Polypane vs TennisKeeper

Improve your web dev workflow 5x with the browser for devs and designers

Polypane is the browser for web developers and designers. It shows your site in multiple viewports with everything synced between them. And when we say everything, we mean everything: scrolling, clicking, typing, hovering and even our unified developer tools edit content in all viewports at the same time, a unique feature and a massive time saver.

Polypane has all the tools you need to build responsive, accessible and performant sites five times faster. It's perfect for people that care about making great websites and web apps that are fast, accessible and responsive. With built-in accessibility checkers, simulators, overview of cookie info, meta info, live reloading and much more.

Location: Amsterdam, Netherlands

Help tennis players stay motivated and maximize their enjoyment of the sport.

TennisKeeper is a new and free iOS app. It tracks your tennis activities, scores, footwork, and tennis strings usage. You can visualize your progress and see how you are improving over time.

Track your singles or doubles matches, hitting practices, tennis lessons and cross-training activities. Record your opponent's games style using our easy to use templates. Interactive dashboards display your match stats, total time spent, calories burned, steps count, head to head stats and many more. Share your scores, notes, and tennis photos with your friends or on social media.

TennisKeeper integrates with your Apple HealthKit so that you can understand your movement on the tennis court. Your data is stored on Apple iCloud so that it is safe and secure. No additional account creation is required.