Open-source AI support tools
Every project on flag92 — positioning, license, model support, deploy difficulty, best-fit scenarios.
Knowledge base / RAG 4
AnythingLLM
EasyAll-in-one local knowledge base and RAG application
FastGPT
MediumChina's most popular open-source knowledge base + AI workflow platform
MaxKB
EasyEnterprise knowledge base + AI Q&A from the 1Panel team
RAGFlow
MediumOpen-source RAG engine powered by deep document understanding
Chatbot builder 2
Support platform 5
Chatwoot
MediumAn open-source, omnichannel customer engagement platform — an Intercom alternative
Erxes
HardOpen-source customer experience platform — CRM + marketing + support in one
FreeScout
EasyLightweight open-source helpdesk — a free Help Scout alternative
Papercups
MediumElixir-based open-source Intercom alternative, community-driven
Zammad
MediumVeteran open-source ticketing system favored across European enterprises
LLM app platform 7
Dify
MediumOpen-source LLM app platform — visually orchestrate agents and workflows
Coze Studio
MediumByteDance's open-source AI Agent development platform
Flowise
EasyDrag-and-drop builder for LangChain apps
Langflow
EasyPython-based visual builder for LangChain
LibreChat
EasySelf-hosted multi-model chat frontend — an open-source ChatGPT UI
LobeChat
EasyModern open-source ChatGPT UI with a rich plugin and agent ecosystem
Open WebUI
EasyThe most popular Ollama frontend — the default client for local LLMs