Dewqs' NMS is a spam screener, and control tower, for several POP email accounts. Powerful heuristic engine (statistical dictionary) can be updated via the web (registered users only). Automatic unsubscribing, bouncing, and reporting, also available.

PresenTense Time Client is a time client for Windows NT/2000/XP/2003/Vista. It synchronizes your PC system clock to a GPS or network time server. Supports e-mail and syslog alarm redundancy and can be remotely managed. Supports NTP, NINA and DHCP.

SMTP/POP3/IMAP PowerBASIC email component library (SEE4PB) uses a simple API to send and receive mail, including HTML and MIME attachments. Comes with many PowerBASIC examples Supports all versions of 32-bit PowerBASIC.