Software, Databases, Automation & Applied AI
CholTECH is an independent software and technology practice based in the United Kingdom.
What We Do
Cross-Platform Software
Native and cross-platform applications for macOS, Windows, Linux, iOS and Android, written in Swift, Xojo, Python and C#.
Databases
Database design, integration and reporting, from primary-key fundamentals through to large ERP schemas.
AI and Automation
Practical use of large language models, both cloud and local, for documentation, data access through MCP and everyday development.
Security
Security-minded engineering from encryption tools to safe data access.
Software
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CholTERM
A native Swift application that combines a live file-tree browser with a multi-tab full PTY terminal in a single split-pane window.
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NCryptAES
Local AES-256 encryption for text and files using a shared passphrase, with PBKDF2 key stretching and HMAC-SHA256 tamper detection.
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Defender
A port of the 1981 Williams arcade classic from its original 6809 assembler source to Swift and C#, built with Claude Code.
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MegaGalaxian
This is a free to download port of the original Mega Galaxian by Aneek Mukherjee.
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TikIT Demonstration Video
The link below is to a video demonstration of an app I've written over the last couple of years or so. TikIT is not a commercial app and it was never commissioned, I…
Setting up an OpenAI API Account
There are many reasons you may want to purchase OpenAI API credits, not least of which is the fact that using the OpenAI API in automated workflows is simple, reliable…
Printing and Archiving Webpages
I read a lot and I also like to archive information, my memory is not what it once was 😕. The problem I have is that most of the information I need is available as a web…