Alternatives to Reachat

React frontend stack for building agentic user experiences with generative UI

Run LLMs in-browser with WebGPU — headless React hooks, just useLLM().

Add Grok AI chat and vision to Laravel with a clean, Laravel-native API.

Open-source MCP testing & app framework for building ChatGPT Apps and Claude Connectors.

Open-source Django library for adding AI assistants, chatbots, and RAG to your projects.

An open-source Python framework that turns ordinary functions into AI-powered tools via simple decorators.

Open-source TypeScript toolkit for building AI apps with 100+ models, streaming, and agent support

Open-source Python library for guaranteed valid structured outputs from LLMs

An open-source Python library for steering LLMs with native control flow, regex, and CFG constraints.

Open-source LLM that turns natural language into API calls for tool-using agents

Google's open-source framework for building agentic AI apps in JS, Go, Python & Dart.

Open-source streaming-first toolkit that turns AI agent output into interactive UI, not JSON.

Compress AI agent context by 60–90% with a local, open-source MCP server.

Open-source Python framework for building production-ready conversational AI apps.

Open-source Swift package wrapping the OpenAI API with async/await and Combine.

Open-source Python framework turning messy text into typed, queryable Semantic DataFrames

Open-source Rust CLI that filters command output before it hits your LLM

Open-source AI agent SDK for production-grade Python & TypeScript agents

Ruby gem for streaming open source LLMs via Ollama locally

Open-source tool for comparing chain-of-thought reasoning traces across AI backends

Open-source Java library for building LLM-powered apps with a unified API

Open-source CLI framework for modular AI prompts and workflows

Open-source Python RAG framework to build LLM apps over your own data in minutes

Free GitHub repo of OpenAI API code examples, guides, and Jupyter notebooks.

Extra-small OpenAI-compatible AI SDK for JS — 40x smaller installs.

One Ruby framework for all major AI providers—chat, images, audio, and tools.

Build AI agents on small language models—run locally or via any OpenAI-compatible server.

Build LLM apps with decorators, observability, and full control.

A type-safe programming language for building AI agents with compile-time guarantees on structured outputs.

Pydantic AI: Python SDK for typed, production-grade AI agents with every model a string swap away.