WhatsApp, Telegram, Signal, Kik, Facebook Messenger, WeChat, ICQ, BGram, Zulip, Nekogram, Telegram X, Vidogram, Telegram FOSS, exteraGram, NekoGram X, Forkgram, TelePlus, Unigram, Loopy Messenger, Proxygram, Hyphen Messaging are some alternatives to Plus Messenger.