CodebaseSystems E.E.Let’s talk
Independent software. Complete systems.Portfolio / 2026

Real products.
Deep codebases.

Mobile experiences, connected platforms and creative tools. Explore the products—and the engineering behind them.

Explore the projects
SYSTEM / 001FULL STACK
01
The experienceAndroid · iOS · Flutter · Web
+
02
The intelligenceAI workflows · OCR · Media
+
03
The foundationAPIs · Databases · Synchronization
+
Interface to infrastructure
Software with a life beyond the interface.
08 products09 repositories01 connected portfolio
01 / Selected work

Ideas, engineered.

Different problems. Distinct products.
A closer look at what each one does.

8 products

Open Sesame

A learning experience that brings lessons, exercises, books and collections into one Android app.

AndroidPHPMySQL

Poemify

Create and refine poems, then explore artwork, music and narrated video through connected AI workflows.

Android & FlutterPHPMedia pipelines

HotelStay

A hotel platform connecting the back office, a website engine and native Android and iOS guest apps.

Android & iOSPHPOffline sync

SnapUI

Describe an app. Generate interactive screens. Preview and refine them through conversation.

AndroidPHPAI workflows
Also in the collectionSmall screens. Considered experiences.
02 / Beneath the surface

The interface is
just the beginning.

The portfolio spans the full shape of a software product: what people see, the logic they use, and the systems that keep it connected.

[ 01 ]

Built around a task.

Learning something new. Managing a stay. Turning an idea into a prototype. Each product starts with a specific problem to solve.

[ 02 ]

Connected by design.

Mobile clients, APIs and databases work together across the collection, with offline synchronization and media workflows where the product needs them.

[ 03 ]

Context behind the code.

Project histories and run guides support technical evaluation. Review the implementation, dependencies and delivery scope for the projects that fit.

Across the portfolio
JavaFlutter / DartPHPObjective-CMySQL / MariaDBSQLite
03 / Commercial conversations

A good fit starts
with a conversation.

Interested in a specific project, a collection of repositories, or software for AI training? Let’s define a scope that makes sense.

Discuss an opportunity
01

Find the right project

Tell us which products, languages or application domains are relevant to your work.

02

Review the scope

Agree a focused technical evaluation, including documentation, dependencies and any shared components.

03

Define the agreement

Discuss permitted uses, licensing terms and delivery. Commercial rights and obligations are set out in writing.

Individual projects or an agreed collection. Non-exclusive licensing can be discussed.
04 / Start a conversation

What could we
build on, together?

Tell us what caught your attention.
We’ll take it from there.

Website privacy

A simple introduction.

This portfolio does not use site analytics or advertising cookies. The inquiry form prepares an email on your device; its contents are not submitted to a website database.

If you send the email, the information you include is used to respond to your inquiry and discuss your requested project or commercial opportunity.

Hosting providers may process technical request information to deliver and protect the website. You can ask about your inquiry or request deletion of correspondence by contacting stavros@codebasesystems.com.

Updated 5 October 2026