Tool Category

Knowledge and RAG

Search documents and build private knowledge assistants with retrieval-augmented generation.

Open source

AnythingLLM

Knowledge & RAG

Mintplex Labs · MIT

A desktop and self-hosted workspace for document chat, RAG, and AI agents.

Desktop / localSelf-hostedmacOSWindows
Best for

Private document question answering

Source available

Dify

Agents

LangGenius · Dify Open Source License

A visual platform for building and operating AI workflows, agents, and RAG applications.

Self-hostedManaged cloudLinuxDocker
Best for

Building AI workflows without coding every integration

Open source

Flowise

Agents

FlowiseAI · Apache-2.0 community; commercial enterprise components

A visual low-code platform for composing, evaluating, and deploying AI agents and LLM workflows.

Desktop / localSelf-hostedmacOSWindows
Best for

Visual agent and RAG prototyping

Open source

Khoj

Knowledge & RAG

Khoj AI · AGPL-3.0

A self-hostable personal AI and knowledge assistant with document search, agents, automations, and research workflows.

Desktop / localSelf-hostedmacOSWindows
Best for

A private personal knowledge assistant

Open source

Langflow

Agents

Langflow · MIT

An open-source visual builder for creating AI agents and workflows that can run as APIs or MCP servers.

Desktop / localSelf-hostedmacOSWindows
Best for

Visual agent workflows with Python extensibility

Open source

Letta

Agents

Letta · Apache-2.0

An open-source platform for building stateful agents with persistent, editable, and external memory.

Desktop / localSelf-hostedmacOSWindows
Best for

Stateful agents with inspectable memory

Open source

LibreChat

Chat UIs

LibreChat · MIT

A self-hosted multi-provider chat application with agents, files, search, MCP, and model routing.

Self-hostedLinuxDocker
Best for

Self-hosted multi-provider chat

Source available

Open WebUI

Chat UIs

Open WebUI · Open WebUI License

A self-hosted chat and knowledge interface for local and cloud model providers.

Desktop / localSelf-hostedmacOSWindows
Best for

Adding a shared UI to Ollama or an API server

Open source

GPT4All

Runtimes

Nomic AI · MIT

A private desktop chat application and Python SDK for running GGUF language models on everyday computers.

Desktop / localSelf-hostedmacOSWindows
Best for

Offline desktop chat on consumer computers

Source available

LobeChat

Chat UIs

LobeHub · LobeHub Community License

A polished chat and agent workspace with provider routing, knowledge bases, plugins, and optional managed cloud.

Desktop / localSelf-hostedWebmacOS
Best for

Polished personal or team AI workspace

Open source

RAGFlow

Knowledge & RAG

InfiniFlow · Apache-2.0

A self-hosted RAG engine focused on document understanding, retrieval, and traceable answers.

Self-hostedLinuxDocker
Best for

Document-heavy knowledge systems

Explore other tool categories

Model Runtimes Model Serving GPU Infrastructure Chat Interfaces Agents and Automation Image Generation