Mastra alternatives
Tools that could take the place of Mastra, ranked by the stacks builders put them in rather than by stars alone.
Other frameworks in the runchr registry that do the work of Mastra — a tool somebody pairs with it ranks above a more popular stranger. Read the Mastra page or browse every frameworks.
100-line minimalist LLM framework for building agents and workflows.
TypeScript framework for building agents with memory, tools, workflows, and MCP.
Connect your own documents to a model, with retrieval built in.
CLI and library for evaluating and red-teaming LLM prompts, agents, and RAGs.
The most widely used framework for building LLM applications.
Agent meta-harness for Claude Code and Codex with swarms and memory
Organize role-playing agents like a small software company.
Microsoft's framework for multi-agent conversation.
Assemble a team of role-playing agents in a few lines.
Open-source book on AI agent design with 109 hands-on experiment projects.
AI-oriented quant investment platform for ML-driven research and production.
Lightweight self-hosted Python framework for building personal AI agents.