OpenCalendar
calendar,cal.com,calendly
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This is 1 of 96 launches in time zones, clocks, and scheduling tools — see how it stacks up on momentum and crowding →
56 other launches read as similar to this one →
Details
- External ID
- 1267417
- Source
- PH
- Company
- —
- Product
- OpenCalendar
- Website domain
- producthunt.com
- Launched
- Oct. 3, 2026
- Cohort
- —
- Upvotes
- 1
- Upvotes percentile
- 0.3259180348414588
- Tags
- Open Source, User Experience, Calendar, GitHub
- Fetched at
- Oct. 5, 2026, 1:01 a.m.
- Updated at
- Oct. 5, 2026, 1:01 a.m.
Description
Open-source, self-hostable scheduling — a Cal.com / Calendly alternative with team scheduling in the open core (AGPL-3.0) - kudretyilmazz/opencalendar
Enrichment
- Niche
- time zones, clocks, and scheduling tools
- Vertical
- Horizontal
- Function
- Workflow automation
- Audience
- Prosumer
- AI stance
- Not AI
- Project type
- Hobby / open-source project
- Normalized one-liner
- open source scheduling calendar
- Manually corrected
- False
Could you build this?
Yes This is an open-source clone of Cal.com/Calendly, representing a well-understood calendar scheduling app with timezone handling and OAuth integrations that can be assembled with AI assistants.
Competitors
Other products that read as similar to this one — 56 launches clear the similarity bar, closest 8 shown.
Attention rank: #29 of 57 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 335 days after the earliest competitor.
- cael · ph · 2026-09-25 · 2 upvotes · similarity 0.56
- Calenoo · ph · 2026-10-08 · 8 upvotes · similarity 0.46
- Cal.com Agents · ph · 2026-03-15 · 269 upvotes · similarity 0.44
- Carrie, for what Calendly can't do · hn · 2025-11-02 · 7 upvotes · similarity 0.42
- Free activity calendar for schools, sports clubs, and organizations · hn · 2026-05-29 · 9 upvotes · similarity 0.41
- just-simple-calendar · github · 2026-09-21 · 10 upvotes · similarity 0.41
- Lazycal · hn · 2026-02-27 · 6 upvotes · similarity 0.41
- OpenCal · ph · 2026-10-09 · 1 upvotes · similarity 0.41
Other launches for this product
- No other launches for this product.