HEATKEYS

Sandbox is a set of tools and resources to enable developers and merchants to develop eCommerce web sites and applications using PayPal web services.

Tuts+ teaches creative and technical skills across many topics to millions of people worldwide. We offer tutorials, articles, news and insights that help you take your knowledge to the next level.

Udemy is a website that enables anyone to teach and learn online. Udemy tries to democratize online education by making it fast, easy and free to create online courses. Udemy is an open platform, so anyone can build an online course by posting videos...

Open Source Web Development Tutorials Dev Shed

paypal sourceforge project

Free PHP Classes, PHP Tutorials, Download PHP Scripts, PHP articles, PHP Jobs, Hire PHP Developers, PHP Book Reviews, PHP Language OOP Materials

CoderZone Programming Community - PHP snippets, HTML, CSS, JavaScript, XML, ASP, SQL, VBScript, References and Examples

The Blog of Micah Carrick - programmer, linux geek, and blogger apparently.

MachForm is a self-hosted web form builder program written in PHP. A modern HTML form builder, it makes use of the latest web technologies like AJAX, CSS, and Javascript.