Case study
Gapminder Offline
Gapminder Offline is an offline implementation of Vizabi—a freely provided by Gapminder framework for building visual data exploration tools.
Goals
- Integrate Vizabi platform and add readers: DDF-CSV, Excel, CSV
- Provide new data management features and provide support for UI Controls and interaction
- Add translation and localization
- Add an ability to work with several charts in parallel
- Add a possibility to work on Windows, Linux, and Mac OS
- Add an automatic system update
Solutions
- Test-Driven Development (e2e tests)
- DDF-CSV databases to store all data
- Electron framework that provides an offline version of the application
- DDF-CSV reader for DDF data reading
- WS reader for querying data on WS by DDFQL
Feedback
Ola Rosling
CEO of Gapminder
What we can tell you is that Valor Software is very, very knowledgeable and very helpful. We think what sticks out the most is their capacity to find solutions instead of just saying what cannot be done. They know how to develop any feature that we request, and they are very good at user experience. They also know how to communicate with non-tech people. I think that makes them quite special because any client can communicate with them.
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