WhatsApp, Telegram, Signal, Matrix.org, Quicksy, Privnote, Torchat, Tox, Briar, Zulip, Dingtone, Keybase, Burn Note, Confide, chat.onion, Gajim, RetroShare, Messenger Kids, SafeNote, aTox, Antox, qTox, Xifrem, FortKnoxster, HeyWire, uTox, CoyIM, Wassapp, Lumicall, Cipha, Gryphn Secure Text Messaging, Comfi App, Toxic, Anywhere SMS, Bopup Messenger, BloomText, Pidgin-Encryption, HWIZIT, SessionTalk SIP Softphone, Toxygen, Cashew Secure Messenger, CHARE, GizliNot, Siphon SIP, Dib2Qm are some alternatives to Olvid.