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

Kind
Library4824 SDK549 Tool342 Framework214
Category
Utilities Ids Helpers1293 Serialization Data Formats487 UI Component Libraries383 Cli Terminal323 Authentication Authorization289 Cryptography Hashing259 Web Frameworks API Servers246 Build Tools Bundlers227 Image Media Processing213 Cloud Sdks200 Database Drivers Clients200 Async Concurrency Runtimes194
Tags1
React667 Python639 Javascript591 Rust485 Typescript408 Hacktoberfest308 PHP304 Nodejs280 Parser224 JSON204 Laravel203 Go192 Chatbot15
Sort:Used by Most Apps
Used by Most Apps Health Score Most Stars A-Z
Showing 12 of 5929 packages
Chatbot Clear all
92Health
Library npm

AI SDK

Provider-agnostic TypeScript toolkit for building AI apps and agents with any LLM.

26,955
Apache 2.0
Used by 105
35Health
Library npm

use-stick-to-bottom

Zero-dependency React hook and component that keeps AI chat scrolled to the bottom as content streams in.

778
MIT
Used by 27
96Health
SDK PyPI

Slack SDK for Python

The official Python SDK for building apps, bots, and integrations on the Slack Platform.

4,016
MIT
Used by 13
85Health
Framework npm

Chat SDK

A unified TypeScript SDK for building chat bots and AI agents across every major messaging platform

2,387
MIT
Used by 10
89Health
Library npm

assistant-ui

Composable React primitives and a headless runtime for building production-grade AI chat interfaces.

12,305
MIT
Used by 7
96Health
SDK PyPI

python-telegram-bot

A fully async, type-hinted Python wrapper for the Telegram Bot API with a batteries-included framework for building bots.

29,492
Other
Used by 4
86Health
SDK npm

TanStack AI

Type-safe, provider-agnostic TypeScript AI SDK for streaming chat, tool calling, agents, and multimodal apps.

3,141
MIT
Used by 4
85Health
SDK npm

node-telegram-bot-api

A runtime-agnostic, fully-typed TypeScript client for the Telegram Bot API, with middleware routing, sessions, and zero dependencies.

9,208
MIT
Used by 2
95Health
Framework PyPI

Bolt for Python

Slack's official Python framework for building Slack apps fast, with routing, middleware, and Socket Mode across many web stacks.

1,326
MIT
Used by 1
92Health
SDK PyPI

rasa-sdk

Python SDK for building the custom action server that connects a Rasa chatbot to your own APIs and business logic.

318
Apache 2.0
Used by 1
41Health
SDK PyPI

fbmessenger

A Python SDK for building Facebook Messenger bots on top of the Send API, Messenger Profile, and webhook event dispatch.

112
Apache 2.0
Used by 1
88Health
Tool npm

Repomix

Packs an entire repository into a single AI-friendly file, complete with token counts, secret scanning, and an MCP server for direct AI assistant access.

28,508
MIT

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