# TerriaJS

> Library for building web-based 2D and 3D geospatial data explorers with catalogs of map layers.

- Category: [JavaScript map & geospatial visualization libraries](https://awesomedataviz.com/categories/javascript-maps/)
- Website: https://terria.io
- Repository: https://github.com/TerriaJS/terriajs
- License: Apache-2.0
- Language: TypeScript
- Status: Active (commits in the last 90 days)
- GitHub stars: 1,366
- Commits in the last 12 months: 699
- Contributors: 129
- Last commit: Sep 30, 2026
- Install (npm): `npm install terriajs`, 2.8K downloads per week
- Topics: Maps & geospatial visualization, 3D & scientific visualization, GPU-accelerated & WebGL visualization

## Overview

TerriaJS is an open-source JavaScript mapping library released under the Apache-2.0 license. Its GitHub repository has 1,366 stars, 401 forks, and 129 contributors. It is actively developed with 699 commits in the last 12 months. On npm it is downloaded about 2.8K times per week.

## Alternatives

- [Leaflet](https://awesomedataviz.com/tools/leaflet/): JavaScript library for mobile-friendly interactive maps. (45.7K stars)
- [Cesium](https://awesomedataviz.com/tools/cesium/): WebGL 3D globes and maps. (15.8K stars)
- [Deck.gl](https://awesomedataviz.com/tools/deck-gl/): WebGL framework for visual exploratory data analysis of large datasets. (14.6K stars)
- [OpenLayers](https://awesomedataviz.com/tools/openlayers/): Library for interactive web maps with support for many data sources, formats and projections. (12.6K stars)
- [mapcn](https://awesomedataviz.com/tools/mapcn/): Map components for React built on MapLibre GL, styled with Tailwind and compatible with shadcn/ui. (12.2K stars)
- [MapLibre GL JS](https://awesomedataviz.com/tools/maplibre-gl-js/): WebGL-based interactive vector tile maps in the browser; community fork of Mapbox GL JS. (11.8K stars)

Source: https://awesomedataviz.com/tools/terriajs/ · Data updated 2026-10-05 · Content: CC BY 4.0, Awesome Dataviz (https://awesomedataviz.com).