DayOtter
Open-source Calendly alternative with a self-hostable AI
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DayOtter is the AI-native, open-source scheduling platform. Otter books meetings, protects your focus, and clears the back-and-forth - confirm-first. Sync every calendar, run your team, self-host it all under AGPLv3.
PH · launched Oct 30, 2026 · 1 upvote (top 67%) · 0 views
Niche: meeting and schedule planning software · 103 launches, 6 in the last 7 days ▼ -14% · Explore this niche →
Category and tags
- Horizontal
- Workflow automation
- Prosumer
- AI feature
- Hobby / open-source project
- Android
- Productivity
- Open Source
- Calendar
- GitHub
Visit website ↗ Source listing ↗
More like this: all 103 launches in meeting and schedule planning software →
Could you build this?
Yes A scheduling app with calendar sync, booking pages, and an AI assistant is a well-trodden category. Google and Microsoft calendar APIs and an LLM cover the hard parts, and the AGPL open-source angle adds no technical barrier.
Competitors
Other products that read as similar to this one : 76 launches clear the similarity bar, closest 8 shown.
Attention rank: #42 of 77 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 290 days after the earliest competitor.
- OpenCalendar · ph · 2026-10-03 · 1 upvotes · similarity 0.50
- PostOtter · ph · 2026-09-14 · 2 upvotes · similarity 0.48
- Daymon · hn · 2026-02-17 · 6 upvotes · similarity 0.46
- FastScheduler · hn · 2026-01-13 · 46 upvotes · similarity 0.43
- Daykite AI Calendar · ph · 2026-10-24 · 1 upvotes · similarity 0.43
- DayButler - AI‑Powered Daily Assistant · ph · 2026-09-19 · 1 upvotes · similarity 0.42
- Syder · ph · 2026-09-24 · 2 upvotes · similarity 0.41
- DayCue - Daily Agenda Agent · ph · 2026-09-23 · 1 upvotes · similarity 0.41
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.