Calcapp vs Pencil Project
A side-by-side look at Calcapp and Pencil Project. For an in-depth review of either product, follow the links below.
Calcapp
Office & Productivity
Calcapp is a free online calculator app that allows you to perform various mathematical calculations seamlessly in your web browser. It supports basic, scientific, graphing, date calculations and conversions with a simple and intuitive interface.
mathcalculatorfreeonline
Pencil Project
Development
Pencil Project is a free and open source GUI prototyping and mockup tool. It allows users to create wireframes and prototypes for software interfaces and websites quickly and easily, without programming knowledge.
wireframingmockupsguidesign
Related Comparisons
OmniGraffle
Balsamiq Wireframes
Scapple
Diagram Designer
WireframeSketcher
SpiderScribe.net