ladder Article in Wikipedia.

LDMicro from Jonathan Westhues. This tool is used since version 1.5, for executing small ladder diagrams by Netzer.

Bonjour for Windows Bonjour service for Windows. Service for discovering (MDNS) Netzer and other devices in the network.

Avahi Bonjour for Linux.

DNS SD Bonjour Plugin for Firefox. For easy discovering Netzer in networks.

Wireshark The swiss knife of Ethernet protocol analyzers.

Playcap Simple replaying of Wireshark sniffs.

Hammer-Terminal A terminal program. Among other useful features, the program offers the possibility to send and receive characters in ASCII, decimal, hexadecimal or binary representation.

com0com Open source Null-modem emulator for Windows. com2tcp is included. It is for simple serial to socket communcication to access the remote Netzer serial port due virtual COM ports on PC side.

Hercules This terminal program can be used for tests on GPIO server or serial server.

PUTTY A further terminal program as an HyperTerminal alternative.

Sprinkler from Bart Eversdijk. Automatic control of a sprinkler.

NETraction from Daniel Nüsse. Controlling an LCD via Netzer.