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Spaife
One running tax estimate across everything you earn
Tax calculators are one-shot: enter numbers, get a guess, forget it. Spaife keeps one running federal estimate that updates as you earn — W-2 paychecks, stock and crypto trades, side gigs, betting — one number you can watch move. Event-sourced under the hood, so every estimate traces back to the exact income events behind it. Early access; estimates, not tax advice.
Hey PH 👋
I'm Rush — architect by day (affordable multifamily housing in Boston), solo builder of Spaife on nights and weekends.
The itch: my income stopped being one number years ago. Paychecks, stock and crypto trades, side-gig income, the occasional bet. Every tax tool wanted me to sit down once a year, type it all in, and get a snapshot that was stale by my next paycheck. April was a surprise party where the surprise is a number.
Spaife is what I wanted instead: one running federal estimate that updates as you earn. It's event-sourced under the hood — every paycheck, trade, or payout is an event, and your estimate is recomputed from the full history. The number on screen always traces back to the exact events behind it. No black box.
Honest fine print: it's early access and invite-gated while I harden it. US federal for now. And it's estimates, not tax advice — Spaife tells you where you stand; your CPA tells you what to do.
I'm self-taught and built this solo, so sharp feedback is the whole point of launching here. Drop your email at spaife.com and I'll personally send you an invite code — and tell me: what income source do you most wish showed up in a live number?
About Spaife on Product Hunt
“One running tax estimate across everything you earn ”
Spaife was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #94 on the daily leaderboard. Tax calculators are one-shot: enter numbers, get a guess, forget it. Spaife keeps one running federal estimate that updates as you earn — W-2 paychecks, stock and crypto trades, side gigs, betting — one number you can watch move. Event-sourced under the hood, so every estimate traces back to the exact income events behind it. Early access; estimates, not tax advice.
On the analytics side, Spaife competes within User Experience, Fintech and Personal Finance — topics that collectively have 418.5k followers on Product Hunt. The dashboard above tracks how Spaife performed against the three products that launched closest to it on the same day.
Who hunted Spaife?
Spaife was hunted by Rushikesh Patel. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Spaife including community comment highlights and product details, visit the product overview.
Rushikesh Patel