Startup articles: launches, insights, stories

4

Pool Calc Lab

Work out pool volume, salt, chlorine, pH and heating cost. Free, no signup.

Other

pool

calculator

pool

chemistry

chlorine

POOLCALCLAB.COM

Sent 2 days ago by yiriba.helpdesk

6

Mortgage Overpayment Calculator

Free mortgage overpayment calculator helping homeowners estimate interest savings and pay off their mortgage sooner.

Finance and Fintech

mortgage

calculator

overpayment

finance

MORTGAGEOVERPAYMENTS.CO.UK

Sent 2 days ago by gptpro8087

12

AfriWidget

AfriWidget offers 100+ free online calculators, generators, converters, and productivity tools that help users solve eve

Education

calculator

online-tools

productivity

AFRIWIDGET.COM

Sent 2 days ago by nervetune

1

Efficienco

Free online calculator for estimating bitumen and asphalt material requirements.

Other

bitumen

calculator

asphalt

calculator

EFFICIENCO.COM

Sent 3 days ago by anujb2909

12

SAT Score Calculator

Free Digital SAT score calculator with adaptive module scoring.

Education

sat

score

calculator

SAT-SCORE-CALCULATOR.COM

Sent 5 days ago by J_Observer

12

StepStat

Calculate z-scores, variance, averages, standard deviation, confidence intervals, and more. Free to use with formulas, w

Education

statistics

calculator

STEPSTAT.NET

Sent 5 days ago by rxwspace

9

Sumivo

Calculate anything. Understand the result.

Software as a Service (SaaS)

date

difference

calculator

construction

SUMIVO.NET

Sent 6 days ago by sumivo

6

SellWhere

Enter a price, compare seller fees across 6 resale platforms

E-commerce

resale

fees

fee

calculator

reseller

tools

SELLWHERE.APP

Sent 9 days ago by qjxxzjl

9

Free Asphalt Calculators

Free calculators for asphalt, concrete, gravel, topsoil, millings, driveway costs & sealcoat. Fast, accurate estimates f

Software as a Service (SaaS)

asphalt

calculator

concrete

calculator

FREEASPHALTCALCULATORS.COM

Sent 11 days ago by silkmarketing6

7

PSL Rating Calculator

Free AI-Powered PSL Scale & Score Calculator to analyze facial aesthetics and features online.

Artificial Intelligence (AI)

ai

calculator

psl

rating

aesthetics

PSLRATING.PRO

Sent 11 days ago by maaaaph

8

Conduit Fill Tool

Free conduit fill calculator and NEC conduit fill reference tools for electricians, contractors, engineers, apprentices,

Software Development

conduit

fill

calculator

conduit

fill

CONDUITFILLTOOL.COM

Sent 13 days ago by conduitfilltool

20

OpenFate

Calculation-first BaZi, Zi Wei, Vedic and Western astrology tools with transparent settings and multilingual explanations.

Artificial Intelligence (AI)

bazi

calculator

astrology

tools

true

solar

time

OPENFATE.AI

Sent 13 days ago by hi

8

todecimal

Time to Decimal Calculator | Hours to Decimal Converter

Other

time

to

decimal

calculator

TODECIMAL.COM

Sent 13 days ago by yunfei9527888

9

bazicalculator

Calculator for bazi

Other

bazi

reading

bazi

calculator

BAZICALCULATOR.SG

Sent 15 days ago by tan.thaimkok

11

Date Calculator

Simple tool to calculate days between two dates or add or subtract days from a given date.

Software as a Service (SaaS)

date

calculator

calculator

DATECALCULATOR.SITE

Sent 19 days ago by awsipsr2026

10

CycleShe

Track Your Next Cycle

Education

period

calculator

CYCLESHE.COM

Sent 23 days ago by yuchuan520

7

Sellerview.ai

Track real Amazon FBA profit, fees, and margins at the SKU level.

Software as a Service (SaaS)

fba

calculator

amazon

profit

SELLERVIEW.AI

Sent 26 days ago by sellerview.ai

10

Lab Laps

Lab Laps puts 25+ lab calculators, counters and protocol tools in one app. AI counts colonies and builds protocols for you. Used by 50,000+ labrats.

Software as a Service (SaaS)

lab

calculator

LABLAPS.COM

Sent 28 days ago by logicforge93

7

Mortgage USA Calculator

Estimate Your Monthly Mortgage Payment in Seconds

Finance and Fintech

usa

mortgage

calculator

mortgage

MORTGAGEUSA.ORG

Sent 31 days ago by brownikek

5

Loan Car Calculator

Calculate monthly car loan payment along with Sales Tax, Fees, Trade-in & Extra Payments

Finance and Fintech

car

loan

calculator

LOANCAR.NET

Sent 31 days ago by brownikek