Best of Product Hunt|July 17, 2017

1. First UsersFind out how successful startups got their 1st users

2. Zuckerberg ShirtIt's grey and it always will be.

3. ContrastA macOS app for quick access to WCAG color contrast ratios

4. Book Like A BossSimple platform to sell your services & book appointments

5. FlowA typeface built for wireframing

7. HappyMeterA frictionless way to measure happiness and job satisfaction

7. LinkedIn for DesktopA desktop app for Windows 10

8. Growth Score40+ companies share their Net Promoter Score secrets!

10. Converter BotConvert files and websites easily on messenger

11. Roadmap for ChromeTrack product feedback from anywhere - for free!

12. Lun.AR LanderRecreate the Moon landing in augmented reality 🌖🚀

12. Wordmark.itHelps you choose fonts

15. Fire for TinderA/B test your Tinder photos with actual data 📊

16. bitcoin.teamTrack the most active Bitcoin Core developers 🛠️

16. Emoji Keyboard Pro for iPhoneEverything your iOS emoji keyboard should be. 🔥

17. Snug for InstagramPreview your next Instagram post before you send it

20. Art ChatbotDiscover, learn about, and purchase artwork