modbus protocol

TekFax is a SIP (Session Initiation Protocol) fax receiver server runs under.

TekPhone is a SIP (Session Initiation Protocol) conference server

yxorp is a reverse proxy and application level firewall for the HTTP protocol

BeeNut is a multi-protocol instant messenger for Windows platform.

A module that speaks the DICT protocol used by dictionary servers.

This very simple module can speak the CDDBP protocol for getting audio

JFS is a simple, TCP/IP based network filesystem protocol.

mRemoteNG is an open source, tabbed, multi-protocol, remote connections manager.

Widely adopted open protocol for instant messaging.

Collanos Phone is a VoIP softphone and multi-protocol Instant Messenger