desi9n.pl is a software house from Kraków, Poland, building custom business software since 2008. The team of up to 10 developers creates dedicated systems for manufacturing, transport and logistics, real estate, healthcare and public-sector clients: production and fleet management, document workflows, mobile and web applications, and integrations between existing platforms. It also modernises legacy systems abandoned by their original authors and carries out WCAG accessibility audits. Clients work directly with the developers and receive full ownership of the source code.