Hiawatha
60 websites

Hiawatha is free to use

https://www.hiawatha-webserver.org/

Hiawatha, a secure webserver for Unix

VS

IBM Websphere Application Server
147 websites

IBM Websphere Application Server costs money

http://www-03.ibm.com/software/products/en/appserv-was

Build, deploy and manage robust, agile and reusable SOA business applications and services of all types while reducing application infrastructure costs with IBM WebSphere Application Server.

Market Share by Top Websites

1 IBM Websphere Application Server is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

2 In terms of market share, Hiawatha is clearly lagging behind, losing to IBM Websphere Application Server in all segments.

Websites Categories

1 IBM Websphere Application Server has better usage coverage in more websites categories. Including Science & Education, Finance, Law & Government, Business & Consumer Services and 13 other categories.

2 Hiawatha is leading in Computers Electronics & Technology.

Geography

1 IBM Websphere Application Server is leading in most countries, including China, United States, Mexico, India and 18 other countries.

2 Hiawatha is leading in France, Germany, Austria, Netherlands and 8 other countries.