Alternatives to Relay

Tools that do the most similar job to Relay, closest first.

• Harness Manager — Your AI coding stack manager, all in one place
• Grist — Open source coding harness
• Juggler — A visual AI coding harness
• keel — AI coding agents that prove their work
• Kit by Speakeasy — Your coding agent runtime. Claude but fast, cheap, concise.
• Harden — A security layer for AI coding agents
• GBrain — Plug your own memory, tools, and skills into any AI
• CowAgent — Open-source personal AI assistant & Agent Harness. Plans tasks, runs tools and skills, self-evolves with…
• GenCode — A coding agent inside the Genspark Super App
• ponytail — Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.
• Canary (YC) — Independent verification for AI code
• Superset Mobile — Your coding agents, now in your pocket

Opening Liz…