NetDefender is a Free Firewall with source code, which can be downloaded along with firewall executables. Netdefender works only on windows 2000 and above versions of windows. Netdefender has a very easy to use interface.
Collection of C++ Builder Examples with source code and project files. Examples include: Database Example in C++ Builder, working with database in C++ Builder. Creating small database application with access database.
PMC's Motion Control Application Programming Interface (MCAPI) is a suite of programming libraries, drivers, help files, sample programs (with source code), and utilities for C/C /C#, Pascal, LabVIEW and Visual Basic programmers.
ShopClock, small business time clock software, is QuickBooks compatible, network ready, and fully supported. It has multiple overtime calculation methods and a calendar based vacation/sick day management system. Rent or purchased. Free 30 day trial.