15 Web Apps That Built Remarkable Communities

Great article. I love how it breaks down how companies successfully created communities through sharing, curation, and help.

tl;dr

1. Tumblr: Blog Themes

2. GrabCAD: 3D Models Library

3. JotForm: Form Templates

4. LayerVault: Designer News

5. Hubspot: OnStartups

6. Moz: Inbound.org

7. Adobe Creative Cloud: Adobe Kuler

8. Evernote: Evernote Ambassadors

9. Google Docs: Document Templates

10. Airbnb: Neighborhoods

11. Shopify: Themes

12. Medium: Collections

13. Ride With GPS: Bike Maps

14. Goodreads: Book Lists

15. Github: Open Source Repos