| Name | Lines of code | Maintainability | Test coverage |
| src/core/tunnel/payload.py | 195 | A 3 hrs | |
| src/datatypes/Path.py | 204 | A 2 hrs | |
| src/core/session/__init__.py | 275 | D 1 day | |
| src/linebuf.py | 278 | C 1 day | |
| src/core/tunnel/handler.py | 637 | F 5 days | |
| src/ui/interface.py | 883 | F 1 wk |