Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
Superdense - No text, just icons.
Plivo - Plivo simplifies your customer engagement.
Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.