# Open Business Systems

QCS builds ERP, CRM, DMS and industry applications on open foundations the client's own team can extend.

## About this page
- Canonical: https://quarkcs.io/open-business-systems
- Type: ServicePage
- Published: 2026-09-06
- Updated: 2026-09-06

## Outcomes
- The client can change the system without QCS
- No per-seat licence ceiling on growth
- Source and schema belong to the client