For context, here are some similar services:

Service FLOSS client Notes
Burner No Focused on being a "second number" for your phone.
Line2 No
Hushed No
Google Voice No
CoverMe No (it's not..super clear if this is a chat protocol with some sort of weird SMS glue or if it's a genuine bridge)
Sideline No
TextNow No
VoIP.ms Yes (CSipSimple/Voip.ms SMS)
Vitelity Yes (SIP/XMPP)

CompetitionJMP (last edited 2018-120 21:39:20 by Singpolyma)