Review for Red Hat Knowledgebase by ILMostro7
Rated 2 out of 5 stars
I would've loved to have this work as expected; however, any search using this addon as source results in a 404 http response.
I'm not sure what, if anything, has changed with the abandonment of XPCOM and XUL within firefox as it relates to how search engines are added/managed. I recall being able to add search engines much easier before, without the need for a separate Add-on like this.
To create your own collections, you must have a Mozilla Add-ons account.