Categories

Productivity

1. InvoiceFreely

Free online invoice generator for freelancers and small businesses. Create professional PDF invoices instantly — no signup, no fees, no data stored. Works entirely in your browser.

Finance & FinTech Productivity SaaS

Free roof pitch calculator. Enter rise and run, a degree angle, or a pitch ratio to instantly get pitch ratio, angle in degrees, slope percentage, and rafter length. Includes a live SVG roof diagram, a reference chart of 20+ common roof pitches, and a blog covering roofing guides. All calculations run in your browser — no account needed, no ads, completely free.

Education Tech Productivity