Developer Tools
OPC UA Desktop Client
FREEA native application for macOS and Windows. Connect to OPC UA servers, browse deep node hierarchies, inspect certificates, monitor values, access historical data, and export source evidence before those tags feed TwinEdge DataOps, digital twins, analytics, EAM, Field, APIs, and MCP.
Diagnostic proof
Validate the source before you build the operating layer.
TwinEdge diagnostic tools help implementation teams inspect OPC UA servers, browse nodes, check certificates, monitor values, export test data, and confirm readiness before DataOps, edge runtime, digital twins, analytics, EAM, Field, APIs, and MCP depend on the source.
Browse
Node discovery
Inspect address spaces before committing mappings.
Monitor
Live values
Validate quality, updates, and operating ranges.
Export
Test data
Create evidence for integration, simulation, and onboarding.
Power Features
Multi-Server Connections
Connect to multiple OPC UA servers. Manage connections with saved profiles, auto-reconnect, and session persistence.
Node Tree Browsing
Full address space navigation with search, filtering, and bookmarks. Expand thousands of nodes with virtualized rendering.
Historical Data Access
Query HA (Historical Access) servers for time-series data. Visualize trends with built-in charting and export to CSV or Parquet.
Bulk Read & Write
Select multiple nodes for batch read or write operations. Schedule recurring reads and log results to a local database.
Download
Free for all users. No license key required.
Technical Specs
- ConnectionsMultiple saved profiles
- Monitored ItemsSized by server and host
- Historical AccessFull HA support
- Data ExportCSV, JSON, Parquet
- Security PoliciesAll OPC UA policies
- Auto-UpdateBuilt-in updater
Get the Desktop Client Free
Download now and connect to your OPC UA servers in minutes. No account or license key needed.