Tcl Extensions - by Category
Essentials
Pure Tcl
New core features for older cores
Unix-specific
Windows-specific
OSX-specific
Database
Networking
Web programing
XML
GUIs
Numeric processing
Cryptography
Object-oriented extensions
Low-level utilities
Interface to third-party packages
Cross-language interoperability
Missing in action
Experimental/in development
Historical interest
Deeply experimental
Miscellaneous/uncategorized