diigo.com
In short: Getting listed on Diigo is free, with optional paid upgrades. Plan for about 10 minutes — it is a form plus links and assets you already have.
What they ask for: Create a useful public learning list with annotations about privacy, accessibility, and scam prevention, placing relevant your tool resources beside independent references.
Create a useful public learning list with annotations about privacy, accessibility, and scam prevention, placing relevant your tool resources beside independent references.
Each item can be private or public; use the public setting only for a genuinely curated collection. Do not bulk-bookmark your tool pages, manipulate titles, or create duplicate profiles. Add disclosure and context. Public bookmarks are UGC and search/index/follow outcomes are not guaranteed.
Open the submission page on diigo.com and complete its form — that is the "Open submit page" link at the top of this page.
Each item can be private or public; use the public setting only for a genuinely curated collection. Do not bulk-bookmark your tool pages, manipulate titles, or create duplicate profiles. Add disclosure and context. Public bookmarks are UGC and search/index/follow outcomes are not guaranteed.
Priority sets the band — this one is medium. Cost (free + paid tier) and effort (quick) move it within that band, which puts it in the useful tier. The score orders a submission queue. It is not a measure of the site’s domain authority, traffic or quality.