Projects
A few selected open-source projects I've worked on.
If you're curious about some of my more playful experiments, such as a beeswarm plot made of Lego bricks, check out my GitHub Profile.

Arsonist Country
2025Website
Rita CostaDesigned and developed interactive graphics for a digital magazine piece by Divergente on wildfires in Portugal, exploring the country’s complex relationship with arson, abandonment, and rural land use.


Arquivo dos Jornais
2024Website
Honorable Mention by Público, Prémios Arquivo 2024
Rita CostaA journey through 25 years of Portuguese newspaper homepages, exploring the evolution of their digital presence using Arquivo.pt.


Feedzai's Altair Theme
2022Repo
João PalmeiroFeedzai's theme for Python's Altair charts. Research on chart types and color palettes following the Feedzai product design system. The theme complemented a Data Visualization system for the company.


Portuguese Local Elections
In local elections, the local governments of the 308 municipalities of Portugal are up for votes. Often, the larger parties get together in coalitions in an attempt win local presidency. With who do each of the main parties form alliances? How many of the votes from each party come from these coalitions?

Brushable Histogram
2019Repo
Victor Fernandes, LuÃs CardosoA linked view composition of time histogram featuring automatic adjustable binning and a brushable strip plot preview of the full dataset below it.