You can download browser add-on source code from this page. If you are an end-user, see the download page instead.
Terms and conditions
Browser add-ons are free software: you can redistribute and/or modify them under the GNU General Public License as published by the Free Software Foundation, using version 3 or higher.
Please notice that the Terms of Service apply to all WOT services. If you use the software or the API as a part of your own application or redistribute and modify the software, the API ToS apply too.
If you are interested in participating in the development process, you are welcome to email us patches for improvements and bug fixes.
Source code is available on the Firefox page, the IE page, the Chrome page, the Safari page and the Opera page.
Note that you can also extract the source code by unzipping the .xpi file available from Mozilla or the .crx file available from Google.