ContractorPlus - Everything home service contractors need in one app.
Wickr - Wickr is a free end-to-end encrypted text, video, picture and voice messenger with full sender...
Payable - Easily manage and pay your contractors
Burn Note - Burn Note is the name of a continuous private messaging utilizing which you can have an ongoing private discussion with your companions or any individual who is at Burn Note.
Bold - Ultra-fast anonymous publishing platform.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.