Have you seen the newest Cesium demos up on our showcases page?
SI Suite is a platform for advanced analytics applications: http://cesiumjs.org/demos/STI.html
Pearl Harbor Archive allows users to interact with historical images of the 1941 attack on Pearl Harbor: http://cesiumjs.org/demos/PearlHarbor.html
Texas Groundwater Well Levels Visualization is an interactive representation of groundwater levels over time from wells across Texas during a drought: http://cesiumjs.org/demos/TexasGroundwater.html
Jumplog Online Skydiving Logbook is a cloud-based platform for skydivers to manage their logbooks and to visualize jumps recorded by freefall loggers and GPS devices: http://cesiumjs.org/demos/JumpLog.html
It’s a diverse set of applications from developers who know Cesium well and are using it for incredible projects.