Welcome to the public repositories of GDK Software.

GDK Software is dedicated to helping organizations succeed with their Delphi applications. We build, upgrade and maintain Delphi applications worldwide, 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