High-performance Airtable clone handling 1 million rows with sub-25s bulk insertion, virtualized scrolling, and keyboard-driven spreadsheet navigation.
A full-featured spreadsheet application built on the T3 Stack. Features cursor-based pagination with virtualized infinite scroll for 1M+ rows, Airtable-style keyboard navigation, JSONB-based flexible column schema, and saved views with persistent filter/sort configurations. Separated read path (serverless) from write path (dedicated worker) for scale.