8 Best AgentLabs Alternatives in 2026 (Open Source)
AgentLabs — Universal AI Agent Frontend. Build your backend we handle the rest.. Open-source universal frontend for AI agents with built-in auth, real-time streaming SDK, and chat UI — focus on backend while it handles the rest (discontinued)
These 8 open-source tools do the same job. They are ordered by how closely they match AgentLabs, with live GitHub data so you can see which projects are actively maintained.
| Tool | GitHub stars | Stars / 30d | Last commit |
|---|---|---|---|
| AgentLabs(original) | 558 | +3 | 2025-02-06 |
| Chatbot UI | 33.4k | +34 | 2024-06-22 |
| langchain-chat-nextjs | 1.0k | +-0 | 2023-01-27 |
| Open WebUI | 153.6k | +3,958 | 2026-09-21 |
| LibreChat | 45.2k | +1,629 | 2026-09-30 |
| CopilotKit | 37.6k | +1,253 | 2026-09-30 |
| Composio | 30.4k | +454 | 2026-09-30 |
| AnythingLLM | 66.6k | +1,564 | 2026-09-30 |
| RAGapp | 4.4k | +6 | 2024-11-04 |
1. Chatbot UI
AI chat for any model.
What sets it apart: vs ChatGPT web app: open-source, self-hosted with Supabase backend for full data ownership — the most popular open-source ChatGPT UI clone with 28k+ stars
Best for: Developers wanting a self-hosted ChatGPT-like UI with data persistence; Teams needing an open-source chat interface they can customize; Organizations wanting full control over their AI chat data
2. langchain-chat-nextjs
Next.js frontend for LangChain Chat.
What sets it apart: vs other LangChain UIs: minimal Next.js reference implementation by LangChain community — the simplest way to connect LangChain's chat backend to a web UI
Best for: JavaScript developers wanting a simple LangChain + Next.js chat reference; Quick prototyping of LangChain chat interfaces; Learning how to connect LangChain backend to a web frontend
3. Open WebUI
User-friendly AI Interface (Supports Ollama, OpenAI API, ...)
What sets it apart: Unlike LM Studio (desktop-only, personal use), Open WebUI is a full multi-user platform with RAG, RBAC, SCIM provisioning, 9 vector DBs, and Google Drive/OneDrive integration — the most feature-complete self-hosted ChatGPT alternative
Best for: Teams wanting a self-hosted ChatGPT alternative with full data control and Ollama integration; Organizations needing enterprise-grade AI platform with LDAP/SCIM/SSO and multiple vector DB backends
4. LibreChat
Enhanced ChatGPT Clone: Features Agents, MCP, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message se
What sets it apart: Most feature-complete self-hosted ChatGPT alternative — uniquely combines agents, MCP, code interpreter, image gen, and multi-user auth in one package, unlike single-provider UIs
Best for: Organizations wanting a private, self-hosted ChatGPT replacement; Teams needing multi-user AI platform with access control and audit
5. CopilotKit
The Frontend Stack for Agents & Generative UI. React + Angular. Makers of the AG-UI Protocol
What sets it apart: Only framework with AG-UI Protocol standard for agent-to-UI communication — enables generative UI where agents create React components, unlike chat-only interfaces
Best for: Building AI copilot features into existing React/Next.js applications; Agent-native UIs where AI dynamically generates and controls UI components
6. Composio
Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.
What sets it apart: 500+ pre-built app integrations with managed auth — vs LangChain tools which require manual API setup per service
Best for: Building AI agents that need to interact with SaaS tools; Rapid prototyping of agent workflows with external integrations
7. AnythingLLM
The all-in-one AI productivity accelerator. On device and privacy first with no annoying setup or configuration.
What sets it apart: Unlike Open WebUI (chat-only) or RAGFlow (enterprise RAG focus), AnythingLLM is the most complete all-in-one desktop AI app combining RAG, no-code agent builder, MCP compatibility, multi-user support, and embeddable widgets — requiring zero coding to set up a private AI workspace.
Best for: Non-technical users who want a private, all-in-one ChatGPT replacement with document chat and agents; Small teams needing a self-hosted multi-user AI workspace with RAG and agent capabilities
8. RAGapp
The easiest way to use Agentic RAG in any enterprise
Best for: Enterprise teams needing self-hosted RAG with simple configuration UI; Organizations with data privacy requirements who can't use cloud AI services; Teams wanting OpenAI custom GPT-like experience on their own infrastructure