OpenLayers vs. TerriaJS
Take a look at this side-by-side comparison of OpenLayers and TerriaJS.
At a Glance
OpenLayers
About OpenLayers
OpenLayers is an open-source JavaScript library for displaying map data in web browser.
TerriaJS
About TerriaJS
TerriaJS is an open-source framework for web-based geospatial catalogue explorers.