Bespoke Software Development & Precision Tools
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Mobile Applications (Android / Google Play)
Sudoku Master
Clean, high-performance native Android Sudoku suite with 5 difficulty levels, Zen & Classic modes, 12 high-contrast themes, smart hints, and CSV puzzle export.
- โ 5 Balanced Difficulties: Quick warm-up to master deduction.
- โ Zen & Classic Modes: Infinite lives or 3-heart timer challenge.
- โ 12 Custom Themes: Cyberpunk, Emerald Zen, OLED Black & more.
- โ Privacy-First Architecture: 100% local storage; zero tracking.
Earthing Kit
Professional Android engineering calculator for electrical earthing (grounding) system design compliant with IEEE 80 and IEC/AS-NZS standards.
- โ Soil Resistivity: Wenner method & dynamic traverse form.
- โ Transformer Fault: Fault current & earthing cable sizing.
- โ Electrode Resistance: Dwight's rod formula & zone of influence.
- โ Field Worksheet: Fall-of-potential recorder with GPS & CSV export.
InterRadio
Global live radio streaming application featuring over 50,000 live streams, on-device audio visualizers (Waves, Frequency), custom station URLs, and local themes.
- โ 50k+ Broadcasters: Direct HTTP/HTTPS audio stream connections.
- โ On-Device Visualizers: Real-time audio spectrum rendering.
- โ Zero Account Required: All favorites & history saved locally.
- โ Background Playback: Media notifications & system alarm routines.
Desktop & Engineering Utilities
eTree
Blazing-fast, cross-platform terminal directory tree viewer and local reporting suite engineered in Rust. Visualize hierarchies, filter with precision, stream on-the-fly SHA-256 hashes, and export directly to HTML, Mermaid diagrams, Graphviz DOT, JSON, CSV, and TSV.
- โ Intelligent Traversal: Depth-limiting (
-l N//L2), directory isolation (-d), and native.gitignoreboundary awareness. - โ Visual & Structured Exports: Interactive offline HTML reports, publication-ready Mermaid graphs (
.mmd), Graphviz DOT, and machine-readable JSON/CSV/TSV. - โ Cycle-Safe Streaming Hashes: Real-time SHA-256 (
--hash) with symlink/junction loop detection and parallel metadata queries. - โ Native Windows Desktop: Official desktop application with execution alias
etree.exe, dual Unix/Windows slash syntax (/L2 /A), and zero dependencies.
eTree GUI
See where your disk space went. Scan any drive or folder, see what takes up the most room on a treemap, and find duplicate files you can safely clear out. Offline, with no account and no ads, plus an optional AI Copilot that answers questions about your folders.
- โ Treemap & Rankings: Every folder drawn in proportion to its size, with a folder tree ranked by size and share.
- โ Duplicate Finder: SHA-256 groups identical files and shows the space you would get back.
- โ Snapshots, Charts & Reports: Refresh shows what changed; Excel, PDF, CSV, JSON and Mermaid exports.
- โ AI Copilot (optional): Free local models (Ollama, LM Studio) or your own key for eight cloud providers.
Couleur
Discreet desktop accessibility color assistant and industrial formulation studio for Windows. Point at any pixel on screen across all monitors with a 10x optical loupe, hear colors spoken in 17 languages or sonified as musical notes, find nearest matches across 6 industrial color standards, and simulate metamerism with a 6-illuminant light booth.
- โ Live Screen Eyedropper: 10x magnifying loupe across multi-monitor setups with gamma-corrected multi-pixel averaging (1x1, 3x3, 5x5).
- โ 17-Language Voice & Sonification: Plain-language color names spoken aloud via Windows TTS, plus Sound-of-Color Web Audio frequency sonification.
- โ Industrial Standards Matching: Instant nearest-code matching for RAL Classic (216), AS 2700, BS 381C / BS 4800, FS 595C, Dulux Powdercoat / Colorbondยฎ, and Resene.
- โ Lab QC & Light Booth: CIEDE2000 ฮE tolerances, 6-illuminant metamerism simulator (D65, D50, A, F2, F11, Warm LED), 380โ750nm spectral curve grapher, and AutoCAD (.acb) / Adobe (.ase) swatch exporters.
MazeGenerator
Printable maze book studio for Amazon KDP publishers. Generate rectangular, circular, triangular, and hexagonal mazes, cut them into hearts and stars, rate every one from Easy to Expert, and lay out a whole book interior as one print-ready PDF. Play a sample book right on its page.
- โ 4 Shapes & 4 Algorithms: Square, triangle, and hexagon cells, circular and hexagonal mazes, carved by depth-first, hunt-and-kill, Prim, or Kruskal, with optional loops.
- โ Heart & Star Silhouettes: Shaped mazes where every cell stays reachable, from 8 cells across to 200.
- โ Easy to Expert Ratings: Each maze is scored and labeled, and a batch of up to 500 can ramp in difficulty page by page.
- โ One-PDF Book Interiors: KDP trim sizes, title page, solutions pages, page numbers, and mirrored binding gutters.
Media2MPx
High-performance batch audio and video converter for Windows. Bring media files into one queue and convert audio to MP3, WAV, FLAC, AAC, or video to MP4, MKV, AVI, MOV with FFmpeg/FFprobe.
- โ Batch Processing: Convert single files or entire folders with multi-threaded execution.
- โ Audio & Video Modes: Dedicated conversion profiles for music, recordings, and high-def video.
- โ Hardware Acceleration: Optional NVIDIA CUDA GPU encoding for rapid video processing.
- โ Audio/Video Trimming: Precise start/end segment extraction and media metadata analysis.
Audio2MP3
Streamlined Windows desktop utility for converting audio files to standard MP3. Built on the FFmpeg engine with flexible bitrate controls and batch folder conversion.
- โ Batch Conversion: Convert individual files or entire music folders in one operation.
- โ Bitrate Quality Control: Selectable MP3 bitrates from 128 kbps up to 320 kbps audiophile quality.
- โ Safe Output Control: Configurable conflict resolution to protect existing files from overwrites.
- โ Exportable Logs: Comprehensive conversion status reporting with CSV export.
Plugins
DWG Sheet Stream
High-performance PDF-to-DWG batch processing and sheet publishing suite for AutoCAD. Eliminates manual sheet setup overhead with background COM automation.
- โ True Batch Conversion: Process folders or file lists silently.
- โ Revit Ready Copy (_RR): Flatten and strip layouts for BIM import.
- โ Smart Margin Correction: Correct Fit-to-Page scaling distortions.
- โ Headless CLI Mode: Dedicated isolated COM background pipeline.
AMatriz Doc System
A deterministic Markdown-to-PDF rendering system and Typora editor theme family. Purpose-built for screen-first engineering notes and print-safe technical layout exports.
- โ OBSIDIAN-GREEN Aesthetic: High-contrast technical reading.
- โ Print-Safe White PDF: Dark editor screen, clean paper print.
- โ Validation Suite: Deterministic multi-page table/code page-breaking.
- โ Markdown 101 Guide: Comprehensive markdown tutorials & templates.
Publications & eBooks
Markdown 101
A Practical Beginner's Guide to Markdown Formatting. Covers core syntax, structure, and popular tools for version-control-friendly writing.
- โ Available Formats: Paperback & Kindle eBook.
- โ Target Audience: Writers, developers, and students.
- โ Content: 32 Pages of clean, practical examples.
Build a Sudoku App with AI
A Beginner's Guide to Vibe Coding. Build a real Android app with an AI writing the code, and learn the one skill that matters: knowing when it's wrong. Told through the making of Sudoku Master, from an empty folder to Google Play.
- โ Available Format: Kindle eBook (Novelty Press, October 2026).
- โ Target Audience: Beginners. No programming experience needed.
- โ Content: 10 chapters, from planning and prompting to debugging, testing and publishing, with ten prompt patterns to steer the AI.