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Calculate GST, HST, PST and QST for all 13 provinces and territories, take tax back out of a total, work out Ontario construction payment deadlines, and compare 114 small-business software plans in one price index. Free, no sign-up, embeddable.
PH · launched Nov 10, 2026 · 1 upvote (top 65%) · 0 views
Niche: specialized calculation tools · 551 launches, 66 in the last 7 days ▼ -7% · Explore this niche →
Category and tags
- Fintech
- Vertical SaaS
- B2B
- Not AI
- Commercial product
- Productivity
- Fintech
- Accounting
Visit website ↗ Source listing ↗
More like this: all 551 launches in specialized calculation tools →
Could you build this?
Partial The tax calculators are simple arithmetic on published rates and can be vibe-coded, but the Ontario construction deadline logic needs legal accuracy and the 114-plan price index requires ongoing data collection.
What it would actually take: The calculators are a static front end with a rate table per province, which is easy to build. The difficult parts are the Ontario Construction Act payment-deadline rules, which need a lawyer's review to be correct, and a continuously maintained, verified database of small-business software pricing. Expect a web app plus a curated data pipeline and periodic legal and rate-change checks.
Competitors
Other products that read as similar to this one : 739 launches clear the similarity bar, closest 8 shown.
Attention rank: #148 of 740 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 90 days after the earliest competitor.
- GST/HST Calculator · ph · 2026-09-26 · 1 upvotes · similarity 0.80
- Reverse Sales Tax Calculator · ph · 2026-10-03 · 1 upvotes · similarity 0.80
- MyTaxCalculators · ph · 2026-10-13 · 1 upvotes · similarity 0.63
- GST Calculator · ph · 2026-09-15 · 1 upvotes · similarity 0.60
- Percentages.in GST, Discount & · ph · 2026-10-16 · 1 upvotes · similarity 0.59
- Invoice Generator · ph · 2026-10-24 · 1 upvotes · similarity 0.56
- OpenTaxCalculator · ph · 2026-10-09 · 1 upvotes · similarity 0.54
- onGST Calculator · ph · 2026-09-22 · 2 upvotes · similarity 0.54
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.