Ranked by AgentRank — adoption proof, trust evidence, and protocol readiness
This tool leads the category but has not been claimed by its maker.
Claim this tool to see who is evaluating it| # | Tool | AgentRank | Trust | Verified / signal | Velocity | Protocols |
|---|---|---|---|---|---|---|
| LlamaIndex | 64 | 47 | ★ 52k | — | API, SDK | |
| Haystack | 63 | 47 | ★ 27k | +308 ★/30d | API, SDK | |
| LangChain | 51 | 47 | ★ 147k | — | API, SDK | |
| Unstract | 51 | 47 | ★ 7.2k | +228 ★/30d | API, SDK | |
| AnySearch | 51 | 47 | ★ 6.2k | +949 ★/30d | API, SDK | |
| Supermemory | 51 | 47 | ★ 31k | +1.1k ★/30d | API, SDK | |
| LangChain4j | 51 | 47 | ★ 13k | +243 ★/30d | API, SDK | |
| RAGFlow | 51 | 47 | ★ 91k | +2.6k ★/30d | API, SDK | |
| Morphik | 51 | 47 | ★ 3.7k | +32 ★/30d | API, SDK | |
| Unstructured | 51 | 47 | ★ 15k | +150 ★/30d | API, SDK | |
| CocoIndex | 51 | 47 | ★ 12k | +389 ★/30d | API, SDK | |
| Onyx | 51 | 47 | ★ 32k | +576 ★/30d | API, SDK | |
| Context7 | 51 | 47 | ★ 62k | +1.5k ★/30d | API, SDK | |
| Graphify | 51 | 47 | ★ 119k | +13k ★/30d | API, SDK | |
| Instructor | 51 | 47 | ★ 14k | +239 ★/30d | API, SDK | |
| Cognee | 51 | 47 | ★ 31k | +2.8k ★/30d | API, SDK | |
| txtai | 51 | 47 | ★ 13k | +100 ★/30d | API, SDK | |
| Pathway | 51 | 47 | ★ 62k | — | API, SDK | |
| DB-GPT | 51 | 47 | ★ 20k | — | API, SDK | |
| Firecrawl | 51 | 47 | ★ 182k | +15k ★/30d | API, SDK |
RAG Frameworks· llamaindex.ai
Data framework for document ingestion, retrieval, and RAG over private data.
RAG Frameworks· context7.com
Up-to-date, version-specific documentation retrieval for AI coding agents through MCP and API workflows.
RAG Frameworks· langchain.com
Framework for composing agents, RAG workflows, retrieval, and tool calls.
RAG Frameworks· docling-project.github.io
IBM-backed document conversion toolkit for preparing PDFs and complex documents for generative AI and RAG pipelines.
RAG Frameworks· firecrawl.dev
Web data API and open-source crawling stack for turning sites into clean markdown, structured data, and agent-ready content for RAG and automation pipelines.
RAG Frameworks· github.com
Local-first code and document intelligence tool that builds queryable knowledge graphs with traceable extracted and inferred edges for coding agents.
RAG Frameworks· github.com
Microsoft MarkItDown is an open-source document conversion tool that turns files and office documents into Markdown for LLM, RAG, and text-analysis pipelines.
RAG Frameworks· pathway.com
Python framework for streaming ETL, real-time analytics, LLM pipelines, and live RAG systems.
RAG Frameworks· ragflow.io
RAGFlow is an open-source RAG engine with document understanding, hybrid search, and agent orchestration for building production retrieval workflows over complex files.
RAG Frameworks· dspy.ai
Python framework for programming and optimizing LLM systems with structured signatures, modules, teleprompters, RAG pipelines, and agents.
RAG Frameworks· cognee.ai
Open-source AI memory and knowledge graph engine for persistent agent context.
RAG Frameworks· khoj.dev
Self-hostable AI second brain for answers over documents and the web, custom agents, automations, and deep research.
RAG Frameworks· lightrag.github.io
LightRAG is a graph-based retrieval framework and API server for building fast knowledge-graph RAG systems that combine vector and graph retrieval.
RAG Frameworks· haystack.deepset.ai
Open-source framework for production LLM applications, RAG pipelines, search, and agentic workflows.
RAG Frameworks· github.com
Open-source persistent memory layer that captures, compresses, and retrieves coding-agent session context across Claude Code, Codex, Gemini, OpenCode, and other agents.
RAG Frameworks· crawl4ai.com
Open-source crawling and extraction framework for feeding RAG and agent pipelines with markdown, structured data, and browser-backed collection flows.
RAG Frameworks· help.getzep.com
Temporal knowledge graph memory layer for AI agents that need evolving user, entity, and relationship context over time.
RAG Frameworks· onyx.app
Open-source AI knowledge platform for enterprise search, chat, connectors, and RAG over internal data.
RAG Frameworks· dbgpt.site
Open-source AI-native data app framework for text-to-SQL, RAG over databases, and private data agents.
RAG Frameworks· cinnamon.github.io
Open-source RAG application framework for building document chat and knowledge-base assistants over private files.
RAG Frameworks· supermemory.ai
Memory and context API for adding long-term recall, RAG, and user profiles to AI agents.
RAG Frameworks· cocoindex.io
Incremental indexing engine for long-horizon agents and continuously updated RAG dataflows.
RAG Frameworks· anysearch.com
Real-time structured search API and agent skill for web, code, academic, and multimodal retrieval.
RAG Frameworks· python.useinstructor.com
Structured-output library that adds validation, retries, and typed extraction across LLM providers and multiple languages.
RAG Frameworks· docs.langchain4j.dev
Java framework for integrating LLMs, RAG pipelines, tools, and agent workflows into JVM applications.
RAG Frameworks· unstructured.io
Document processing and ingestion platform for turning PDFs, HTML, Office files, and enterprise content into clean data for RAG pipelines.
RAG Frameworks· neuml.github.io
All-in-one framework for semantic search, embeddings, LLM orchestration, and language-model workflows.
RAG Frameworks· morphik.ai
AI-native multimodal document ingestion, retrieval, and search infrastructure for RAG applications.
RAG Frameworks· unstract.com
Open-source LLM platform for extracting structured data from unstructured documents into APIs and ETL workflows.
RAG Frameworks· datachain.ai
Versioned context layer for unstructured AI datasets across object storage, built for document and multimodal pipelines.
RAG Frameworks· vshulcz.github.io
Local-first memory layer for coding agents that indexes existing session logs, redacts secrets, and exposes fast cross-harness recall through MCP.
RAG Frameworks· mirascope.com
Lightweight LLM development toolkit for prompt engineering, tool calling, evaluations, and provider-agnostic application code.
RAG Frameworks· tavily.com
Search and extraction API for AI agents that need live web context, retrieval, and structured research inputs.
RAG Frameworks· github.com
Persistent provider-neutral memory for Codex, Claude Code, OpenCode, Pi, and MCP coding agents.
RAG Frameworks· github.com
Apache-licensed AI search engine built directly into Postgres for semantic retrieval and agent context workflows.
RAG Frameworks· github.com
Local-first CLI that turns Obsidian vaults into an offline semantic-search and knowledge-graph backend for AI coding agents.
RAG Frameworks· exa.ai
AI-native web search, crawling, and research API with MCP support for retrieval and grounding in production agent workflows.
RAG Frameworks· biel.ai
Hosted RAG layer and MCP server that gives IDEs and AI assistants source-cited access to indexed product documentation.
RAG Frameworks· github.com
Persistent, invalidation-aware memory for coding agents that recalls codebase discoveries and removes stale context when files change.
RAG Frameworks· getscribe.dev
Self-hosted CLI that compiles repositories, coding sessions, and URLs into portable Git-backed memory for agents.
RAG Frameworks· basethread.ai
Shared team context graph exposed over MCP so coding assistants can read decisions and write activity without repeated re-explanation.
RAG Frameworks· graphlit.com
API-first RAG and knowledge-ingestion platform for connecting content sources, extracting entities, and building searchable AI memory.
RAG Frameworks· unabyss.com
MCP-native context layer that continuously structures data from builder work tools and serves shared context to compatible AI agents.
RAG Frameworks· kitforai.com
Persistent memory, document conversion, retrieval, and structured extraction for AI agents through REST and MCP interfaces.
Head-to-head comparisons and adoption evidence for the products ranked above.
