Short description of Canaware DevAssistant 4.0: A tool suite used to facilitate and accelerate your .NET application development. It includes: .NET Resource Editor - creates the .NET resource files visually; Regular Expression Checker - tests your useful regular expressions interactively; Thumbnail Image Maker - creates thumbnail images for your web applications; GUID Generator - generates a GUID; RSA Key Generator - generates the public and private key pair for RSA algorithm.