The full gallery
Tech stack
13 projects
Verify mathematical expressions reliably using five independent numeric engines via REST API and MCP.
@UtevR57878 · X
Not vibe-coded, rather AI assisted dev:
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
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.
Calculate mortgages, loans, taxes, savings, and budgets online.
@darsh0891 · X
Meet CalcyFinance — the simple way to track your budgets, monitor spending, hand actually hit your savings goals without the headache. Stop guessing where your money goes. Try it out: 👍 #PersonalFinance #Budgeting #Fintech #buildinpublic
Manages U.S. tax filings and bookkeeping for startup founders on mobile.
@taxheroai · X
tax app for startups - free tax calendar for startups -
Enter a website URL to estimate its monthly income and total value based on traffic, domain metrics, and monetization methods.
@hezhiyan7 · X
哥飞老师新做了一个网站价值估算的玩具还挺意思，大家可以来估算下自己的网站价值多少。 我估算自己的某个网站有$546k，来个冤大头购买我的网站吧🤣 估算入口：
Access 97 free financial calculators for mortgages, retirement, taxes, and debt.
@finexplainedhq · X
Accurate MRR, churn and LTV for SaaS, built from your Stripe, Paddle, Creem or Asaas billing data. Then ask Kometrics AI anything about your revenue and get an answer with the repo
@camposped · X
Subscription metrics for the AI era:
Create and download professional PDF invoices with your logo and tax calculations.
@jcolementor · X
Fast free invoice generator for small businesses
Name the U.S. State incentive programs your startup can actually apply for. Instant report for 450 NIS, no VAT. Free preview shows program count and region fit.
@dan72ros · X
Calculate Amazon FBA profits, margins, and break-even ACOS in your browser.
@SukeJ56505 · X
🚀 Just launched: Tired of clunky spreadsheets for Amazon FBA? 100% Free & Private: Zero server storage means your supplier costs and profit data never leave your browser. No API, no registration. #BuildInPublic #AmazonFBA #IndieHacker
Upload bank statements and invoices to automatically generate categorized ledgers and GST-ready books.
@pujaabharadwaj · X
