// UK-based software company

We Build Software
That Ships.

From proprietary SaaS apps and browser extensions to Python libraries and bespoke client solutions — Metallicode turns complex problems into clean, production-grade software.

View Products Work With Us
15+
Products shipped
10+
Clients served
8
Chrome extensions
$ pip install audio-dsp
✓ Successfully installed audio-dsp
$ open bill-em-all
// Local invoice generation, no upload.
$ chrome --load-extension cenzor
✓ Extension installed & active
$ metallicode --help
// portfolio

Products & Projects

Proprietary tools, open-source libraries, and published browser extensions built by Metallicode.

Bill-Em-All screenshot
Web App
Bill-Em-All
Local invoice generation — create, customise, and download invoices without sending data to any server.
Open App
ClickKing screenshot
SaaS
ClickKing
Click-counting SaaS — track, analyse, and share click events at scale with a clean dashboard.
Open App
Local PDF Redactor screenshot
Web App
Local PDF Redactor
Redact sensitive data (bank details, addresses) entirely in-browser — no file ever leaves your device.
Open App
Harmonic Mandala screenshot
Web App
Harmonic Mandala
Rule-based chord visualiser for exploring tonal relationships, intervals, and music theory concepts.
Open App
Vedic Planetary Visualiser screenshot
Web App
Vedic Planetary Visualiser
Time-based orbital planetary movement visualiser grounded in Vedic astronomical models.
Open App
ChatGPT to PDF screenshot
Web App
ChatGPT → PDF
Paste any ChatGPT response and instantly export it as a clean, formatted, downloadable PDF.
Open App
Web App
SpectraSonica
Multi-tonal binaural beats generator for focus, relaxation, and brainwave entrainment.
audio-dsp PyPI package
Python Package
audio-dsp
Python library for audio DSP — synthesis, effects, and sequencing. Published on PyPI.
View on PyPI
Open Source
Live Voice Enhancer
Real-time DSP pipeline with STT/TTS methods designed to assist people with vocal cord paralysis.
View on GitHub
Genius Eye Guard icon
Chrome Extension
Genius Eye Guard
Intelligent screen dimming and blue-light filtering to protect your eyes during long sessions.
Learn More
Audio Karate icon
Chrome Extension
Audio Karate
Granular per-tab volume control — silence, boost, or balance audio across any open tab.
Learn More
Egg Timer icon
Chrome Extension
Egg Timer
Minimal, distraction-free countdown timer living right in your browser toolbar.
Learn More
Memooo icon
Chrome Extension
Memooo
Quick sticky notes that persist per-tab — jot thoughts without leaving the page.
Learn More
Cappi-Paste icon
Chrome Extension
Cappi-Paste
Clipboard manager for the browser — save, name, and re-paste frequently used text snippets.
Learn More
Cenzor icon
Chrome Extension
Cenzor
Block and blur distracting content on any webpage — customise what you see and take back your focus.
Learn More
Gorgias icon
Chrome Extension
Gorgias
Text expansion and template tool — define shorthand phrases and paste them anywhere instantly.
Learn More
SpeakSmart icon
Chrome Extension
SpeakSmart
AI-powered speech coaching overlay for presentations, interviews, and public speaking practice.
Learn More
// what we do

Services

End-to-end engineering from first prototype to production, across a wide technical spectrum.

AI & Agentic Systems

LLM integration, RAG pipelines, multi-agent workflows, NLP, ML prototypes, and production AI systems with safety guardrails.

Custom Software Development

End-to-end engineering in Python, JavaScript, C# and more — from architecture through testing and documentation.

Web, Apps & APIs

Responsive websites, cross-platform apps, and robust REST APIs with auth, rate-limiting, monitoring, and full documentation.

DSP & Audio Engineering

Audio signal processing, synthesis, effects, real-time pipelines, sound design, and audio branding for apps, games, and media.

IoT & Embedded Systems

Firmware, gateways, sensor integration, device management, FPGA/PLD work, and custom PCB design.

Cyber Intelligence

OSINT pipelines, SOC automation, threat monitoring dashboards, and data enrichment tailored to your context.

Game Development

Unity 3D gameplay programming, shaders, audio integration, performance optimisation, and build pipelines.

Education & Training

Lecturing, workshops, and curriculum design for schools and industry — hands-on, project-based learning.

UX / UI Design

User research, wireframes, prototyping, design systems, and accessibility — from requirements to polished product flows.

// trusted by

Clients

Dominique Grys — Metallicode founder
// about

About Metallicode

Metallicode Ltd is a UK-based software company founded by Dominique Grys. We build proprietary software products and take on bespoke client projects across a wide technical spectrum — from AI systems and audio DSP to embedded hardware and web applications.

The company runs on a pragmatic, engineering-first philosophy: ship clean, production-grade software that solves real problems, with no unnecessary overhead.

Python JavaScript C# React Node.js AI / LLM DSP Unity 3D IoT / FPGA Chrome Extensions REST APIs PyPI
// get in touch

Contact

Please enter a title.
Please add a short description.
Please enter your name.
Please provide a valid email.
Protected by reCAPTCHA — Privacy & Terms.
Prefer to chat?

UK (GMT)

support@metallicode.com

Average response within 1 business day.