WhatsApp, Google Chat, Telegram, Snapchat, Hike Messenger, FaceTime, Jitsi Meet, Wickr, Kik, Facebook Messenger, Skype, Talkatone, Plus Messenger, WeChat, Session, Kosmi, Tango, Viber, Matrix.org, Quicksy, ICQ, Privnote, Yahoo! Messenger, Threema, Online Video Call, Torchat, TeleGuard, Xabber, Tox, SiskinIM, GO SMS Pro, Axolotl, Dialog Messenger, GroupMe, Walkie, Messenger Lite, aTalk, Briar, Dasher Messenger, Handcent SMS, Bitmessage, Coccinella, Windows Live Messenger, Librem Chat, A-Chat.org, Daily Co, palava.tv, Graph Messenger, Palxup, Linkello, Dingtone, Keet, KakaoTalk, Keybase, Telegram X, Enigma Messenger, AChatRoom, textPlus, chompSMS, VideoMeeting, ARKNet, Team.video, Peer Calls, MXit, Tencent QQ, Olvid, mjoy, Skred, Spez Empathy, Burn Note, Steam Chat, monocles chat, Nimbuzz, SimplyVideo, ChatSecure, Honk, Simple SMS Messenger, YakYak, VIPole Secure Messenger, Tor Messenger, Conversations, Mini WA+, Confide, chat.onion, Utopia, BlackBerry Messenger, RetroShare, Coverme, Libon, Google Allo, Fring, SureSpot, BobRTC, GBWhatsapp, SafeNote, Pulse SMS, FluffyChat, ringID, Nextcloud Talk, Silent Phone, ToTok, aTox, Element X, Crystal Alarm, Cryptocat, AtomJump.com, Zalo, Antox, Tinode, Telephone, Ekiga, Anonymous Messenger, qTox, Messenger for WhatsApp, WowApp, FireRTC, Delta Chat, Conion, Skype Lite, QuteCom, Safe Text, Xifrem, Cyanide, FortKnoxster, HeyWire, SimpleX Chat, Meshenger, uTox, Wispi, KeeperChat, Qute Messenger, Zyptonite, Bleep, VK Me, INNCHAT, WWChat, Peerio, CoyIM, Wassapp, Sicher, Lumicall, OpenWhatsapp, Cipha, Gryphn Secure Text Messaging, SumRando Messenger, IveTime, zoro.im, Jongla, JuzFrens, Comfi App, Speak Messenger, TeamTalk.io, Toxic, QuickMSG, Anywhere SMS, Hemlis, Bopup Messenger, BloomText, Pidgin-Encryption, Quaternion, Talkray, Bistri, HWIZIT, Numbertank, Spotbros, PingPal Messenger, Toxygen, MyENIGMA, BlackBerry Messenger Enterprise, Emoty, Lemon Group Messenger, FireFloo Communicator, Silent Text, Max99, forfone, Secret Messenger, Cashew Secure Messenger, Actor Messenger, CHARE, QUGO, Gaption, Fast Food Stickers For iMessage, Mi Airit, HelloChat, Adamant Messenger, Cnectd, Vidii, GizliNot, Siphon SIP, GAM Messenger, LiveProfile, Spaz, Dib2Qm are some alternatives to Signal.