Open Source Alternatives

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Scira

stars 11.7Kforks 1.5K

Open source AI search engine that retrieves cited sources

AI Search Tools Search Engine Self Hosted+4

RAG-Anything

stars 21.2Kforks 2.5K

Comprehensive multimodal document processing framework

RAG Self Hosted LLMOps+3

Claude Context

stars 11.8Kforks 869

Enhance AI coding assistants with semantic code search.

AI Coding Assistant RAG LLMOps+4

MarkItDown

stars 164.1Kforks 11.7K

Convert PDFs, Office files, and images to Markdown, free

LLM LLMOps Developer Tools+3

MindsDB

stars 685forks 112

Delegate reports, inbox cleanup, and workflow tasks to an AI agent

LLM AI Agents Database+4

Mengram

stars 183forks 26

AI memory for Claude Code with auto-save across sessions

AI Agents LLM LLMOps+3

AnythingLLM

stars 61.5Kforks 6.7K

Chat with your documents using any LLM, private and self-hosted

AI Agents Self Hosted LLM+5

Open WebUI

stars 144.8Kforks 20.9K

Chat interface for Ollama and any OpenAI API, with RAG support

LLM RAG Self Hosted+3

Letta

stars 2.7Kforks 303

Give your LLM agents persistent memory across every conversation

AI Agents LLM LLMOps+3

Khoj

stars 35.6Kforks 2.3K

Self-hosted AI assistant that searches your notes and web

AI Agents AI Search Tools Knowledge Base+4

Supermemory

stars 28.3Kforks 2.4K

Add persistent user memory to any LLM app via API, Apache 2.0

AI Agents LLM RAG+4

Trieve

stars 2.7Kforks 245

Hybrid search and RAG infrastructure for AI knowledge bases

AI Search Tools RAG LLM+4