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RAGFlow alternatives (2026)
RAGFlow is a memory & RAG tool: Open-source RAG engine with deep document parsing and agent features for building grounded question-answering over your files. Pricing, as the maker states it: Open source + cloud. Its GitHub repo has 92,335 stars. We found 53 tools in the directory that do overlapping work (working with documents, memory for agents); 47 of them are open source and 2 list a free or freemium plan. Below are the 10 closest, ranked by how many tasks and sub-tasks they share with RAGFlow, then by GitHub stars.
Updated
Quick comparison Top 10 of 11 listed below. Pricing as the maker states it; blank means we don't have it.
| Tool | Pricing | Best for | Open source |
|---|---|---|---|
 MarkItDown | Open source | Connect tools via MCP | Yes |
 PageIndex | Open source + cloud | Give agents memory | Yes |
 Chroma | Open source + cloud | Research the web | Yes |
 llmware | Open source | Give agents memory | Yes |
 LanceDB | Open source + cloud | Research the web | Yes |
 xerj | Open source | Give agents memory | Yes |
 Activeloop | Open source + cloud | Research the web | Yes |
 Zep | Freemium | Give agents memory | |
 Knowhere | Open source | Give agents memory | Yes |
 Agentset | Open source + cloud | Automate workflows | Yes |
- MarkItDown (Open source): Microsoft's Python tool and MCP server that converts PDFs, Office documents, images, audio and web pages to Markdown for LLM and agent pipelines. Consider it because it also covers MCP servers and images and design; it has more GitHub stars (190,824 vs 92,335).
- PageIndex (Open source + cloud): Document index for reasoning-based, vectorless RAG that lets agents navigate long documents like a table of contents. Consider it because it does the same job with a different approach (open source + cloud).
- Chroma (Open source + cloud): Open-source search and vector database widely used for agent memory and RAG. Consider it because it also covers memory and SQL and databases.
- llmware (Open source): Framework for building private, local RAG and agent applications with small specialized models on AI PCs, edge and self-hosted setups. Consider it because it also covers agent frameworks and SDKs and local and self-hosted.
- LanceDB (Open source + cloud): Open-source multimodal vector database for search, RAG and agent memory. Consider it because it also covers memory and SQL and databases.
- xerj (Open source): A local-first search engine and MCP server for agents: one Rust binary indexes code, docs, logs, CSV/JSONL and PDFs for full-text, vector and hybrid search plus agent memory, behind an Elasticsearch-compatible API. Consider it because it also covers memory and search APIs.
- Activeloop (Open source + cloud): Deep Lake, a multimodal database for AI that stores vectors, images, text and video so agents and RAG apps can search and retrieve them. Consider it because it also covers SQL and databases and video.
- Zep (Freemium): Context layer that unifies business data, documents and conversations into memory so agents complete tasks correctly. Consider it because it also covers codebase context and code search and memory.
- Knowhere (Open source): Document parsing and retrieval system that turns messy files into structured, navigable memory for AI agents and RAG. Consider it because it also covers memory.
- Agentset (Open source + cloud): Open-source RAG platform for building agents and apps that answer accurately from your documents. Consider it because it does the same job with a different approach (open source + cloud).
RAGFlow vs alternatives at a glance
| Tool | Pricing | Open source / licence | GitHub stars | Good for |
|---|---|---|---|---|
 RAGFlow | Open source + cloud | Apache License 2.0 | 92,335 | working with documents, memory for agents |
| MarkItDown | Open source | MIT | 190,824 | working with documents, connecting tools with MCP |
| PageIndex | Open source + cloud | MIT | 39,186 | working with documents, memory for agents |
| Chroma | Open source + cloud | Apache License 2.0 | 29,512 | research, data analysis |
| llmware | Open source | Apache License 2.0 | 14,814 | building AI agents, working with documents |
| LanceDB | Open source + cloud | Apache License 2.0 | 11,684 | research, data analysis |
| xerj | Open source | Yes | 11,507 | web search for agents, working with documents |
| Activeloop | Open source + cloud | Apache License 2.0 | 9,252 | automating workflows, research |
| Zep | Freemium | No | 4,966 | working with documents, memory for agents |
| Knowhere | Open source | Yes | 3,775 | working with documents, memory for agents |
| Agentset | Open source + cloud | Yes | 2,112 | automating workflows, working with documents |
More: RAGFlow listing · All memory & RAG tools · All alternatives pages
Related searches: Open-source AI document and RAG tools
Alternatives are picked from directory data only: same category plus shared tasks and sub-tasks. Pricing is as each maker states it; GitHub stars as recorded on each listing.