WhatsApp, Telegram, Wickr, Signal, Session, TeleGuard, Tox, Axolotl, aTalk, Plumm, A-Chat.org, Graph Messenger, Zoho Cliq, Olvid, Carrot.io, Keyoxide, Utopia, dirc, FluffyChat, Element X, Cryptocat, Ripcord, Anonymous Messenger, Async, Safe Text, Ziggs, LeggoChat, SimpleX Chat, IPZN, KeeperChat, Sblack, blockchainMe, Mi Airit, HelloChat, ZeroVerse, Adamant Messenger, OneName are some alternatives to Keybase.