OneStat
674 websites

OneStat offers both free and paid options

http://www.onestat.com/

Reduce costly downtime. Don't lose visitors and customers. Our Uptrends worldwide checkpoints will monitor your website, network and services from around the globe. Alerts by SMS / text messages/ RSS, IM or email.

VS

Open Web Analytics
109 websites

Open Web Analytics is free to use

http://www.openwebanalytics.com/

Open Web Analytics (OWA) is open source web analytics software that you can use to track and analyze how people use your websites and applications.

Market Share by Top Websites

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

2 Open Web Analytics is leading in Top 10K Sites and Top 100K Sites.

Websites Categories

1 OneStat has better usage coverage in more websites categories. Including Hobbies & Leisure, Arts & Entertainment, Science & Education, Computers Electronics & Technology and 15 other categories.

2 Open Web Analytics is leading in Reference Materials, Food & Drink, E-commerce & Shopping and Lifestyle.

Geography

1 OneStat is leading in most countries, including Netherlands, United States, Belgium, United Kingdom and 61 other countries.

2 Open Web Analytics is leading in Austria.