Calculator Builder

Build & add interactive calculators to your website! Choose from more than 50 premade calculators or build your own from scratch. No coding required. Free plan available. Zapier Integration. Publish Anywhere.

freemium $5.0 / Monthly ("PayPal payments", "Order From", "Mail Results", "Zapier")

Create powerful, beautiful Calculator forms

Create price calculator forms with conditional pricing

paid Free Trial $8.0 / Monthly

Design web calculators easily with our builder—no coding needed. Choose from templates or create from scratch. Check it out now!

freemium $19.0 / Monthly (Lite)

Build apps instead of spreadsheets

uCalc is a universal builder of forms and calculators.

Chemical WorkBench is a software for kinetic mechanism analysis and device/reactor scale kinetic modeling of processes in gases, plasma and at the gas-solid interfaces.

iWinSoft Image Converter is a batch image processor that allows the user to convert multiple images to most popular vector and raster image formats including EPS, PSD, PDF, TPIC, PNG, JPG and all types of RAW formats.

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Use online spreadsheets, smart forms and beautiful charts in your blog or website. Put your booking and order forms online. Show live charts. Change any cell and the online spreadsheet or live chart immediately updates itself.

ScrollReveal is a tool to add scroll animations for web and mobile browsers.

Open Source

Create beautiful calculator forms and help your website visitors get price estimates or make their...

Mapnik is a Free Toolkit for developing mapping applications.

Open Source