OstroSoft Software Products

SMTP component - software library for sending emails programmatically.
Supports multiple recipients, email (MIME) attachments, AUTH and POP3 authentication, HTML email, custom headers, embedded objects, SSL, base64 and quoted-printable encodings, international characters and Unicode.
Latest version: 8.0.6 (more info)
Non-commercial license: free (view license agreement) (download)
Developer license: $19.00 (purchase)
Server license: $59.00 (purchase)
Enterprise license: $139.00 (purchase)

POP3 component - software library for retrieving email messages from POP3 mailserver.
Supports secure email(SSL), complete and partial message retrieval, email (MIME) attachments, mailbox status check and reset.
Latest version: 4.0.3 (more info)
Non-commercial license: free (view license agreement) (download)
Developer license: $19.00 (purchase)
Server license: $59.00 (purchase)
Enterprise license: $139.00 (purchase)

Internet Tools - integrated set of highly configurable network and Internet utilities.
Includes scan wizard, port and domain scanners, connection, host, service mail and html watchers, ping, traceroute, netstat, ns lookup, ftp, whois, ph, finger and many more.
Easy-to use interface, detailed output, reporting and logging capabilities, command-line arguments support, context-sensitive help.
Latest version: 6.2.1 (more info)
Complete installation: 4.76 MB (download)
Feature-limit version: free (shareware)

OstroSoft Winsock - software library providing access to the network layer of operating system (UDP and TCP sockets).
OSWINSCK.dll serves as a wrapper for the Winsock API and helps programmers to abstract from the complexity of API calls and focus on application functionality.
Works with programming and scripting languages supporting COM.
Latest version: 2.2.4 (more info)
Non-commercial license: free (view license agreement) (download)
Developer license: $19.00 (purchase)
Server license: $59.00 (purchase)
Enterprise license: $139.00 (purchase)