18.4
Dify is an open-source platform for building AI applications with workflows, knowledge retrieval, model management, observability, and tools.
Free planOpen sourceWebAPIExtension
Alternatives to R2R
28.0
RAGFlow is an open-source retrieval-augmented generation engine and agent platform for building a context layer for AI agents.
Free planOpen sourceWebAPILinux
37.9
AnythingLLM is a private AI assistant available as desktop software, a mobile app, and self-hosted or cloud deployments.
Free planAndroidWebAPI
- 4
Flowise
Flowise is an open-source platform for building generative AI agents and workflows based on large language models.
Free planWebAPILinuxmacOS7.2From $35 a month - 5
LlamaIndex
LlamaIndex helps developers and enterprises process documents and build AI workflows around them.
Free planWebAPILinuxSelf-hosted7.1From $50 a month - 6
PrivateGPT
PrivateGPT is a free, open-source API layer for building private AI applications on your own infrastructure.
Free planWebAPILinuxmacOS6.9Free plan - 7
LangChain
LangChain is a free, open-source framework for building agents that connect models with tools.
Free planAPISelf-hosted6.8$39 usage-based - 8
Azure AI Speech
Free planWebAPISelf-hosted6.7Free plan - 9
OpenRAG
OpenRAG is a free, AGPL-3.0 modular framework for building document-grounded retrieval-augmented generation systems.
Free planWebAPISelf-hosted6.7Free plan - 10
txtai
txtai is an open-source framework for semantic search, language-model orchestration, and language-model workflows.
Free planAPILinuxmacOSSelf-hosted6.7Free plan - 116.6From €150 a month
- 12
Haystack
Haystack is an open-source AI orchestration framework for developers building agents, multimodal applications, advanced retrieval-augmented…
Free planAPISelf-hosted6.4Free plan - 13
I3K RAG Enterprise
I3K RAG Enterprise lets users ask questions about uploaded documents and receive answers grounded in those files, with cited sources.
Free planWebAPILinuxSelf-hosted6.4Free plan - 14
Graphiti
Graphiti is an open-source framework for building and querying temporal context graphs for AI agents.
Free planAPISelf-hosted6.3Free plan - 15
Langflow
Langflow is a free, open-source Python framework for building customizable AI applications, including agent and MCP applications.
WebAPILinuxmacOS6.2 - 16
Progress Agentic RAG
Progress Agentic RAG provides a centralized knowledge layer connecting enterprise content to AI experiences.
WebAPISelf-hosted6.2From $700 a month - 17
Haystack Enterprise Platform
Haystack Enterprise Platform is an operational layer for teams building, evaluating, deploying, and governing production AI agents and applications.
Free planWebAPISelf-hosted6.1Free plan - 18
Pathway Live Data Framework
Pathway Live Data Framework is a Python framework for building analytics and AI data pipelines over stored data and live streams.
Free planAPISelf-hosted6.1Free plan - 19
Ragen
Ragen is a company knowledge assistant that answers questions from documents and tools with citations to the source.
Free planWebAPISelf-hosted6.1Free plan - 20
RAGStack
RAGStack is a curated collection of open-source software for building retrieval-augmented generation applications.
Free planLinuxmacOSSelf-hostedWindows6.1Free plan - 21
ServerBackup
ServerBackup is a free plugin for protecting Minecraft server files and worlds from data loss, griefing, and chunk failures.
Free planLinuxSelf-hosted5.9Free plan - 22
Kapa.ai
Kapa.ai connects unstructured knowledge to AI agents, providing grounded context or prebuilt agents for customer self-service, internal teams, and technical developers.
WebAPISelf-hosted5.8 - 23
Vectara
Vectara is a paid enterprise AI agent platform for building governed, grounded, and auditable agents.
WebAPISelf-hosted5.8 - 244.9
- 25
4.6