Kentico
10,715 websites

Kentico offers both free and paid options

http://www.kentico.com/

Kentico CMS for ASP.NET gives marketers and developers the ability to create websites. A solution for website, store, community and on-line marketing initiatives.

VS

Tumblr
386,778 websites

Tumblr is free to use

http://tumblr.com

Tumblr is a re-envisioning of tumblelogging, a subset of blogging that uses quick, mixed-media posts. The service hopes to do for the tumblelog what services like LiveJournal and Blogger did for the blog. The difference is that its extreme ...

Market Share by Top Websites

1 Tumblr is leading in Top 1M Sites and The Entire Web.

2 Kentico is leading in Top 10K Sites and Top 100K Sites.

Websites Categories

1 Tumblr has better usage coverage in more websites categories. Including Arts & Entertainment, Adult, Games, Lifestyle and 20 other categories.

2 Kentico hasn't got a lead over Tumblr in any websites category.

Geography

1 Tumblr is leading in most countries, including United States, Canada, United Kingdom, Germany and 148 other countries.

2 Kentico is leading in Iran, Côte d'Ivoire and Seychelles.