A Thunderbird add-on
Add webpages to the Thunderbird spaces toolbar.
Attention: The author has no experience in creating a add-on for Thunderbird. Therefore, the add-on should not be considered stable.
At the moment I consider the add-on to be too unstable for publishing in the Thunderbird Add-On Marketplace. Therefore, a manual installation is required. You can follow the step outlined in the documentation.
Additional to the installation there is further documentation available.
The main repository is hosted on my Forgejo instance and publicly accessible there at git.mmk2410.org/mmk2410/SpaceApper. Additionally, I created mirrors on GitLab.com and GitHub.
Since my own Forgejo instance has no open registration, you may submit issues or pull/merge request at any of the mirrors (so either GitLab or GitHub) and I will take care of them (as time allows, of course). This will be the case at least until at least federation of issues is implemented in Forgejo.
Regarding code contribution: Please make sure you read and accepted the license.