Top Alternatives to Telegram

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.

WhatsApp Messenger is an instant messaging platform owned by Facebook.

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

Viber Free Messenger and Phone Calls.

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.

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

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

LINE is a new communication app which allows you to make free voice calls and send free messages whenever and wherever you are.

Psi is a free instant messaging application designed for the XMPP network (including Google Talk). Fast and lightweight, Psi is fully open-source and compatible with Windows, Linux, and Mac OS X.

Wire is a cross-platform, encrypted instant messaging client created by Wire Swiss. It is available for iOS, Android, Linux, Windows, macOS and Web browser clients.

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

ICQ is an open source instant messaging software.

FaceTime is a proprietary videotelephony product developed by Apple Inc. FaceTime Audio is an audio-only version.

WeChat is a social media with instant messaging, commerce and payment services application.

ChatSecure is a messaging application for iOS which allows OTR and OMEMO encryption for the XMPP protocol.

Kik Messenger is an instant messenger software.

Gajim is an instant messaging client for the XMPP protocol which uses the GTK+ toolkit.

Off-the-Record Messaging (OTR) is a cryptographic protocol that provides encryption for instant messaging conversations.

Miranda NG is a successor of Miranda IM, a popular multi-protocol instant messaging client for Windows.

Instantbird is a cross-platform instant messaging client based on Mozillas XULRunner and the open source library libpurple used in Pidgin.

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

Threema is an encrypted instant messaging application for iOS, Android and Windows Phone.

Matrix is an open protocol for real-time communication. It is designed to allow users with accounts at one communications service provider to communicate with users of a different service provider via online chat, Voice over IP, and Videotelephony.

TorChat is a decentralized anonymous instant messenger that uses Tor hidden services as its underlying network. It provides cryptographically secure text messaging and file transfers.

KakaoTalk (Korean: 카카오톡), or sometimes KaTalk, is a free mobile instant messaging application for smartphones with free text and free call features.

BlackBerry Messenger, also known as BBM is an instant messenger and videotelephony application included on BlackBerry devices that allows messaging and voice calls between BlackBerry, iOS, Android, and Windows Mobile users.

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

Rambox is a free and Open Source messaging and emailing app that combines common web applications into one.

Otr.to is a browser based chat client.

Tencent QQ (QQ) is an instant messaging software service.

Talkatone is a free calling app.

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

GroupMe is a mobile group messaging app.

Zulip is a chat and collaborative software.

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

Silence.im is an encrypted text messaging service.

Dasher Messenger provids a way to message friends.

Toky is an automation platform.