| Log4Qt | C++ port of the Log4j logging framework | Development, Logging | Apache-v2.0 | |
| Log4Qt | C++ port of the Log4j logging framework | Development, Logging | Apache-2.0 | |
| qlogsystem | qlogsystem is a very efficient and easy to use logger library | Development, Logging | LGPLv2.1 | |
| QsLog | Simple Qt logger | Logging, Development | BSD-3-Clause | |
| Qtilities | Building blocks for Qt applications | Logging, Widgets | GPLv3, LGPLv2.1, Commercial | |
| qtoolbox | Set of tools for Qt development | Data, Logging | Apache-2.0 |