Independent product studio

Great Products. Engineered with eXcellence.

GPX Labs is an independent product studio building useful software for everyday life, learning, productivity and connection.

We turn meaningful ideas into products people can use, trust and keep coming back to.

Explore ProductsHow We Build
OEP product preview
Live in production
GP CoderOEPLinageXSchedGoalGBillioLichioLuckio
Our Products

Software we build, run and stand behind.

Every product starts with a real problem. We design, engineer and operate the products ourselves — from the first idea to production.

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  • GP Coder logo
    Learn
    Developer Education

    GP Coder

    Live

    A leading Vietnamese programming blog covering Java, Spring Boot, architecture, cloud and AI.

    gpcoder.com →
  • OEP logo
    Learn
    Online Examination Platform

    OEP

    Live

    A modern exam platform for schools and institutions, built for scale, integrity and speed.

    oep.edu.vn →
  • LinageX logo
    Connect
    Digital Family Tree Platform

    LinageX

    Live

    A digital home for family history — preserving heritage and connecting generations.

    linagex.com →
  • SchedGoal logo
    Plan & Play
    Football Scheduling & Statistics

    SchedGoal

    Live

    Scheduling and statistics for football leagues, clubs and organizers.

    schedgoal.com →
  • Luckio logo
    Plan & Play
    Event Lucky Draw Platform

    Luckio

    Live

    Create lucky moments for your event — create a program, invite participants, draw live and announce the winners on one platform.

    luckio.madebygpx.com →
  • GBillio logo
    Everyday
    Bill Splitting App

    GBillio

    Live

    Split bills with roommates, trips, and friends in seconds. Scan a receipt, pick a split, settle up — GBillio handles the math.

    billio.madebygpx.com →
  • Lichio logo
    Everyday
    Lunar & Personal Calendar

    Lichio

    Live

    The lunar calendar, made for everyday life — lunar and solar dates, personal events, holidays and reminders in one calm calendar.

    lichio.madebygpx.com →
What GPX Means

Great products. Engineered with eXcellence.

01

Great Products

We start with problems worth solving and build products people actually need.

02

Product Thinking

We care about the complete product — from the user experience to the technology behind it.

03

eXcellence

We engineer for quality, simplicity, reliability and long-term value.

Why We Build

Every great product starts with a problem worth solving.

GPX Labs builds products from the ground up — exploring ideas, validating them, shipping them and continuously improving them.

It began with a blog for developers and grew into products for learning, family, sport, events and everyday life. Each one is still part of the journey.

The journey so far
  1. GP Coder
    2017 · Knowledge sharing begins
  2. OEP
    Online examinations, reimagined
  3. LinageX
    Digital family heritage
  4. SchedGoal
    Football scheduling & stats
  5. GBillio
    Splitting bills, made simple
  6. Lichio
    The lunar calendar, made for everyday life
  7. Luckio
    Live lucky draws for every event
  8. What's next
    The next problem worth solving
How We Build

Principles, not slogans.

01

Product First

We build for real users and real problems.

02

Engineering Excellence

We care about architecture, reliability, performance and maintainability.

03

Continuous Learning

We ship, learn from real usage and improve continuously.

04

Long-term Thinking

We build products and systems designed to evolve.

Technology

The technology behind the products.

We use technologies we trust — choosing the right tools for each product rather than following trends.

Backend

  • Java
  • Spring Boot
  • Node.js

Frontend

  • React
  • Next.js

Data & Cloud

  • MongoDB
  • PostgreSQL
  • Google Cloud
  • Firebase

DevOps & AI

  • Docker
  • Kubernetes
  • AI / LLMs
What We're Exploring

A few focused directions.

  • AI-native products

    Exploring how AI can make everyday software more useful and personal.

  • Education & knowledge

    Building tools that make learning and sharing knowledge easier.

  • Personal & family life

    Creating software around the people, memories and things that matter.

  • Productivity & utilities

    Small, focused tools that solve recurring everyday problems.

  • Sports & experiences

    Building products for schedules, events and participation.

Journal

Built in public. Learned through engineering.

Read the engineering stories, product decisions and lessons behind GPX Labs.

Read the JournalMore tutorials on GP Coder →

Building the next one.

Explore the products we're building and the engineering behind them.

Explore ProductsHow We Build