Product & experience design
Product concepts, user journeys and interfaces that make complex things feel straightforward. Readable layouts and accessible interactions are part of the design from the start.
Product thinking · UX & UI · Accessibility
Independent digital product company · Estonia
Thoughtful software.
Everyday value.
We turn ideas into digital products that people enjoy using. From the first concept to the everyday details, we bring design, technology and content together.
Discover our work01 / What we do
From a good idea
to a useful product.
We combine practical software development with a clear understanding of the people a product is made for. Our capabilities span the full journey, from shaping the experience to running and improving it.
Software & web development
Responsive websites, web applications and interactive experiences. We connect the interface, business logic and data into a coherent product that works across devices.
Web applications · Games · Integrations
Content & multilingual platforms
Digital services that bring together editorial content, structured information and multiple languages, supported by tools for publishing and ongoing content management.
Content systems · Localisation · Publishing
Automation & product operations
Repeatable workflows, automated checks and practical administration tools. We build the foundations for maintaining a product, supporting its users and improving it over time.
Workflow automation · Quality · Maintenance
02 / Our first venture
A Jotnar Digital productMeet Club Charlie.
A welcoming digital club for grown-ups.
Games, stories and something new to discover.
Explore Club Charlie
A little more to look forward to.
Club Charlie brings familiar games and daily discovery into one friendly place. It is designed for grown-ups, including older adults, who appreciate clear navigation, readable text and an unhurried experience.
People can play, explore stories, learn something new and return to saved progress. Daily content ranges from trivia and words of wisdom to history, music and memories.
What we are building
Jotnar Digital develops and operates Club Charlie: the product concept, interface, games, multilingual content experience and the systems behind it.
The work brings together user accounts, progress tracking, content publishing and administration, with ongoing improvements to usability, reliability and the experience across devices.
Visit Club Charlie (opens in a new tab)40playable games
6interface languages
Dailycontent & discovery
People firstreadable, accessible design
Available in English, Danish, German, French, Spanish and Polish.
03 / The company
Independent.
Based in Estonia.
Building for people.
Jotnar Digital OÜ is an Estonian private limited company founded by Niels Jensby Olsen. We develop software and digital products, bringing together technical implementation, thoughtful design and the day-to-day work of running an online service.
View official business register (opens in a new tab)Company information
- Registered name
- Jotnar Digital OÜ
- Registry code
- 17587618
- Legal form
- Private limited company (OÜ)
- Registered office
- Ahtri tn 12, Kesklinna district
15551 Tallinn, Harju County
Estonia - Incorporated
- 31 August 2026
- Founder & board member
- Niels Jensby Olsen
- Principal activity
- Computer programming
EMTAK 62101 - VAT registration
- Not VAT registeredRegister checked 12 September 2026
04 / Get in touch
Good things start
with a conversation.
For business enquiries, product conversations or partnerships, get in touch with Jotnar Digital.