We have several applications which allow people to digitally sign. This small app takes a JPEG of a signature and converts it to a cropped translucent PNG Features include:
Technologies used: PHP, HTML5, Bootstrap 4, JavaScript, React.js, php gd2 and imagick library, Python, OpenCV
Note: As a reminder, I write web applications for the California Public Employee Retirement System. This is one of those apps, so I can't link a live demo here.