GDV
GDV Studio
Local GDV data analysis, visualisations, comparisons and professional reports.
The new generation of PICALLW
Intelligent Software with purpose.
We develop software that connects technology, research and human potential — from industrial automation to advanced biofeedback tools.
GDV Studio 
Solutions
One brand. Multiple fields.
PICALLW combines decades of software development experience with new research directions.
DEV
Custom Software
Tailored business applications, system integrations, specialist desktop software and research-oriented solutions.
BMS
Feniks2Bacnet
Integration of BACnet, Modbus, KNX and other building automation systems.
IQ
Free IQ Test
A bilingual online test of logical, numerical and abstract reasoning with automatic scoring.
DR
Digital Radionics
Experimental software for structured intention, symbolic protocols, sound and subjective biofeedback.
Custom development
Software designed for your company—not the other way around.
We develop custom-made software in business informatics, industrial integration, data processing, reporting and specialised professional workflows.
✓ Business information systems
✓ Web and Windows applications
✓ Database, API, BMS and SCADA integration
✓ AI-assisted workflows and reporting
Featured
GDV Studio
A desktop application for organised GDV data processing, clear result presentation and long-term measurement tracking.
✓ Local data storage
✓ Multiple views and measurement comparison
✓ Report export and multilingual support
GDV Studio Experimental software
Discover Digital RadionicsExplore Digital Radionics.
Learn what digital radionics means in the PICALLW research context and open the experimental PHP application.
Free online test
Explore your logical reasoning.
PICALLW IQ Test is a real bilingual test that anyone can complete free of charge in a web browser. Results and entered information are stored in the back-end system.
Legacy
Open archiveThe original website remains part of the story.
The PICALLW programmer and original content will be preserved in a dedicated archive section.