Phone line for Businesses or Individuals. Ring4 provides companies with a cloud solution to manage phone lines as simply as they manage emails. The Ring4 work on any iOS or Android device and can be managed via the Admin Console. Ring4 phone numbers are mobile and support unlimited texting, unlimited calling, voicemail and call recording. Ring4 starts at $9.99/month/line.
iOS Stack - A curated collection of iOS resources for app builders
Burner - Disposable phone numbers -- now with MMS photo support
iOSStash - A huge collection of app-related tools
Shuffle - One Phone, Multiple Numbers
AppNext - AppNext offers mobile monetization and app distribution solutions.
Listen - A smart phone number