PROJ
Coordinate transformation library and CLI tools covering projections, datum shifts and the EPSG database.
| Category | Core libraries & formats |
|---|---|
| Subcategory | Projection & CRS |
| Tool kind | Library |
| Licence | MIT |
| Open source | yes |
| Language | C++ |
| Interfaces | C/C++, CLI |
| How an agent calls it | cli, c-cpp |
| Install | Not stated |
| Project status | active |
| Website | https://proj.org |
| Notes | Essential; agent can call cs2cs/projinfo. |
| Also listed under | Not stated |
| Registry status | active |
| Related | Not stated |