The full gallery
Tech stack
25 projects
Free Bazi calculator that generates your Four Pillars chart and destiny insights.
BaziCalculator.ai — 免费在线八字排盘与解读工具，输入出生日期、时间和城市即可生成四柱、日主、五行与十年大运；按出生地真太阳时校正，时辰不详也可生成三柱命盘，无需注册
Calculate stamp duty and property transfer taxes for UK, India, Australia, Singapore & Canada.
@SinghwalPreet · X
🚀 Just launched I built it to make tax calculations simple, fast, and free—without signups or unnecessary clutter. Waiting for feedback! 🔗 #BuildInPublic #IndieHackers #WebDevelopment #SEO #SideProject #Tax #Finance #NextJS
Free calculators for DIY home projects like woodworking, decks, concrete, and drywall.
u/CaboWabo55 · Reddit
Built a DIY calculator site in a weekend — betting on "boring tools" over content After my last project (an AI debate platform) got rejected by AdSense for "low value content," I went the opposite direction: no content treadmill, no AI features, no backend. Just genuinely useful calculators. studandslab.com — 10 free calculators for woodworking and home projects (board feet, stair stringers, concrete, drywall). Everything runs client-side, so hosting is free and every visitor costs me $0.
All-in-one platform for calculating EMIs, taxes, mutual funds, stock trading, rent vs buy, and retirement planning.
@sarkar68154 · X
Just launched FinoSphere Pro and the feedback on Product Hunt is 🔥 [ Free all-in-one finance calculator 👇 #buildinpublic #finance
Calculate how a raise affects your income after benefits cliffs.
@getpapi_ai · X
placed 3rd in the r/vibecoding vibejam 2026. It made me go viral in r/ohio It was my first ever jam entry, I'm also not a developer...or from Ohio. was planned, reviewed, shipped and currently managed by
Estimate take-home pay for Canadian provinces and U.S. states with simplified tax calculations.
@takehomeTax · X
US and Canada income tax calculator that takes RSU into account
Submit an online asset and get ranked on public leaderboards. One-time payment, $4 minimum per category, no subscription.
@HMKhan70 · X
have your own profile page and have your first deal from company or agency!
See where money is at stake before you spend. Free one-home Health Score, or landlord pricing: 2–7 fixed £350 Decision Review; 8+ five-property sample; quoted pilot. Indicative ran
@EranHertz · X
The path towards energy independence starts with knowing what is going on, what’s known and what’s missing.
Free, gamified investing lessons plus a fake-money simulator. Practice with $10,000 in pretend cash — real market prices, zero risk.
@QuolivApp · X
Turn household chores into a playful banking experience. Teach kids money skills with streaks, badges, and a virtual bank they can customise.
@thenunlimited · X
One for the kids..
Put your name, your logo and your accounts on a world for a dollar. Anyone can take it off you for a dollar more.
@mhmtycllll · X
Built a tiny internet experiment where you can literally buy the world. Would love to hear what you think. #buildinpublic #indiehackers #startups #saas
Simulate SaaS pricing models, token costs, and profit margins across 30+ currencies.
@HelloCalcaas · X
