RAG

AgentOS

TypeScript agent framework where agents write their own tools

Alibaba Cloud Bailian 阿里云百炼 (Model Studio)

Alibaba's AI model supermarket for Qwen, DeepSeek, Kimi and more

Allganize (올거나이즈)

Enterprise RAG 'AI coworkers' with layout-aware source citations

Cohere

Enterprise and sovereign AI — RAG-grade models, on-prem deployment

Dify

Open-source LLM app builder: workflows, agents, RAG, one canvas

Exa

Web search and retrieval API built for AI agents and apps

Firecrawl

Scrapes any site into LLM-ready markdown for RAG and agents

Glean

Enterprise search and AI assistant for work

Inkeep

Turns your docs and support history into AI agents

LangChain

Most popular framework for building LLM applications

LightOn (Paradigm)

Sovereign on-prem GenAI platform for regulated European enterprises

LlamaCloud

Managed document parsing and RAG indexing from LlamaIndex

LlamaIndex

Framework for production retrieval-augmented generation

MaxKB

Open-source RAG and workflow platform for building enterprise agents

Mendable

AI chat search for product docs — Firecrawl's quieter sibling

PandaWiki

Open-source, self-hosted AI wiki from Chaitin — 9.9k GitHub stars

Pinecone

Serverless vector database with pay-per-use pricing

Pleias

Small open LLMs trained only on permissively licensed data

Reducto

Document-parsing API tuned for messy PDFs, tables and forms

Stockmark

Tokyo's low-hallucination LLM shop, used by 30% of Nikkei 225

Unstructured

Open-source ETL for turning messy documents into LLM-ready data

Vanna AI

RAG-powered text-to-SQL library now pivoting toward paid agents

Weaviate

Open-source vector DB with hybrid search, now backed by $200M

Youdao QAnything

Open-source RAG engine for document Q&A, with private deployment