1)
SkDNS ActiveX Control 4.0
SkDNS ActiveX Control is a DNS (Domain Name Service) ActiveX control that can be used for network diagnosing, troubleshooting, and monitoring.
It allows developers to integrate the DNS protocol message sending capability into their applications.
2)
HS X.25 (with RFC1613 XOT) C Source Library 1.2
HS X.25 is a software library in C (supplied with full source code) which implements ITU-T recommendation X.25. Includes RFC1613 Cisco XOT module for X.25 over IP applications.