MicroSIP, FaceTime, Facebook Messenger, X-Lite, Google Duo, CSipSimple, Tox, Coccinella, Empathy, tSIP, Jitsi Desktop, PhonerLite, Acrobits Softphone, Nimbuzz, YateClient, YakYak, DrayTek SIP SoftPhone, Conversations, Fring, FluffyChat, Silent Phone, Telephone, Ekiga, Sipnetic, QuteCom, SimpleX Chat, ProCall, shMessenger, Lumicall, Jabbin, SessionTalk SIP Softphone, Superpeer, Gizmo5, Q-municate, ScreenMeet, Siphon SIP, Bravis, SeaFour.club, Callcentric are some alternatives to Linphone.