Open MPG Studio

Open MPG Studio is a free, open-source tool for calculating the Environmental
Performance of Buildings (Milieu Prestatie Gebouwen) according to Dutch building
regulations and EN 15804+A2.

Features:

- MPG score calculation based on NMD Category 3 generic data
- EN 15804+A2 shadow prices weighting
- Multi-document support with tabbed interface
- Materials database browser with 100+ building materials
- Category breakdown and top contributors analysis
- Formal MPG report generation for permit applications
- IFC 4x3 export for BIM interoperability
- JSON project export/import
- Multiple themes: Dark, Light, Blue, High Contrast
- Dutch and English interface
- No telemetry, no data collection, no subscriptions

This tool is NOT validated by NMD. Results are indicative and based on NMD
Category 3 generic data. For formal permit applications, verification must be
performed with an instrument validated by Stichting NMD.

Built with Tauri and web technologies for a fast, lightweight, native desktop experience.