WhatsApp, Telegram, Hike Messenger, Signal, Skype, Mattermost, Matrix.org, WhatsApp Desktop, Tox, GO SMS Pro, RebTel, Handcent SMS, Wisaw, Jitsi Desktop, Keybase, mySMS, chompSMS, mjoy, Onoff, Voice Share, Messenger Kids, iPlum, Pen Pals, YAATA SMS, Chat Helper for WhatsApp, Yolla, Voxer, Microsoft Kaizala, Coco Voice, IGram, Kiax, HeyWire, Zyptonite, Unigram, Voip Stunt, pttdroid, STAGE by vr-on, Talk2Me, Kindaba, BetterApp for WhatsApp, Wassapp, HeyTell, GV Connect, Mapple.me, Eleet.im, Vidku, KNCTR, Ayttm, yaxim, Comfi App, Cotap, QuickCall.com, Superpeer, Wibrate, Tkabber, CHARE, VoicePing, Cnectd, Vidii, Qnext are some alternatives to ATalk.