Welcome to the public repositories of GDK Software.

GDK Software is dedicated to helping organizations succeed with their Delphi applications. With offices in the Netherlands, UK, Brazil, and USA, we provide global expertise with a personal, no-nonsense approach. We believe in building long-term relationships and delivering sustainable, quality solutions.

Website: gdksoftware.com
Email: [email protected]

• Delphi Development - Custom software solutions built with expertise
• Application Upgrades - Modernizing legacy Delphi applications
• Code Quality Assessment - Improving code maintainability and performance
• Architecture Improvement - Restructuring applications for better scalability
• Developer Training - Sharing knowledge to empower your team
• Maintenance & Support - Keeping your applications running smoothly

• Codolex - AI assistant that answers business questions directly from your ERPs, CRMs, and databases

We actively contribute to the Delphi community through open-source tools and libraries:

• Delphi-MCP-Server - Native Delphi Server implementation of the Model Context Protocol (MCP)
• Microsoft365-4D - Microsoft 365 integration via Graph API: Mail, Calendar, Contacts, SharePoint. OAuth2 with PKCE, no external dependencies
• OfficeXML4D - Read and write Word and Excel (Office Open XML) documents without requiring Microsoft Office
• Javascript4D - Native ECMAScript 5.1 parser and interpreter written in pure Delphi
• Toon4D - JSON to TOON encoder — 30-60% token reduction for LLM prompts

• ToolsAPI-helper - Enhanced IDE integration tools for Delphi developers

• Underscore4d - Functional programming utilities for Delphi
• firedac-threaded - Thread-safe database connections
• Windows-SSO - Windows Single Sign-On authentication library
• Hypothesis4D - Property-based testing for Delphi, inspired by Python's Hypothesis

We welcome contributions to our open-source projects! Here's how you can help:

1. Report Issues - Found a bug? Let us know
2. Submit PRs - Improvements are always welcome
3. Documentation - Help us improve our docs
4. Share - Star and share our repos

Most of our open-source projects use the MIT License. Check individual repositories for specific licensing.

Whether you need:

• Custom Delphi development
• Legacy application modernization
• Code quality improvements
• Developer training

We're here to help! Contact us at [email protected]

• 📧 Email: [email protected]
• 🌐 Website: gdksoftware.com
• 💼 GitHub: @GDKsoftware