LibreOffice - Base - Base, database, database frontend, LibreOffice, ODF, Open Standards, SQL, ODBC
SnapDB - Simple, flat-file database/list app.
Altova XMLSpy - The XMLSpy XML Editor is a powerful tool for editing XML and related technologies. It is the only XML Editor with patented SmartFix validation, enterprise-grade editors, converters, debuggers, and code generators.
sPlaylistMaker - sPlaylistMaker allows you to easily create .m3u and .m3u8 playlists
My Visual Database - Using My Visual Database, you can create databases for invoicing, inventory, CRM, or any specific purpose.
Playlist Creator - At oddgravity you find useful tools for Windows and exciting games for the small deflection in between. All programs are Freeware and can be downloaded directly from the homepage.