Calgebra
Set algebra for calendars in Python
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HN · launched Jan 4, 2026 · 5 upvotes (top 90%) · 0 views
Niche: specialized algorithms and computing libraries · 230 launches, 4 in the last 7 days ▼ -73% · Explore this niche →
Category and tags
- Horizontal
- Dev tools
- Developer
- Not AI
- Hobby / open-source project
Visit website ↗ Source listing ↗
More like this: all 230 launches in specialized algorithms and computing libraries →
Could you build this?
Yes Calgebra is a focused Python library implementing set operations (unions, intersections, differences) over recurring calendar events and intervals.
Discussion
2 comments analyzed.
Competitors mentioned: Google Calendar, dateutil, RFC 5545 implementations
Competitors
Other products that read as similar to this one : 185 launches clear the similarity bar, closest 8 shown.
Attention rank: #172 of 186 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 54 days after the earliest competitor.
- How to mentally calculate the day of the week for any date · hn · 2026-08-24 · 80 upvotes · similarity 0.49
- Twocal · hn · 2026-08-05 · 5 upvotes · similarity 0.49
- I built a calendar app that gives each event its own to-do list · hn · 2026-11-12 · 15 upvotes · similarity 0.47
- easy-calendar-maker · github · 2026-11-10 · 102 upvotes · similarity 0.46
- Lazycal · hn · 2026-02-27 · 6 upvotes · similarity 0.45
- Exploring Mathematics with Python · hn · 2025-12-19 · 268 upvotes · similarity 0.45
- Exploring Mathematics with Python · hn · 2025-12-18 · 5 upvotes · similarity 0.45
- Uninum · hn · 2026-04-14 · 6 upvotes · similarity 0.45
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.