Invoicing software for freelancers and small studios. Create invoices, track payments and manage clients — in 7 languages.

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folio app: invoices list

For amateur football and futsal teams. Track stats, find tournaments and discover teams nearby for Sunday league and pickup games.

237 registered teamsExplore →

Free CV builder and personal website for the Serbian market. Create your professional profile and share everything you do with a single link.

1,746 active CVs in SerbiaExplore →
VolleyPro

Volleyball tournament management. Build brackets, manage rosters, schedule matches and keep live scores point-by-point.

11 registered tournamentsExplore →

Client portal & project ops for agencies. Step-based delivery flows, one-click client access, files in one place.

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TriviaRacing

Real-time multiplayer trivia with a racing twist. The fastest correct answer drives your kart ahead.

47,000 trivia questionsPlay →
JSON Tables

Browser extension for Safari, Chrome and Firefox. See any JSON API as sortable tables, charts and CSV.

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Exchange API

Free currency conversion API for all world currencies. No auth, no rate limits. Just call and convert.

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steps to build your product

Simple. Logical. Reliable.

1. Define

Architecture, requirements, technical strategy.

  • Architecture & data model
  • Scope, milestones & estimate
  • Tech stack decision

2. Build

Fast development with scalable backend systems.

  • Regular demos on staging
  • Feature-by-feature delivery
  • Code review on every change

3. Launch

Deployment, monitoring, long-term support.

  • Production deployment
  • Monitoring & alerts
  • Handover docs & support

core services

Custom Web Apps

Full platforms, dashboards, internal tools.

Backend Systems

APIs, microservices, integrations.

High-load Platforms

Fintech, betting, real-time systems.

Industries we've built for
  • Fintech & trading
  • Betting & gaming
  • Government
  • Maritime
  • FMCG & brand campaigns
  • Events
  • Education
  • Risk & investigations
  • Fashion & social
  • Sports

reasons companies work with us

Senior engineering

No juniors learning on your budget.

System thinking

Architecture first, not patchwork coding.

Long-term stability

Systems built to scale and last.

Brands we've built for

Subcontractor work

engagement models

Project build

Fixed scope, clear deliverables, one team from start to launch.

Dedicated team

Our engineers embedded in your roadmap. Flexible, long-term.

Technical consulting

Architecture review, tech due diligence, CTO-as-a-service.

Not sure which model fits? Start with a 30-minute architecture call and we'll recommend one.

Contact

Tell us about your project

Book a 30-minute architecture call or send a brief: what you are building, where you are stuck, and when you need it.

  • We reply within 24 hours
  • 30-minute architecture call
  • Based in Serbia, working with clients worldwide

A few lines are enough to start.