Best of Product Hunt|April 19, 2021

1. 100 in 100 ChallengeGet 100 new paid users in 100 days

2. JupiterIf Instagram and Whole Foods had a baby

3. Building Mobile Apps at ScaleThe missing guide for building large apps

4. Personal Libraries by Read This TwiceOrganize book collection, create and share reading lists

5. BlankWireframe kit to built websites quickly

6. Zoom With MeCreate a gorgeous Zoom link preview

8. sydeCopy the same stocks rich people buy

7. Amazing Video Call GuideSimple tips for great video calls

9. Flexmonster DesktopFree pivot table & charts tool for insightful reporting

Render Sandboxes: a computer for every agentIsolated compute, persistent state and a real filesystem

10. Flow Genius (Webflow Development Agency)Convert any website to Webflow superfast and hassle-free

11. Spark'nUnique 15m experiences to ignite your virtual team meetings

15. MuilBuild PDF and email templates using React

14. Brands That TextGreat SMS templates for growing brands

13. Tiny TalkClubhouse and ChatRoulette had a baby

LoomHit record, hand off to AI

18. Magic Popup by FrontendorConvert visitors Into Signups by 50%

19. Hey ParentsCurated books for curious parents

20. Be FocusedFocus timer for work and study