There are a number of live applications running on Catalyst. Some of them are listed below, along with their Alexa rankings. Many other Catalyst-based applications are in production but internal. See also Perl 5 powering Web 2.0.
http://www.appliedstacks.com/PoweredBy/Catalyst lists 138 sites powered by Catalyst as of 2009-03-13.
|BBC iPlayer - TV and radio highlights (mention)|
|vox.com - Blogging site by Six apart [1,474]|
|Magazines.com - Magazines.com is the oldest, the largest, and the most dependable magazine subscription service on the Internet. [11,142]|
|Foxtons.co.uk - London's Leading Estate Agent [27,539]|
|Manchester Evening News - Site of the English daily newspaper (announcement) [16,860]|
|www.editgrid.com - Online spreadsheets (developer forum mention) [21,586]|
|takkle.com - High School Sports Social Network [28,801]|
|iusethis.com - Organize and discover apps [30,877]
For tips and tricks from behind the scenes of the iusethis development check out Marcus' Bag of Tricks from IUseThis talk.
|Mister Poll - Online polls (announcement) [63,165]|
|www.evo.com - Eco-friendly products, services, and information (announcement) [190,037]|
|www.ketabkhoneh.com - Social bookshelf imitating Facebook and offering book downloads [615,253]|
|MighTyV - TV Listings (Winner of the BBC Backstage competition) [2,014,833]|
|www.urbia.de - Germany's leading platform for all things family [7,103]|
www.jessesword.com/sf - OED Science Fiction Citations pages, running on Catalyst since 4.X
NetAcad Advantage Post-training resources for CISCO NetAcad students
NetAcad Instructor Reference resources for CISCO's NetAcad instructors
Penny's Arcade - Online retail site featuring gifts, home accessories, and artwork