| Cutelyst | A Web Framework, using the simple approach of Catalyst (Perl) framework. | Web | LGPLv2 | |
| KBookmarks | Support for bookmarks and the XBEL format | Web | LGPLv2.1+ | |
| KDE WebKit | KDE Integration for QtWebKit | Web | LGPLv2.1+ | |
| KHTML | KHTML APIs | Web | LGPLv2.1+ | |
| KJS | Support for JS scripting in applications | Web, Scripting | LGPLv2.1+ | |
| KJSEmbed | Embedded JS | Web, Scripting | LGPLv2.1+ | |
| QDjango | ORM and HTTP request/response framework | Web | GPLv2.1+ | |
| QHttpEngine | HTTP server and utilities | Web | MIT | |
| QMdnsEngine | Multicast DNS library for Qt | Web | MIT | |
| QHttp | HTTP implementation | Web | LGPLv2.1, GPLv3, Commercial | |
| QtORM | Object relational model inspired from Django | Web, Data | LGPLv2.1 | |
| QtWebApp | Web application framework similar to Java Servlet API | Web | LGPLv3 | |
| QtWebKit | Qt port of WebKit | Web | GPLv3, LGPLv2.1+ | |
| TreeFrog | Framework for developing web applications | Web | BSD-3-Clause | |
| Tufao | An asynchronous web framework for C++ built on top of Qt | Web | Library: LGPLv2, Documentation and Examples: MIT |