Mockaroo - A realistic data generator to test your app

MailtoUI.js - Enhance your mailto links with a convenient user interface.

JSON Generator - Create mock and sample JSON using a powerful template syntax

Mailjoy - Delightfully easy direct mail marketing. A DIY direct mail tool created for marketing and growth teams. Design, mail & track personalized direct mail postcards and letters. Digital marketers use Mailjoy to send data-driven mail campaigns.

Softbuilder SB Data Generator - SB Data Generator is a simple and powerful tool to generate and populate selected tables or entire databases with realistic test data.

The Simple Postcard - Text a photo to mail it as a postcard