LibreChat
MCPMIT
Self-hosted ChatGPT alternative with multi-model support, agents, MCP tools, and code interpreter.
45k·Self-Hosted AI·Open source
Alternative to
CopilotKit
Open sourceBuild agent-native apps with generative UI, shared state, and human-in-the-loop workflows across React, Angular, Vue, Re
37kMIT
The Frontend Stack for Agents & Generative UI. React, Angular, Mobile, Slack, and more. Makers of the AG-UI Protocol
Pros
- +Multi-framework support (React, Angular, Vue, React Native, Slack, Teams)
- +Generative UI and shared state for dynamic agent interactions
- +Human-in-the-loop workflows for user confirmation and edits
- +AG-UI protocol adopted by major companies
Cons
- −Complexity for simple chat applications
- −Requires understanding of agent concepts and state management
- −Some channels (Discord, WhatsApp) still in development
Target audience: Frontend developers building AI-powered applications with rich, interactive agent experiences across web and messaging platforms.
Related tools
Other open-source tools that share tags with CopilotKit.
LibreChat
MCPMIT
Open-source ChatGPT clone with agents, MCP, multi-model support, and self-hosting.
42k·Self-Hosted AI·Open source
Alternative to
mastra
MCPNOASSERTION
Mastra is a TypeScript framework for building AI agents, workflows, and MCP servers.
27k·AI Agents·Open source
Alternative to
nocobase
MCPNOASSERTION
Open-source AI + no-code platform for building business systems with WYSIWYG interface and AI agents.
24k·Other·Open source
activepieces
MCPNOASSERTION
Open-source AI workflow automation with 400+ MCP servers for AI agents, a Zapier alternative.
24k·AI Agents·Open source
inspector
MCP
Visual testing tool for MCP servers with web, CLI, and TUI interfaces.
11k·Developer Tools·Open source