SCADA HMI for substations and automation applications.

Implementation of Siemens S7 protocol in golang

C# implementation of Siemens S7 connections with a focus on performance

Mokka7 is native port of Snap7 core in pure Java (fork of moka7 http://snap7.sourceforge.net) and parts of Sharp7.

S7 PLC communication library for Java, based on Moka7

PascalSCADA for Lazarus

Parser of the industrial protocol S7 (S7comm) using Libpcap

HarpoS7 is a C# library for authenticating sessions in the S7 Comm Plus protocol, supporting both legacy challenge (TIA Portal V16 and older) and TLS authentication (TIA Portal V17 and newer).

Modern .NET helpers to read/write from/to Siemens S7 encoded streams

Communication gateway between serial devices and a PLC

SCADA system implemented in Node-RED. It includes customizable data visualization tabs, a login panel and a login log.

Log some parameters from your Siemens S7 PLC into postgres DB using S7 protocol.

S7-KNX communication gateway

Lightweight python library for data reading/writing with Siemens PLCs