
Free Online Calculators for Finance, Health & Math | RealCalculators
Free collection of 48 online calculators for finance, health, math, and everyday needs.
@avinashraj61815 · X
i vibe coded this week
The full gallery
Tech stack
60 projects

Free collection of 48 online calculators for finance, health, math, and everyday needs.
@avinashraj61815 · X
i vibe coded this week
![Quicklead - #1 LinkedIn Automation Tool for B2B Sales Teams [2026] — screenshot](https://onesvibe.app/img/screenshots/quicklead.jpg?w=800&h=500&q=75)
Quicklead is a cloud-based LinkedIn automation tool for B2B teams. AI ICP scoring, personalized sequences, free Open Profile InMails, smart inbox & CRM sync. Trusted by 1,800+ dail
@Parths049 · X

Track your total compensation including salary, equity, bonuses, and tax impact.
u/broli720 · Reddit
I built a total compensation tracker because spreadsheets kept lying to me about my RSU income Currently in big tech and it was always a toss up figuring out what my comp was whenever the market made big moves. I'd forget about vesting cliffs, miscalculate the tax hit on RSUs, or completely ignore how a sign-on bonus amortizes over 4 years when comparing offers. So I built CompPilot , a compensation copilot that tracks salary, equity/RSUs, bonuses, and taxes in one place. What it does:

Use free business calculators for profit margin, break-even, and tax analysis.
@BizCalcLab · X

Create professional invoices, quotations, and receipts instantly without signup.
@nametsobuilds · X

Upload your resume and get an instant, deterministic ATS-friendliness score, plus an optional job-description match with concrete fixes. A resume analysis tool, not a builder.
@atsbuddy · X

Generate QR codes instantly with Dimas' free, no-login toolbox.
u/Live_Mathematician20 · Reddit
I created a website with free tools. It all started when my colleague reached me with a complaint that she created a few QR codes, and after a week they started showing paywall. By that time those QR codes were printed on promo banners. I remember Internet as a place where you find a tool, use it and leave. That's it - no paywalls, no subscriptions, no accounts. So I decided to put a piece of those beautiful Internet back and created a small toolbox site - dimastoolbox.com Of

Automatically reviews contracts, invoices, and receivables to identify discrepancies and prevent revenue leakage.
@vicngan · X

Track expenses, income, accounts, and budgets with recurring rules.
@umarbashir · X
I just shipped my first ever SaaS product. It's a small personal fiance tracker especially to manage expense , incomes, loans, subscriptions, and set budgets for your expenses. You can find it here:

Track net rental profit, occupancy, and ADR across short-term stays, monthly leases, and direct bookings. Replace spreadsheet guesswork. Free for 2 properties.
@ismailRavian · X

Free, fast online calculators, converters and practical daily tools. No signup required and your saved data stays in your browser.
@SudJourney · X
Hey Nikhil, I am building everyday tools website

Track income, debts, goals, net worth and bills in a personal finance app.
@JasonMBrownPF · X
Aurum. Privacy-first personal finance tracker. Your spending data stays yours.