Observable Plot
Concise JavaScript API for layered exploratory charts and data visualisation.
What’s included for free?
Source code and local use have no provider-enforced monthly credit, export or project quota; you supply the device, runtime, storage and any hosting.
Provider information ↗Checked 2026-10-21
Before you use it
ISC; Observable's hosted services, if used, have separate plans and terms.
Provider terms can change. Check current pricing and usage rights before starting a project.