| Name | Lines of code | Maintainability | Test coverage |
| lib/nib/debug.rb | 33 | A 25 mins | C 75% |
| lib/nib.rb | 36 | A 0 mins | A 100% |
| lib/nib/history.rb | 44 | A 0 mins | A 100% |
| lib/nib/history/compose.rb | 83 | A 0 mins | A 98% |
| Name | Lines of code | Maintainability | Test coverage |
| lib/nib/debug.rb | 33 | A 25 mins | C 75% |
| lib/nib.rb | 36 | A 0 mins | A 100% |
| lib/nib/history.rb | 44 | A 0 mins | A 100% |
| lib/nib/history/compose.rb | 83 | A 0 mins | A 98% |