Website Pricing Calculator

Billsprig is a free invoice generator that creates invoices, quotes, and receipts as PDFs in seconds. Designed for freelancers, tradespeople, and small shops, it offers real PDF downloads, 22 currencies, and per-line tax and discounts without sign-up or data upload.

Typometer helps designers and developers compose typographic scales using CSS tokens. It provides a structured approach to defining font sizes and line heights for consistent web typography, offering tools to establish a visual hierarchy across projects.

DUAL-UX promotes dual-experience websites that combine a conventional site for customer acquisition with an installable, app-like experience for retention. Its own site can be installed, loads fast, and works offline. It targets businesses that want one web presence to serve both marketing and returning-user needs.

An ordering app for Sasy's Cake Away that lets customers reserve the shop's desserts and sweets in advance. Made for the bakery's own clientele, it offers a simple way to book treats ahead of pickup, with an Italian-language interface.

Calculate in a notebook and share — from everyday math to engineering. Use variables, functions, and units and see results immediately. Add comments, copy calculations to apps like Word or Excel, or share them through an editable link. Calculate thermodynamic fluid properties with the integrated CoolProp library.

A single-purpose calculator for estimating total compensation. Useful for employees and job seekers who want to combine the components of a pay package, such as salary, bonus, and equity, into one overall figure when evaluating or comparing job offers.