Foundry alternatives
Tools that could take the place of Foundry, ranked by the stacks builders put them in rather than by stars alone.
Other frameworks in the runchr registry that do the work of Foundry — a tool somebody pairs with it ranks above a more popular stranger. Read the Foundry page or browse every frameworks.
Agent meta-harness for Claude Code and Codex with swarms and memory
Lightweight self-hosted Python framework for building personal AI agents.
Java framework for building distributed, production-grade, long-running agents.
Open-source book on AI agent design with 109 hands-on experiment projects.
Frontend stack for building agent-powered apps with chat and generative UI.
Open-source drivers, sandboxes, and benchmarks for computer-use agents.
Python framework for building RAG pipelines and agent workflows.
Rust-based agent operating system for running autonomous scheduled agents.
Build production AI agents and multi-agent workflows in Python and .NET.
Meta-harness orchestrating Claude Code, Codex, Cursor and custom agents.
Open-source runtime for colonies of parallel AI agents that do real work.
TypeScript framework for building agents with memory, tools, workflows, and MCP.