The following are the OPC client freeware list according to the product, specifications and supplier:
1. Product: OPC Explorer
Specs: DA; AE; Security
This OPC client software is free and easy to apply OPC client. It is supports OPC DA 1.0 and 2.0, and also A&E. The only OPC Client they have established that supports the specification of OPC security 1.0.
2. Product: OPC HDA Explorer
Specs: DA; HDA
This OPC client software is free tool for validating historical data throughout HDA, testing servers of HDA, and connectivity troubleshooting to serversof HDA.
3. Product: OPC Explorer Mobile
Specs: DA; AE; Security
This OPC client software is handy mobile edition of the MatrikonOPC Explorer standard that is able of being encouraged from PC to PC with no being installed on an real hard drive.
4. Product: dOPC Explorer
Specs: DA; XML DA
This OPC client software is XML-DA and DA OPC client, with basic trend charts. Currently supports XML-DA 1.01 and DA 3. It is free for non-commercial use only.
5. Product: OPC DA Client
This OPC client software is OPC DA 2.0 client and browser utilities. The Data Access Client subscribes to the initial 100 server tags it discovers and constantly shows updates of their values.
6. Product: OPC DA Explorer, OPC AE Explorer
This OPC client software is free GUI clients presenting synchronized connection to multiple servers.
Supplier: Integration Objects
7. Product: MMI OPC Explorer
This OPC client software is very easy GUI client for browsing available Data Access items and servers.
Supplier: MMI OPC
8. Product: Nautsilus OPC Explorer
This OPC client software is a Data Access 2.0 Demo version diagnostic client. It lets live connecting to other applications through a simple operation of Copy and Paste, plus bshorting between two servers.
9. Product: OPC Test Client
This OPC client software is test client of OPC, initially intended for examination servers compatibility with the PID tuning Product Company.
10. Product: OPC Test Client
This OPC client software is simple application of MDI, with broad support for the interfaces of Data Access.
Supplier: Rockwell Software
11. Product: OPC Viewer
This OPC client software is free utility to assist troubleshoot and test OPC connections and servers.
12. Product: OPC Voyager
This OPC client software is software visualization for industrial plants and buildings. Free tester version has no time limit, but it is limited to five pages and five elements/page.
13. Product: Prosys OPC Client
This OPC client software is simple client of DA with source, the Prosys Sentrol demonstrating capabilities rapid framework development.
14. Product: Quick Data
This OPC client software is free DA client according to the same Local IO product company.
Supplier: Industrial DOT NET
15. Product: Server Explorer
This OPC client software is easy and powerful to utilize test client. Correlation Wizard enables a connection server with a multiple and group items to be recognized with just 5 mouse clicks.
Supplier: National Instruments
16. Product: OPC Demo Client
Specs: DA; AE; XML; DA
This OPC client software is easy and flexible to utilize client. Version 4.10 adds incorporated support of XML-DA to the available support for DA and AE.