Calculatorology

Reviewed matches are labeled. Other suggestions come from a shared subcategory, use case, source listing or the same category. Compare features and current plans before choosing.

Product
OUNZOZ — Free Calculators 24 free calculators for health, finance & school
Online Calculator Plus Explore Online Calculator Plus – your one-stop destination for fast, accurate, and easy-to-use online calculators. Simplify your calculations
ToolSunny Free calculators, converters, generators and templates
Practical Tools Free tools for business, work, property, and everyday decisions Fast calculators, generators, and converters that run in your browser. No signup, no paywall, no uploading sensitive data.
MatrixCalcu.com Matrix calculations with clear step-by-step guidance.
Calciora Calciora provides free, fast, and smart online tools for freelancers and small businesses.
Free-Calculator.org Free-Calculator.org offers fast, accurate, and free online calculators for finance, health, math, and more — everything you need in one simple hub.
CookingCalcs CookingCalcs offers 12 free kitchen calculators — no signup, no paywall, open and use instantly.

Selected by category and available use-case details. A topic match does not establish equivalent features.

Product
Foloosi Foloosi is one of the popular eCommerce Merchant Payment platforms that enables you to expand your business.
Fabrk.dev Production-ready Next.js starter kit with auth, payments, and 78+ components
AI Toolzs Smarter Tools. Simplified Discovery.
Money+ Real-Time Expense Tracking with Google Sheets
DriftCatch.app Drift Catch helps freelancers and small studios protect their income — collect a deposit before work starts, lock the scope once the client signs, and turn every extra into an e-signed change order.
CryptoTradeMate Trade smarter, not harder

Added to this directory in the past 30 days. Dates refer to the directory listing, not the product launch.

Product
The Calculator Hub Free online calculators for mortgages, BMI, calories, percent, age and more, with the formula and a worked example for every answer.
Huumans Funding Engine We launched funding options for Canadian small businesses
Digital Capital Ltd Intelligence Layer!!
SnapPulse AI chart analysis and trade planning from a photo

Profiles grouped by topic. This does not confirm an offer, availability or a connection to this profile.

Profile
Valerie Phoenix Fractional CTO for startups @ Phoenixing
Richard Felix I help online businesses to get more customers and keep the ones they have.
Suresh Sadhu SAP S/4HANA finance consultant specializing in AI-driven enterprise finance

Shows and channels grouped by topic. A recommendation does not mean this profile was featured or endorsed.

Show
StartupClub YouTube · 74K subscribers
Unlock | Startup, Entrepreneurship & Business YouTube · 4K subscribers
Gregory Scott Henson - The Startup King YouTube · 2K subscribers

Retold founder accounts from startups in the same category, each linked to the original.

Story
Cory Zue sells a Django boilerplate, not a $10k MRR meter Cory Zue says SaaS Pegasus now makes about 80 percent of his income as a one-time Django starter kit, after Place Card Me taught him to sell PDFs for about $5 and after 2021 product income of about $113,000 across his po
ProjectionLab hit $10k MRR after years of nights and weekends Kyle Nolan says he built ProjectionLab for his own financial plan, did not expect others to want it, and reached $10,000 MRR after more than two years of solo nights-and-weekends work, with a stepwise chart he published
J Jen Yip stayed a company of one at $45,000 ARR Jen Yip says she ran Lunch Money as founder, engineer, designer, and support, and that by May 2020 the budgeting app had 600-plus users and $45,000 ARR. Later she wrote that paying subscribers crossed 1,000 and ARR $80,0
Brex changed co-CEOs when the company got too large for shared calls Henrique Dubugras says he and Pedro Franceschi invented an internal-versus-external co-CEO split at Pagar.me, repeated it at Brex, then moved to a Chairman and sole-CEO structure as Brex 3.0 and a possible IPO made joint

Subcategories in the same part of the directory, with the number of listed products.