Tools

Source Control

VMerge - compares two files and merges them into a single one. Excellent integration tool for multi-programmer teams.

Class Builder by Jimmy Venema - a great tool for creating and manipulating classes. Features include class diagrams, relation diagrams, importing Visio diagrams, generation of HTML and RTF documentation, generates code for MFC serialization. Freeware.
Experimental Object Technologies - tools for building parrallel and distributed systems. COVERS is a visual object-oriented modeling and simulation environment. Free for non-comercial use. DOME is a full-cycle set of tools for developing, deploying and managing distributed projects. Full support of DCOM.
ODBC Record Class Generator by Shekar Narayanan - generates optimized data access classes that retreive row using bulk fetching. The code generated by this tool along with virtual list view gets and displays 5000 records from SQL server database in just one second. Freeware
Stored Procedure Class wizard - generates classes for accessing stored procedures. Freeware.

Systems Internals - lots of tools to monitor everything from CPU usage to disk access. A must have for every serious developer. Freeware.
Control Spy - a set of 22 programs that helps you to understand internals of Windows common controls. Freeware.
InCtrl 4 - get a handle on programs you install. This utility will report changed files and registry entries. Freeware.