AWStats
1,600 websites

AWStats is free to use

http://awstats.sourceforge.net/

AWStats is a free powerful and featureful tool that generates advanced web, streaming, ftp or mail server statistics, graphically. This log analyzer works as a CGI or from command line and shows you all possible information your log contain...

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Topsy
278 websites

Topsy offers both free and paid options

http://www.topsy.com

Topsy provides social media analytics software that provides Instant Social Insight to companies and organizations of all sizes. The Topsy Pro platform has indexed 2.5B (and growing) pieces of data and information. This makes Topsy one ...

Market Share by Top Websites

1 AWStats is leading in Top 100K Sites, Top 1M Sites and The Entire Web.

2 Topsy is leading in Top 10K Sites.

Websites Categories

1 AWStats has better usage coverage in more websites categories. Including Computers Electronics & Technology, Science & Education, Law & Government, Arts & Entertainment and 19 other categories.

2 Topsy is leading in News & Media.

Geography

1 AWStats is leading in most countries, including France, United States, South Korea, Netherlands and 68 other countries.

2 Topsy is leading in Japan, Israel, Armenia, Sri Lanka and 2 other countries.