Open Source TypeScript GIS Software

A web based Metadata Catalog Server for data description and discovery. Supports both generic and geospatial data discovery. It implements international standards (e.g. ISO19115/19139/19119, ISO19115-3, DCAT-AP, CSW 2.0, OGC API Records). It originates from the United Nations and is used by many governments as geoportal software. Active development and discussion takes place on GitHub and OSGeo Discourse. You can also connect directly with the companies supporting the development. Source code available on github https://github.com/geonetwork/

L7 is a WebGL-based open source large-scale geospatial data visual analysis development framework launched by Ant Financial's AntV data visualization team. The L in L7 stands for Location, and the 7 stands for the seven continents of the world, implying the ability to provide visual analysis for global location data. L7 focuses on the visual expression of data, and realizes clear and effective expression from data to information through the setting of visual variables such as color, size, texture, direction, and volume. L7 can meet common map charts, visual analysis of BI systems, and application system development needs such as spatial information management and analysis in the fields of GIS, transportation, electricity, land, agriculture, and cities. Supports many base map, many rendering engines, and layer free customization, extension, combination. Supports multiple base maps, rendering engines, layers can be customized, expanded, and combined freely.