textPlus: Text Message + Call

SimpleTexting

Talkatone: Texting & Calling

Text Free: Second Phone Number

Talkyto - Twilio calls & SMS

Nextplus: Phone # Text + Call

Hushed: US Second Phone Number

Text Free: Calling & Texting

Text Vault - Texting App

Dialed Business Phone Number

FreeTone Calls & Texting

RingCentral

Handcent Next SMS messenger

Text Me: Second Phone Number

Textra SMS