I have created several template repositories for projects in different programming languages over the years, you can find them here:
| Language | Template | Maintained | Repostitory |
|---|---|---|---|
| Python | Projects/Scripts | yes | here |
| Python | Package | yes | here |
| Python | Package [minimal] | yes | here |
| R | Projects/Scripts | yes | here |
| Rust | Application | no | here |
| .NET/C# | Application | no | here |
Some of them are actively maintained, others are just occasionally updated.