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60 projects
Calculate portfolio rebalancing strategies and tax-optimized allocation decisions.
@mvo_guy_travis · X
I've noticed an explosion of new (free) financial tools from relatively amateur sources. Is this the vibe coded future?
Free ESOP calculator to estimate startup equity value, dilution, vesting, and exit scenarios.
@SheshankSi60747 · X
Free calculators for analyzing startup and marketing metrics.
@NAVNEET_CODES · X
Free AI, startup, and marketing calculators built for founders, marketers, students, and business professionals.
Calculate how much you'll spend when your app stack exceeds free tier limits.
@K_dev001 · X
Vibe coding makes launching an app almost free. Running it is another story. I built to calculate your full AI + app stack costs and show which free tier breaks first. Sourced pricing. No signup. No guessing. ->
Free, accurate online calculators and practical guides for finance, math, health, construction, engineering, and everyday life.
@CoreToolLaxl · X
I'm building CoreToolLab, a free utility site with calculators for finance, health, education and everyday decisions. We're trying to make each tool genuinely useful rather than just another basic calculator.
Collection of 125+ free calculators for finance, health, legal, real estate, and travel—no signup required.
@Arafat3599651 · X
Just launched 🧮 125+ free calculators — mortgage, BMI, debt payoff, compound interest, calories & more. No signup. No ads. Everything runs in your browser instantly. #buildinpublic #webdev #react
Audit your landing page across 22+ factors in under a minute. Dashboard AI copilot, grade trends, analytics, and Reddit leads in one workspace.
@Canvasowl · X
Building the best way to audit your landing page and find leads:
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
Analyze credit and forecast financial outcomes for lending decisions.
@caseyyoshi · X
All-in-one calculator with standard, scientific, unit, currency, BMI, age, EMI, tip and percentage tools.
@yraviraj1 · X
Check out what I just built with Lovable!
Use 100+ free online calculators for math, chemistry, physics, loans, health, and AI costs—no signup needed.
u/averageChilean · Reddit
Built a free tool site to help my brother study — now has 100+ tools, would love feedback My brother's in high school and needed something more visual to study chemistry, physics, and math, so I used Claude to build him a simple site with interactive calculators and visualizers. I'm not a programmer or from a tech background, so without AI this wouldn't have happened, at least not this fast. It ended up helping him a lot more than I expected, so I kept expanding it, added a bunch of other
Free calculators to help homebuyers understand their offer before submitting.
u/Offer-Buildr · Reddit
I built a free suite of home offer calculators because I felt that most mortgage calculators answer the wrong question I started and run a small free tool called "Offer Buildr" that helps homebuyers understand an offer before their agent writes it. The core builder turns a listing price into true monthly cost and cash to close, then walks the ten decisions in an offer and prints a one page summary to hand your agent. Last week I shipped the piece I wish I had started with: five single-ques
