Raindrop.io - All your articles, photos, video & content from web & apps in one place.
NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.
Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.
Email List Verify - The Fastest Way to Improve Email List Deliverability and ROI
Lookmark - Track updates from the apps you've bookmarked on iTunes
DeBounce - Email Validation, Email Checker, Data Enrichment and Appending Tool. Using DeBounce remove invalid, disposable, spam-trap, syntax and deactivated emails.