Utilities1 week ago
calculate.at — 305+ Calculators, No Signup Required
Instant access to 305+ calculators for money, health, math, and everyday conversions.
@calculate_at · X
The full gallery
Tech stack
21 projects
Instant access to 305+ calculators for money, health, math, and everyday conversions.
@calculate_at · X
Free collection of 48 online calculators for finance, health, math, and everyday needs.
@avinashraj61815 · X
i vibe coded this week
Use free business calculators for profit margin, break-even, and tax analysis.
@BizCalcLab · X
Fast, free online calculators with no sign-up. Money, dates, cars and percentages, with the answer straight away and a breakdown of where every figure comes from.
@MyMicroTools · X
Building MyMicroTools 🧮 A growing collection of free calculators and useful tools for everyday life. 💰 Finance 📊 Math 🛠️ Everyday utilities No signup. No paywall. Just useful tools. 🌐
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
Free payroll calculator for Indian HR teams, calculating EPF, ESI, PT, TDS, and salary breakdowns.
@TusharArora89 · X
A free LOP splitter, salary proration, and PF ECR file generator for Indian payroll teams. Built around my own day job in payroll. No login, no ads. Already getting real usage across 8+ countries.
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 meetings and work projects actually cost your company per day.
@mafaldateles_ · X
My first web app is out! I built a tiny tool to help answer a simple question: could that meeting have been an email? You decide.
Free ESOP calculator to estimate startup equity value, dilution, vesting, and exit scenarios.
@SheshankSi60747 · X
Create professional invoices in seconds. Track your financial runway, manage clients, and visualize revenue trends. The #1 free financial toolkit for freelancers, contractors, and
@rohankewal · X
Estimate monthly payments for mortgages, auto loans, and personal loans with free calculators—no signup required.
@itskdubs_ · X
Chore chart app that gamifies household tasks and tracks family allowances.
@bendrumin · X
I built nights and weekends as a solo founder. 📱 130+ users worldwide, paying subscribers, zero churn 🤖 Built AI-native with Claude Code + Cursor (React/Supabase) My day job: PM owning 13 partner integrations at a wealthtech CRM, where I cut client onboarding from 4-6 weeks to 1-2. Now looking for my next thing: Integration/Platform PM or technical PM roles. DMs open 👇 #buildinpublic #ProductManagement #hiring #opentowork