Self-Hosted AI Coding Agent

A multi-agent dev workspace lets you run several AI coding workers in parallel on your own machine, and DevSpace Ultra is the open-source tool that makes it possible using nothing more than your existing ChatGPT subscription. It layers an elastic “Chat Swarm” control plane on top of the DevSpace local MCP workspace, so one ChatGPT account can power a pool of independent ChatGPT Classic worker conversations that scale up and down with your workload. This guide explains what DevSpace Ultra is, how the worker pool works, how to set it up, and the honest platform and cost trade-offs you need to know before adopting it. ...

A self-hostable Codex is an open-source coding-agent platform you run on your own infrastructure instead of depending on a single vendor’s cloud. Proliferate is exactly that: an AGPL-3.0 AI IDE from a Y Combinator S25 founder that runs Claude Code, Codex, OpenCode, Cursor, and Grok in parallel inside one workspace, gives each task an isolated git worktree, and lets you self-host the entire control plane with Docker, AWS, Kubernetes, or even air-gapped operation. It is the open-source answer to the “Codex everything app” thesis. ...