The best open-saas alternatives

quivr

The-Vibe-Company/quivr

Opiniated RAG for integrating GenAI in your apps 🧠 Focus on your product rather than the RAG. Easy integration in existing products with customisation! Any LLM: GPT4, Groq, Llama. Any Vectorstore: PGVector, Faiss. Any Files. Anyway you want.

Choose quivr if…

• you would rather work in Python than MDX
• you want the more widely starred option (39.6k)
• you specifically need api or chatbot

Shares ai, chatgpt, postgresql, react with open-saas.

rea

morluto/rea

Reverse engineer anything with agents, from app behavior down to native binaries.

Choose rea if…

• you would rather work in TypeScript than MDX
• you want something your agent can install directly rather than a library to wire up yourself
• you want the more widely starred option (455.1k)
• you specifically need agent-skills or android

Shares ai, nodejs, react, typescript with open-saas.

CopilotKit

CopilotKit/CopilotKit

The Frontend Stack for Agents & Generative UI. React, Angular, Mobile, Slack, and more. Makers of the AG-UI Protocol

Choose CopilotKit if…

• you would rather work in TypeScript than MDX
• you want the more widely starred option (38.7k)
• you specifically need agent or agent-native

Shares ai, open-source, react, typescript with open-saas.

DocsGPT

arc53/DocsGPT

Private AI platform for agents, assistants and enterprise search. Built-in Agent Builder, Deep research, Document analysis, Multi-model support, and API connectivity for agents.

Choose DocsGPT if…

• you would rather work in Python than MDX
• you specifically need agent-builder or agents

Shares ai, chatgpt, hacktoberfest, react with open-saas.

mianshiya

liyupi/mianshiya

持续维护的企业面试题库网站，帮你拿到满意 offer！⭐️ 2026年最新Java面试题、前端面试题、AI大模型面试题、AI Agent面试题、RAG面试题、C++面试题、Go面试题、Python面试题、测试面试题、运维面试题、后端面试题、操作系统面试题、计算机网络面试题、Redis面试题、MySQL数据库面试题、算法面试题、Spring面试题、JVM面试题、Java并发面试题、Linux面试题、LLM面试题、Prompt工程面试题、系统设计面试题等1万多道高频程序员求职必备八股文。面试刷题就选面试鸭 💎 React 前端 + Node 后端 + 云开发全栈项目 by 程序员鱼皮

Choose mianshiya if…

• you would rather work in TypeScript than MDX
• you prefer a smaller, narrower project to a large one
• you specifically need ai-agents or algorithm

Shares ai, nodejs, react, typescript with open-saas.

ai-website-cloner-template

JCodesMore/ai-website-cloner-template

Clone any website with one command using AI coding agents

Choose ai-website-cloner-template if…

• you would rather work in JavaScript than MDX
• you want something your agent can install directly rather than a library to wire up yourself
• you want the more widely starred option (39.1k)
• you specifically need ai-agents or ai-tools

Shares ai, boilerplate, react, typescript with open-saas.

chatbot

vercel/chatbot

A full-featured, hackable Next.js AI chatbot built by Vercel

Choose chatbot if…

• you would rather work in TypeScript than MDX
• you specifically need nextjs or redis

Shares ai, chatgpt, react with open-saas.

prompts.chat

f/prompts.chat

f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.

Choose prompts.chat if…

• you would rather work in HTML than MDX
• you want the more widely starred option (177.0k)
• you specifically need artificial-intelligence or awesome-list

Shares ai, chatgpt, open-source, typescript with open-saas.

langchain

langchain-ai/langchain

The agent engineering platform.

Choose langchain if…

• you would rather work in Python than MDX
• you want the more widely starred option (149.4k)
• you specifically need agents or ai-agents

Shares ai, chatgpt, open-source, typescript with open-saas.

app

reactive-resume/app

A one-of-a-kind resume builder that keeps your privacy in mind. Completely secure, customizable, portable, open-source and free forever. Try it out today!

Choose app if…

• you would rather work in TypeScript than MDX
• you want something your agent can install directly rather than a library to wire up yourself
• you want the more widely starred option (45.7k)
• you specifically need agent-skills or dsh-plugin

Shares ai, hacktoberfest, react, typescript with open-saas.

repomix

yamadashy/repomix

📦 Repomix is a powerful tool that packs your entire repository into a single, AI-friendly file. Perfect for when you need to feed your codebase to Large Language Models (LLMs) or other AI tools like Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, Grok, and more.

Choose repomix if…

• you would rather work in TypeScript than MDX
• you want the more widely starred option (29.3k)
• you specifically need anthropic or artificial-intelligence

Shares ai, chatgpt, nodejs, typescript with open-saas.

voltagent

VoltAgent/voltagent

AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework

Choose voltagent if…

• you would rather work in TypeScript than MDX
• you specifically need agents or ai-agents

Shares ai, chatgpt, nodejs, open-source with open-saas.