TeXworks - The TeXworks project is an effort to build a simple TeX front-end program (working environment)...

RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.

Table Generator - WYSIWYG table editor that allows you to generate code in LaTeX, HTML, Markdown, Text-only

Slickdeals.net - Slickdeals: The Best Deals, Coupons & Discounts on everything

Texpad - LaTeX editor for macOS, macOS, iOS, iPad, iPhone and iPod Touch, with syntax highlighting, multi-file support and integrated PDF

Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.