NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.
Votum for Slack - Crowdsourced lists with upvotes, inside Slack
Email List Verify - The Fastest Way to Improve Email List Deliverability and ROI
Must-Read for Slack - Build controllable must-read lists for your team in Slack.
DeBounce - Email Validation, Email Checker, Data Enrichment and Appending Tool. Using DeBounce remove invalid, disposable, spam-trap, syntax and deactivated emails.
Corpus - Curate, take notes and share your reading list