The City of Helsinki’s online development guides
Together we can do it! Be sure to also read the City of Helsinki’s other development-related online guides to help you create digital services accessibility first.
Helsinki Design System
Helsinki Design System (HDS) provides a component library for designing user interfaces. HDS is an open source design system intended for designers and developers.
Pelikirja
The Pelikirja (‘Playbook’) website will provide you with support (in Finnish) for utilising service design in the development of digital services and websites. You will also find key instructions and guides for customer-oriented development.
City of Helsinki Development Framework (Kehmet)
Kehmet is a standard and recommendation for development within the City of Helsinki.
Visual Identity Guidelines
Brand.hel.fi brings together the City’s Visual Identity Guidelines and presents its brand strategy.