Burner - Disposable phone numbers -- now with MMS photo support
Zulip - Chat for distributed teams. Zulip combines the immediacy of real-time chat with an email threading model. With Zulip, you can catch up on important conversations while ignoring irrelevant ones.
Hushed App - Hushed App will allow you to receive a Secondary Phone Number for Private, Long-Distance...
AudioPen - The easiest way to convert messy thoughts into clear text
CoverMe - Private texting, calling, vault
Voiceliner - The fastest way to capture and structure your thoughts: through voice.Hold record, speak, and release.