Independent software development studio

Clear direction.
Dependable software.

Coded Letter turns ambitious ideas into useful digital products: from discovery and interface design to full-stack engineering, integrations, commerce, and long-term operation.

Human first Native where it matters Built to keep working

Work with the studio Explore our software

Illustrated compass representing clear technical direction

Good weird. Solid engineering.

Software products,
made distinctly.

We design and build web applications, commerce systems, developer tools, and managed platforms. Superfunky is our own proving ground for that wider studio practice.

Start a project See Superfunky

Tech stack

World class
technology

Founder-led expertise across product engineering, cloud systems, creative code, hardware, accessibility, AI, and open commerce.

Languages and systems: JavaScript, TypeScript, Python, C++, SQL, shell, and embedded systems
Commerce core: WordPress, WooCommerce, PHP, Gutenberg
Data and API: WPGraphQL, WooGraphQL, GraphQL, REST APIs, SQL, Redis, and Firebase
Storefront: React, Next.js, Gatsby, Vite, Tailwind CSS, HTML, and CSS
Delivery: Node.js, pnpm, Turborepo, GitHub Actions, Netlify, AWS, and Google Cloud
Creative experience: Three.js, MediaPipe, A-Frame, p5.js, PWA, accessibility, and UI design
Payments and intelligence: Stripe, BLIK, OpenAI, Anthropic, Gemini, ElevenLabs, and Yoast SEO

Illustrated landscape of interconnected web technology

From idea to operation

One studio across the whole product.

Product thinking, design, engineering, integration, and long-term care stay connected instead of disappearing between suppliers.

Discover

Architecture reviews, discovery, roadmaps, and direct product thinking.

Prototype

Working proofs that turn uncertain ideas into testable decisions.

Design

Interfaces, interaction details, systems, and a distinct visual character.

Build

Frontend, backend, commerce, and APIs delivered as one coherent system.

Integrate

Careful connections across payments, content, data, and existing platforms.

Manage

Maintenance, releases, reliability, and steady improvement after launch.

Live environments

See the shared platform in different modes.

These are real HTTP checks for live Superfunky environments, not manually maintained status labels.

Flagship Pro commerce

They trusted us

Built with teams doing real work.

shroom4you ARTOPEN e-multicontent 3D PRINTING STL POWERENERGY CAMEA AQUABAR polskie wafle BGALLERY AXELTRAVEL LUBINOPTYK SNACKGO

Software that ships

Choose your Superfunky path.

Start with the part you need today. Upgrade, switch billing, or cancel through Stripe at any time.

WordPress theme

Superfunky Pro

The commercial theme for running a modern headless WordPress and WooCommerce storefront.

€290 /year

Theme updates and compatibility releases
Headless storefront controls
Commercial support and documentation

Learn more in the docs

Plugin bundle

Premium Plugins

One subscription for the commercial Coded Letter plugins that extend the Superfunky platform.

€190 /year

All premium plugins in one plan
Updates and new bundle additions
Priority compatibility fixes

Learn more about the bundle

Managed Netlify frontend

Frontend as a Service

Give us your WordPress backend URL. We prepare and deploy the Superfunky storefront on managed infrastructure.

€990 /year

Managed frontend deployment
Build and delivery infrastructure
Launch handoff ready for your DNS

Learn more about the workflow

Every plan is priced in EUR. Stripe may present an eligible local checkout currency using its current conversion rate.

View all subscriptions

The platform Years of production work, now productised.

Keep WordPress. Replace the limits.

A colorful illustrated workspace representing the years of engineering behind Superfunky

One shared architecture connects open-source foundations, maintained subscriptions, and managed delivery without forcing teams to abandon WordPress.

Control from WordPress

Content and commerce teams keep the workflows they know while Superfunky controls the modern storefront.

Ship a real frontend

React, TypeScript, fast delivery, structured APIs, and an architecture designed for continuous improvement.

Own the path forward

Subscribe for maintained software, use the open work, or talk to Coded Letter about full agency filesystem ownership.

Open customer account

Selected client relationships

Built through real production work.

Companies whose live platforms and digital work helped shape the practical thinking behind Coded Letter.

Placeholder review — final wording is pending client approval.

Aga Lepka CEO, Shroom

Placeholder review — final wording is pending client approval.

Jacek Wiśniewski CEO, Art Open

Placeholder review — final wording is pending client approval.

Agnieszka Filip e-multicontent.pl

Placeholder review — final wording is pending client approval.

Robert Jurecki powerenergy.com.pl

Testimonial positions are prepared but will remain unpublished as endorsements until each client approves final wording.

Open-source foundations

Own the core. Build beyond the managed service.

The core React storefront and WordPress backend theme remain inspectable, forkable foundations. The Helpdesk project applies the same production-first approach to customer support workflows.

Coded Letter on GitHub

Core open-source frontend

Superfunky Storefront

The React, TypeScript, Vite, and shared UI foundation behind the managed storefront pipeline.

Explore the frontend repository → Core open-source backend theme

Superfunky Theme

The WordPress, WooCommerce, and GraphQL integration layer that prepares a backend for the headless storefront.

Explore the backend repository →

Open-source roadmap

Coded Letter Helpdesk

Ticket submission and tracking, threaded conversations, customer accounts, role-based team workflows, filtering, notifications, and a companion WordPress integration.

Follow the project on GitHub →

Free software