scrible - scrible lets you highlight and annotate web pages and easily save, share and collaborate on your...
Warmup Inbox - Warmup Inbox is a tool that automates the process of warming up your email inboxes, raising your sender reputation and inbox health automatically.
Genius.it Web Annotator - Distinct from Genius's original rap and music lyric annotations, Genius.
MailReach.co - The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.
Hypothes.is - Annotate with anyone, anywhere
Warmbox.ai - Warm up your cold email inbox, and never land in spam anymore!