For a definition see Wikipedia Software License. While they differ from software licenses, most data and data use licenses use software licenses as templates.
- ArcGIS Desktop Basic License (pdf) - a commercial proprietary software license common in the GIS industry
QGIS uses the GNU Public License v3 - an open source free and libre software license
Google Maps API License for developers - a data use license where some usages are free and others are restricted (especially commercial use)
- Open Street Map copyright - another data use license, in the spirit of open source software, requiring correct attribution and sharing of changes.