With Submit Checklist, each project starts with an idea in our minds. Then we do not turn the idea into a product. We have to share the product with the world.

Calcapp is an app designer for spreadsheet users with support for almost 300 formula functions. Lay out your interface visually, connect formulas to fields and share your app with co-workers and customers. Add multi-level menus to help your users navigate, buttons that e-mail PDF reports and validation rules that flag bad values. Apps work offline.

A website that plans multi-destination trips in a few clicks Our algorithms for multi-city itineraries and AI-powered backend help save time, money and energy by comparing top travel opportunities to show the perfect trip at the cheapest price.