About This Launch
Tessera is a live responsive lab, a mosaic of real device viewports; scroll one tile, every breakpoint moves in sync. Free: 2 tiles. Pro at 12 GBP/mo: full mosaic, captures, localhost via tessera dev.
Why I Built This
Tessera was built to make responsive behavior easy to see across real device viewports in one live mosaic.
Launch Details
CategoryDeveloper Tools
StageLive
ListedSeptember 26, 2026