byjj.dev
Things built by JJ
Side projects on maps, simulations, data visualisation and AI. Mostly made in Barcelona.
Projects
- 2026UbikaFind the right area of Barcelona for you.MapsBarcelonaubika.pro ↗
- 2026Totxana3D housing market simulator with agent-based modelling and side-by-side A/B policy testing.Simulation3DHousingtotxana.byjj.dev ↗
- 2026Trace the BorderDraw country borders on a map and see how accurate you are.GameMapstracetheborder.byjj.dev ↗
- 2026MarcoAIAI-powered geospatial assistant with interactive map tools.AIMapsmarcoai.xyz ↗
- 2026Political SpectrumMajor European parties plotted on left–right and libertarian–authoritarian axes.Data vizPoliticsspectrum.byjj.dev ↗
- 2026Barcelona TourismTourist arrivals to Barcelona by transport mode, 2025 data.Data vizBarcelonames-totxanes.vercel.app ↗
- 2026LifePrivatePersonal life-tracking dashboard with calendar sync and daily check-ins.PersonalDashboardlife.byjj.dev ↗
- 2025YouTube Comment AnalyzerAI analysis of the comments under a YouTube video.AINLPyt-comments-ai.vercel.app ↗