One table, everything
Tool comparison
Every tool in one table — positioning, license, model support, deploy difficulty.
| Tool | Category | License | Deploy difficulty | GitHub stars | Best for |
|---|---|---|---|---|---|
| AnythingLLM All-in-one local knowledge base and RAG application | Knowledge base / RAG | MIT | Easy | 35.0k | Quickly validating "company knowledge base + AI Q&A" |
| Botpress Developer-focused visual platform for conversational bots | Chatbot builder | AGPL-3.0 / commercial EULA | Medium | 13.0k | Flow-driven support — pre-sales guidance, form collection, branching decisions |
| Chatwoot An open-source, omnichannel customer engagement platform — an Intercom alternative | Support platform | MIT | Medium | 22.0k | SMB teams already running multi-channel support, replacing Intercom / Zendesk |
| Dify Open-source LLM app platform — visually orchestrate agents and workflows | LLM app platform | Apache-2.0 (with conditions) | Medium | 65.0k | Consolidating LLM capabilities behind a single API for support frontends |
| Erxes Open-source customer experience platform — CRM + marketing + support in one | Support platform | AGPL-3.0 | Hard | 4.5k | Mid-sized teams needing CRM + marketing + support together |
| Coze Studio ByteDance's open-source AI Agent development platform | LLM app platform | Apache-2.0 | Medium | 22.0k | Teams wanting ByteDance's ecosystem with self-hosting |
| FastGPT China's most popular open-source knowledge base + AI workflow platform | Knowledge base / RAG | FastGPT Open Source License (modified Apache 2.0) | Medium | 24.0k | Chinese-first knowledge base + AI support projects |
| Flowise Drag-and-drop builder for LangChain apps | LLM app platform | Apache-2.0 (with attribution) | Easy | 36.0k | LangChain-fluent teams prototyping visually |
| FreeScout Lightweight open-source helpdesk — a free Help Scout alternative | Support platform | AGPL-3.0 | Easy | 8.0k | Small teams replacing Help Scout / Front |
| Langflow Python-based visual builder for LangChain | LLM app platform | MIT | Easy | 50.0k | Data science / ML teams visualizing LangChain |
| LibreChat Self-hosted multi-model chat frontend — an open-source ChatGPT UI | LLM app platform | MIT | Easy | 28.0k | Giving internal teams or existing customers a self-branded ChatGPT |
| MaxKB Enterprise knowledge base + AI Q&A from the 1Panel team | Knowledge base / RAG | GPL-3.0 | Easy | 15.0k | China-based teams already running 1Panel |
| LobeChat Modern open-source ChatGPT UI with a rich plugin and agent ecosystem | LLM app platform | Apache-2.0 (with conditions) | Easy | 60.0k | Branded AI chat entry point for customers |
| n8n Open-source workflow automation — the "glue" for AI support stacks | Workflow automation | Sustainable Use License (BSL-style; free to self-host) | Easy | 78.0k | Wiring support systems into CRM, ERP, email, databases |
| Open WebUI The most popular Ollama frontend — the default client for local LLMs | LLM app platform | BSD-3-Clause (with branding terms) | Easy | 90.0k | Compliance-heavy teams running local inference |
| Papercups Elixir-based open-source Intercom alternative, community-driven | Support platform | MIT | Medium | 5.8k | Teams fluent in Elixir / Phoenix |
| Rasa Industrial-grade open-source conversational AI framework, now with CALM | Conversational framework | Apache-2.0 (OSS) / Pro commercial | Hard | 19.0k | Regulated industries — finance, government, healthcare |
| RAGFlow Open-source RAG engine powered by deep document understanding | Knowledge base / RAG | Apache-2.0 | Medium | 79.0k | Government, legal, healthcare — serious documents with serious layouts |
| Typebot Beautifully designed visual builder for conversational forms | Chatbot builder | AGPL-3.0 | Easy | 9.0k | Website forms, pre-sales discovery, booking flows |
| Zammad Veteran open-source ticketing system favored across European enterprises | Support platform | AGPL-3.0 | Medium | 5.8k | Traditional teams used to OTRS / Zendesk flows |