WhatsApp, Telegram, Skype, WeChat, Tango, Viber, Zulip, BNESIM, Telegram X, CallRail, Talk360, KeepCalling, FooCall, UppTalk, VoiceChat, Spaxtel, LimeCall, Localphone, mene talk, FriendCaller, Amivox, Upcall, Hubl.in, Echoplexus, Callback Tracker are some alternatives to Toky.