Top Alternatives to YakYak

Skype is an instant messaging and VOIP (Voice Over Internet Protocol) client to communicate with people in a distant place.

Pidgin is a free and open-source chat client which supports AIM, Google Talk, ICQ, XMPP protocols.

Hangouts is an instant messaging software developed by Google.

Adium is an Open source multi-protocol instant messaging client for Mac OS X, supports MSN, Jabber, Yahoo! and other networks.

Tox is a peer-to-peer instant-messaging and video-calling protocol that offers end-to-end encryption.

Trillian is a proprietary multiprotocol instant messaging application.

Signal is the most scalable encryption tool.

Jitsi (formerly SIP Communicator) is a free and open source multiplatform voice (VoIP), videoconferencing and instant messaging application.

Miranda IM is an open source multiprotocol instant messaging application, designed for Microsoft Windows.

Imo free video calls and chat is a kind of Communication apps for Android.

Facebook Messenger is the official Facebook app that lets you have text conversations with all of your friends on the popular social network.

Empathy is an instant messaging (IM) and voice over IP (VoIP) client which supports text, voice, video, file transfers, and inter-application communication over various IM protocols.

IM+ supports simultaneously major IM services, including Google Talk, Twitter DMs, Yahoo!, AIM/iChat, ICQ, Jabber (and Slack through Jabber), etc.

Linphone is a free voice over IP (VoIP) service and SIP client.

Kopete is a multi-protocol, free software instant messaging client released as part of the KDE Software Compilation. Although it can run in numerous environments, it was designed for and integrates with the KDE Plasma Workspaces.

Franz is a free messaging app /former emperor of Austria, that combines chat & messaging services into one application.

Ring (SFLphone) is an open-source SIP-compatible softphone and instant messenger for Linux, Microsoft Windows, OS X and Android.

Fring connects with Skype, MSN Messenger, ICQ and Google Talk from your iPhone.

Rocket.Chat free open source chat solution.

appear.in provides one-click video conferences right in your browser without requiring PIN codes or additional software.

Xabber (XMPP and Jabber) is a XMPP client for the Android Operating System.

CSipSimple is a Voice over Internet Protocol (VoIP) application for Google Android operating system using the Session Initiation Protocol (SIP).

Apache Spark is an open-source cluster-computing framework.

Tango is the messaging app with the best video calling. All messages and calls are free.

qutIM is free and open-source multiprotocol (ICQ, Jabber, Mail.Ru, IRC, VKontakte) instant messenger.

Psi is a cross-platform powerful XMPP/Jabber client (Qt, C++) designed for the Jabber power users. Psi+ is a development branch of Psi IM XMPP/Jabber client.

Conversations is an open source XMPP/Jabber client for the Android platform.

Zoiper is an easy to use sip video softphone, with excellent voice quality and easy to setup.

Blink is the best real-time communications client using the SIP protocol.

Telephone allows you to make phone calls over the Internet or your company’s network.

Bit Chat is a secure, peer-to-peer, open source instant messenger with end-to-end encryption.

Coccinella is a free and open-source cross-platform client for the XMPP/Jabber-instant messaging-protocol.

QuteCom (WengoPhone) is a free-software SIP-compliant VoIP client.

MicroSIP is a portable SIP softphone based on the PJSIP stack available for Microsoft Windows.

Disa is your new messaging hub. Conversations from different services can seamlessly be joined together, or disbanded within seconds.

Phoner and PhonerLite are softphone applications for Windows operating systems available as freeware.