#Testing Tools
5 articles tagged with #Testing Tools. This page is set to noindex per SEO configuration.
Free FTP Clients: Which One Fits the Job You Do
FileZilla, WinSCP, curl, lftp, Cyberduck — all free. Which FTP client fits your job, which support SFTP, and which to use for scripts and field work.
Free OPC UA Client: 6 Tools Compared and Tested
Free OPC UA client tools compared: UaExpert, Prosys, Softing, and open-source options, plus how to fix the certificate errors that block your first connection.
4 Best IEC 61850 Test Software for GOOSE & MMS (Engineers’ Guide)
**61850 Test Software** is essential for validating communication, interoperability, and correct behavior in modern digital substations. From GOOSE messaging and MMS communication
Best Free SCADA Software in 2026: 12 Open-Source and Free Platforms Compared
Compare 12 free SCADA software platforms for 2026. Covers Rapid SCADA, SCADA-LTS, JSON-SCADA, Ignition, and more with protocols, tag limits, and download links.
Best Free Modbus Software: 10 Tools for RTU and TCP Testing
Best free Modbus software for engineers: 10 tools for RTU, TCP, and ASCII testing. Master utilities, slave simulators, sniffers, and monitors compared.