OpenBuilder: Open source alternative to Lovable
Where vibe coders actually finish their projects.
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YC · launched Nov 9, 2025 · 60 upvotes (top 38%) · 0 views
Niche: ai app builders · 190 launches, 9 in the last 7 days ▼ -53% · Explore this niche →
Category and tags
- Horizontal
- Dev tools
- Developer
- AI-native
- Hobby / open-source project
- Generative AI
- B2B
- No-code
- Infrastructure
- AI
Visit website ↗ Source listing ↗
More like this: all 190 launches in ai app builders →
Could you build this?
Yes AI app builder platforms that stream code generation from an LLM and render live previews in an iframe sandbox (using tools like Sandpack or WebContainers) can be vibe-coded in days.
Competitors
Other products that read as similar to this one : 1207 launches clear the similarity bar, closest 8 shown.
Attention rank: #429 of 1208 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 9 days after the earliest competitor.
- Dataleap - Claude Code for Business Users · yc · 2026-01-22 · 7 upvotes · similarity 0.59
- I built an app for vibe-coding games · hn · 2025-12-18 · 5 upvotes · similarity 0.58
- Sheet Ninja · hn · 2026-03-29 · 85 upvotes · similarity 0.57
- I made an app full of bugs · hn · 2026-05-11 · 6 upvotes · similarity 0.54
- vibeclaude · github · 2026-10-07 · 158 upvotes · similarity 0.54
- awesome-jev-projects · github · 2026-09-18 · 371 upvotes · similarity 0.54
- vibe-writing-open-source · github · 2026-09-12 · 31 upvotes · similarity 0.53
- VibeDrift · hn · 2026-06-25 · 5 upvotes · similarity 0.53
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.