Some WebExtensions providing search engines + suggestions with OpenSearch.

Signed XPIs are available in signed/.

Works on Firefox 64, and should work on any later version.

The dummy provider is necessary because of https://bugzilla.mozilla.org/show_bug.cgi?id=1513459, unless you like having your keystrokes in the address bar sent over the network in real-time.

Google and the English Wikipedia aren't included for the moment since they currently come with Firefox and just need a keyword to be set.