CiscoWorks has become an umbrella brand nowadays. There're several distinctive product suites sold under that name:
http://www.cisco.com/go/ciscoworks
Assuming you're referring to CiscoWorks LMS, here're the options you'd be presented with when installing LMS 3.x:
1) Common Services 3.x
2) LMS Portal 1.x
3) CiscoWorks Assistant 1.x
4) CiscoView 6.x
5) Integration Utility 1.x
6) Resource Manager Essentials 4.x
7) Campus Manager 5.x
8) Device Fault Manager HPOV-NetView adapters 3.x
9) Device Fault Manager 3.x
10) Internetwork Performance Monitor 4.x
11) All of the above
---Add-On Applications--------------------------------
12) Health and Utilization Monitor 1.x
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So it definitely qualified for the "modular" descriptive.
I don't think LMS 2.x is being sold anymore, so here're the LMS 3.x licensing options in Table 2 or 3:
http://www.cisco.com/en/US/prod/collateral/netmgtsw/ps6504/ps6528/ps2425/product_bulletin_c25-534875.html
