Diem: Big Group Chat Energy

Craftchat

Plus Chat

Wakie Voice Chat: Make Friends

Hype Me

Multi SMS Sender (MSS)

Wire - Secure Messenger

True - Private Group Sharing

Letstalk IM

Online chat, calls - Gem Space

Yobi: AI Teammates

Inbox Private Messenger

SeaTalk

Lunna

SkyPhone - Voice & Video Calls

Envoy

Zoho Cliq - Team Chat

DatChat: Social Network Plus

InboxIt - read it later