LibreChat
MCPMIT
Self-hosted ChatGPT alternative with multi-model support, agents, MCP tools, and code interpreter.
45k·Self-Hosted AI·Open source
Alternative to
mastra
MCPOpen sourceMastra is a TypeScript framework for building AI agents, workflows, and MCP servers.
27kNOASSERTION
Mastra is the modern TypeScript framework for AI-powered applications and agents.
Pros
- +Model routing to 40+ providers
- +Built-in workflows and human-in-the-loop
- +MCP server authoring support
- +Integrated evals and observability
Cons
- −Primarily TypeScript, not language-agnostic
- −Steep learning curve for complex workflows
- −Relatively new, ecosystem still maturing
Target audience: TypeScript developers building production-ready AI agents and applications.
Related tools
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LibreChat
MCPMIT
Open-source ChatGPT clone with agents, MCP, multi-model support, and self-hosting.
42k·Self-Hosted AI·Open source
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CopilotKit
MIT
Build agent-native apps with generative UI, shared state, and human-in-the-loop workflows across React, Angular, Vue, Re
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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
editor
MCPMIT
Open-source 3D architectural editor with MCP support for AI-driven building design.
22k·Developer Tools·Open source
Alternative to