WhatsApp, Google Chat, Discord, Telegram, FaceTime, Wickr, Signal, Kik, Facebook Messenger, Skype, WeChat, Session, Kosmi, Viber, ICQ, Mumble, Yahoo! Messenger, Google Duo, Threema, Online Video Call, Torchat, TeleGuard, Adium, Xabber, TrueConf, SiskinIM, ChatStep, Axolotl, Dialog Messenger, GroupMe, Walkie, Messenger Lite, aTalk, Dasher Messenger, Scriby, Zulip, Bitmessage, Gruveo, FreeConferenceCall.com, Empathy, Windows Live Messenger, Librem Chat, A-Chat.org, Daily Co, Graph Messenger, KakaoTalk, Keybase, Telegram X, AChatRoom, VideoMeeting, Camus, CloudTalk.io, ARKNet, Team.video, Peer Calls, Teleport.Video, Tencent QQ, Olvid, Linphone, JumpChat, Skred, Zipcall.io, Spez Empathy, Burn Note, Steam Chat, Phoner Second Phone Number, monocles chat, SimplyVideo, ChatSecure, YakYak, Tor Messenger, Conversations, Mini WA+, Confide, chat.onion, Utopia, BlackBerry Messenger, RetroShare, JusTalk, Google Allo, SureSpot, BobRTC, GBWhatsapp, FluffyChat, Idka, Proficonf, Silent Phone, ToTok, aTox, Element X, Cryptocat, AtomJump.com, Antox, Tinode, Ekiga, Mirotalk, Say Hi!, YeeCall, Bettergram Messenger, Anonymous Messenger, qTox, Messenger for WhatsApp, Videolify, Peergos, WowApp, FireRTC, Talkonaut, Delta Chat, Conion, Skype Lite, Firefox Hello, Safe Text, Pickapp, Cyanide, BitMail, SimpleX Chat, Video Web Call, uTox, Wispi, KeeperChat, Zyptonite, Bleep, Isotoxin, VK Me, INNCHAT, mpowr, WWChat, Video4sure, Peerio, CoyIM, Beagle IM, SSuite UltraCam Video Phone, zoro.im, Convoz, Jongla, Jabbin, TeamTalk.io, Toxic, GoldBug, Pidgin-Encryption, Quaternion, Venux Connect, Subrosa, SessionTalk SIP Softphone, Toxygen, Superpeer, BlackBerry Messenger Enterprise, IETF Jitsi, Emoty, Lemon Group Messenger, FireFloo Communicator, Secret Messenger, Actor Messenger, QUGO, Gaption, Mi Airit, HelloChat, Adamant Messenger, SliQ, Speeqe, 3veta, PrivyTalks, Kaidan, GAM Messenger, Secure Chat, Dib2Qm are some alternatives to Tox.