With the death of del.icio.us many moons ago, I imported to diigo.com and still use it. Many of the things i bookmark are technical learning related so tend to

With the death of del.icio.us many moons ago, I imported to diigo.com and still use it. Many of the things i bookmark are technical learning related so tend to tag easily and self organize on those tags. I'm just using the free tier, no need for all the fancy paid stuff they offer myself. Importantly, you can export your data as a backup - no vendor lock in. I use the basic .js bookmarklet in Firefox to add links quickly, no addons or extensions required. Android app is OK but I uninstalled it after not using it for a long time.