List of commercial and open source OPC UA Clients
| Company | Client Name | Platform | Li. | ECC | Download link | Last version |
|---|---|---|---|---|---|---|
| Unified Automation | UA Expert | Windows/Linux | 🆓 | ❌ | http://bit.ly/UaExpert | 2.0.2 (2026-05-19) |
| Prosys | OPC UA Browser | All (java) | 🆓 | ❌ | http://bit.ly/ProsysOpcUaClient | 5.0.0 (2023-11-06) |
| Softing | OPC UA Demo-Client | Windows | 🆓 | ✅ | http://bit.ly/SoftingOpcUa | 2.50.0 (2025-10-02) |
| Free OPC UA | OPC UA Client GUI | All (Python) | 🆓 | ❌ | http://bit.ly/FreeOpcUA | 0.8.4 (2022-01-31) |
| Kepware | OPC UA Client Driver | Windows | 💰 | ❌ | http://bit.ly/KepwareOpcUa | ??? |
| Node OPC UA | OPC UA Commander | All (JS) | 🛠️ | ❌ | http://bit.ly/NodeOpcUaClient | 0.39.0 (2024-08-09) |
| Matrikon | OPC UA Explorer | Windows/Linux | 🆓 | ❌ | http://bit.ly/Matrikon | 2.3.2 (2024-10-07) |
ECC: Elliptic Curve Cryptography (OPC UA - 1.05)
License:
- 🆓: Free
- 💰: Commercial
- 🛠️: Open-source