oh-my-pi (omp) is a highly capable, open-source AI coding agent featuring deep IDE integration, built primarily in Rust. Forked from Mario Zechner's Pi, it bridges the gap between LLMs and local environments. It stands out by providing persistent Python and Bun tool-calling kernels, native Language Server Protocol (LSP) integration for exact refactoring, and real DAP debugger attachment (lldb, dlv, debugpy). Additionally, omp introduces 'Hashline' for precise edits, time-traveling stream rules for instant course-correction, and first-class subagent orchestration. Operating natively across macOS, Linux, and Windows, it serves as a comprehensive, out-of-the-box coding assistant.
Archon is the first open-source harness builder and workflow engine for AI coding, designed to make AI coding deterministic and repeatable. It allows developers to define their entire development processes—including planning, implementation, validation, code review, and PR creation—as YAML workflows. This ensures reliable and consistent execution across projects, preventing the randomness often seen in AI agent outputs. By encoding the development process with defined phases and validation gates, Archon provides a structured framework where AI intelligently fills in each step, akin to how Dockerfiles brought determinism to infrastructure or GitHub Actions to CI/CD.