computer scientist, founder of ZIRUIgetzirui.com
Weekly subscription and SaaS benchmarks from ProfitWell
Data and banter behind the best (and worst) pricing pages
How to become a great product manager
A live classroom quiz game made by high school students
Take responsive screenshots with the click of a button
Free UI gradients template with styles and fills
A personal URL for all your video calls
Short stories from reddit based on how much time you have
Graphic t-shirts made for developers.
TL;DR for developer documentation
Test the speed of your apps
The world's first intelligent journal
You are ready for iPhone X, but is your app ready?
Send a meme to your friends in the post
A printable and interactive pen and paper escape game
Internet-connected clock makes your space unique.
Travel prep in 6 taps (instead of 100+)
Protect your content with an invisible, trackable watermark.
Slackoverflow wrapped in a social network
Embed customized social media feeds on your website.