* [Turf v7.4.0](https://github.com/Turfjs/turf) – JavaScript library for spatial analysis including GeoJSON creation, spatial operations, and data classification.

* [GeoLens v1.16.0](https://github.com/geolens-io/geolens) – Self-hosted geospatial catalog and map builder providing semantic and spatial search plus OGC/STAC APIs and a browser-based map composer.

* [World boundaries in GeoJSON format 3.5.3](https://github.com/georgique/world-geojson) – World-geojson provides GeoJSON boundary files for all countries, plus selected subregions and states, with helper functions to load and combine geometries.

* [Mapshaper v0.7.55](https://github.com/mbloch/mapshaper) – Software for editing Shapefile, GeoJSON, TopoJSON, CSV, and other data formats.