Some more technical applications and a small tutorial:

• Database Converter:
  Programmers tool for converting databases.
  Converts form/to: DBF/CDX -> ADS (Advantage) <-> Easytable. Screenshot.

• FilePropertyLog XP+: 
  Command line tool which scans documents within a directory structure and logs their NTFS file properties such as title, subject, keywords, author, company, comment etc. as well as path, creation and change dates. Log file can be created in several file formats. Very practical for inventories of a greater numbers of documents.
  New in Ver. 1.5 (Dec. 2010): Can now read also Open XML Word documents.
  Screenshot

• ToggleIni:
  Small command line tool which allows toggling variables in  an .ini file - e.g. switching between private and company settings of a browser or a banking software. Would be executed from a batch file.

• Autostart after suspend mode:
  have you ever wondered how to execute programs every time your notebook wakes up from suspend mode - e.g. the Complete Calvin & Hobbes viewer? Here is how to.