First-party only — a session id and where you arrived from, so we can tell which pages are worth writing more of. No advertising, no third-party trackers, nothing that follows you off this site.
5 tools in this category.
Open-source autonomous software engineer. Runs in a container, can be self-hosted entirely.
Open source and free to self-host · managed cloud is paidA fully autonomous agent you assign tickets to. It works in its own cloud environment and opens PRs.
Usage-based, priced well above assistant toolsPrompt to UI. Generates React components and full pages you can preview, iterate on, and export.
Free tier · paid plans by credit allowanceFull-stack app generation in the browser. Runs Node in a WebContainer — no local setup at all.
Free daily allowance · paid token tiersDescribe an app; Replit builds, hosts and deploys it — database, auth and all — in one environment.
Free tier · Core from ~$20/mo · usage-based agent checkpoints