Wt may be used using either an Open Source or a Commercial License.
If you wish to use the library using the GNU General Public License (GPL) , you may build a web application with Wt and deploy it, but per the terms of the GPL, you are obliged to make the source code available to anyone you give the application to install on their own server. This also applies to redistribution of the Wt library, in original or modified form.
The Commercial License has no such limitations: you may redistribute applications developed with Wt without needing to redistribute the source code. The license is a royalty-free, perpetual license for one developer to use the API of Wt (respectively Wt::Dbo) for application development, using the latest version of Wt or any version released during one year. See the table below to see what's included in Wt and Wt::Dbo.
| Version | Release date | |
|---|---|---|
| Wt 4.10.4 | 2024-03-06 | Source (.tar.gz) |
| Wt 4.9.2 | 2023-04-18 | Source (.tar.gz) |
| Wt 4.8.3 | 2022-12-22 | Source (.tar.gz) |
Binary builds are available for Windows. Wt is available as a package in most Linux distributions, e.g. for Ubuntu:
sudo apt-get install witty witty-dev witty-doc witty-dbg witty-examples
The last package (witty-examples) installs the examples in /usr/lib/Wt/examples.
Check the documentation page for information on how to get started with Wt.
The Wt git repository can be found on GitHub. To clone:
git clone https://github.com/emweb/wt.git
| Dbo | Wt + Dbo | |
|---|---|---|
| Widget library | ||
| Application server | ||
| HTTP + WebSockets server | ||
| Charting Module | ||
| XHTML Rendering Module | ||
| C++ ORM | ||
| Sqlite3 driver | ||
| PostgreSQL driver | ||
| Firebird driver | ||
| MariaDB/MySQL driver | ||
| SQL Server driver | ||
| Oracle driver | Contact us | |
| GNU General Public License | free | free |
| Commercial License |
€250
(license text) |
€850
(license text) |