Observable Framework — #4 Alternative to Tableau / Looker
Open-source static data app generator pairing Python/SQL/Rust data loaders with D3 & Plot
Precomputes SQL/Parquet aggregations at build time into compact static snapshots so complex executive dashboards load in <50ms with zero warehouse query lag.
License: ISC · Pricing: Free & Open Source · Compare all Tableau / Looker alternatives · Official Website