Compare Stuff is a network of websites that are containing comparison charts for many web applications. I would like to recomend you this sites:

CMS Matrix compares content management systems, blogs, and page publishing tools. Their database currently contains 815 CMS, from small to enterprise, and you can select up to 10 content management tools to compare at once. Here you can discuss, rate, and compare the various systems available on the market today.

Forum Matrix compares available forum softwares (currently 41 of them). You can select forum softwares you would like to compare, click on compare button and you will see comparison chart. If you are not sure where to start you can visit Choice Wizard that can help you through the first steps of narrowing down the list of available Forums matching your special needs.

On Compare Stuff website you can also find links for:

Epayment Matrix - Compares epayment solutions (PayPal, Authorize.net and Google Checkout…)

Affliate Software Review - Compares affiliate tracking systems (Commission Junction, LeadHound…)

Compare IM - Compares instant messaging clients (AIM, Gaim, Skype, GoogleTalk, MSN Messenger…)

Messaging Matrix - Compares mail servers and mail service providers (Microsoft Exchange, CommuniGate Pro, GMail…)

BI Contrast - Compares Business Intelligence Software (Crystal Reports, ProClarity…)

Compare Hangouts - Compares social networks, dating sites, and other interpersonal communication web sites ( e|Harmony, Match.com, MySpace…)

Which Poker Sites - Compares online poker sites (Absolute Poker, Party Poker, Paradise Poker…)

MMO Matrix - Compares online games (Dark Age of Camelot, Dungeons and Dragons, Wolds of Warcraft…)

Compare Canines - Compare dogs (Poodles, Terriers, Boxers, Hounds, Bulldogs…)