v0 alternatives: 3 free & open-source picks
Curated, verified, and actually free. No trials, no crippled tiers. Star counts and last-activity dates checked by hand, not scraped and forgotten.
Visual AI editor for React apps: click an element, restyle it, let the model write the code.
Describe a component and see it rendered live, with output as HTML, React, or Svelte.
last updated 2026-08-07 · no votes, no pay-to-list · just what's real
bolt.diyMIT source, but its WebContainers runtime needs a commercial licence for production business use.
ContinueAcquired and read-only, and an editor agent is not a component generator with live previews.
| tool | license | running it | platforms | stars | active |
|---|---|---|---|---|---|
| Onlook | open source | docker to self-host | web, self-hosted | 26,433 | 2026-07 |
| OpenUI | open source | docker to self-host | web, self-hosted | 22,496 | 2026-08 |
| Dyad | open source | one-click install | macos, windows | 21,100 | 2026-08 |
People still pay for v0 because the UI can be copied, but high-quality code models, context ranking, safe execution, and constant evaluation are the product. The recurring cost buys model changes, indexing, prompt injection, tool permissions, sandboxing, evaluation, telemetry choices, and IDE compatibility, not just the visible interface. If none of that applies to you, any pick above saves $240 a year.
Is there a free alternative to v0?
Yes: Onlook, OpenUI, Dyad. Every tool on this page is either open source or genuinely free to use long-term: no trials, no crippled tiers.
Should I just build my own v0?
Our verdict is NOT REALLY. A consolation build is possible, but the paid product's decisive value sits outside a solo rebuild. For v0, generate React components from a brief and write them into a local project with previews. The hard boundary is vercel models, design tuning, component data, deployment, and ecosystem integration, plus frontier models, context infrastructure, and execution safety. If you'd rather build, the exact one-shot prompt is free at canivibecodeit.com/v0.
