Lob - A simple API to integrate print & mail solutions into your applications.
Not Depressing News - News that isn't depressing - yay!
PostGrid - Transform your Offline Communications. Use our fully-documented REST API to send personalized letters, checks, postcards and improve address accuracy.
Postie - Email campaigns built for you using your best social content
Postalytics - Automated direct mail software that’s faster, smarter & better. Postalytics sends personalized direct mail from your CRM and analyzes delivery & response.
SimFin - Crunchbase for listed companies