch

A single-host, read-only disk diagnostics TUI covering devices, SMART, IO, volumes, and hot files.

472
MIT
31Health
Library npm

lexer

A flex-inspired, regex-based JavaScript lexer with start conditions and longest-match scanning for building custom tokenizers.

408
MIT
74Health
Library PyPI

Levenshtein

A fast Python C extension for Levenshtein edit distance, string similarity, and edit operations.

397
GPL 2.0
74Health
Library npm

rc-trigger

Low-level React popup trigger and alignment primitive

391
MIT
32Health
Library npm

is-odd

A minimal JavaScript utility that checks whether a number or numeric string is odd, with built-in type and integer-range validation.

363
MIT
42Health
Library npm

FormData

A spec-compliant FormData polyfill for browsers and Node.js, with built-in multipart Blob conversion.

359
MIT
71Health
Library npm

hqtui

A zero-dependency TypeScript library for btop-grade terminal dashboards with a one-import API and truecolor graphics.

306
MIT
78Health
Library npm

Persona

A themeable, zero-dependency VanillaJS widget for embedding streaming AI chat experiences on any website.

247
MIT
33Health
Library npm

regexpp

A dependency-free, spec-accurate ECMAScript regular expression parser and validator with a full AST, powering ESLint's regex-aware rules.

31
MIT
22Health
Library npm

fast-crc32c

Hardware-accelerated CRC-32C checksums for Node.js with an automatic pure-JavaScript fallback.

30
MIT
69Health
SDK PyPI

Braintrust Python SDK

Official Python SDK for logging, tracing, and evaluating AI applications with Braintrust

20
Apache 2.0
26Health
Library npm

node-domexception

Exposes NodeJS's native DOMException class on globalThis for platforms without it built in.

12
MIT

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