• Skype icon

    Skype

    Skype is the most popular free voice-over IP and instant messaging service globally. It allows users to text, video and voice call over the internet. Users can also call landlines and mobiles at competitive rates using Skype credit...

    Freemium Mac Windows Linux Web / Cloud Android iPhone Blackberry Chrome OS Windows RT Android Tablet BSD Windows Phone iPad Apple Watch Android Wear PortableApps.com

    • They offer the same thing, but Hangouts offers better service
      Guest • Sep 2016 Disagree   Agree
  • Telegram icon

    Telegram

    Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free. It is like SMS, but more powerful. .

    Free Mac Windows Linux Web / Cloud Android iPhone Android Tablet BSD Windows Phone iPad Apple Watch Android Wear PortableApps.com FreeBSD

    • Telegram is only text messenger. Hangouts includes voice and video calls.
      VaLeXaR12Jun 2016 Disagree   Agree
  • Pidgin icon

    Pidgin

    Pidgin is an easy to use, multi-protocol chat client client used by millions. Connect to AIM, MSN, Yahoo, XMPP, and more chat networks all at once. It has built-in support for NSS, offering client-to-server message encryption for...

    Open Source Mac Windows Linux BSD PortableApps.com Xfce

  • Tox icon

    Tox

    Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.

    Open Source Mac Windows Linux Android iPhone Android Tablet BSD

  • Signal icon

    Signal

    TextSecure and RedPhone have been merged to create Signal! Using Signal, you can communicate instantly while avoiding SMS fees, create groups so that you can chat in real time with all your friends at once, and share media or...

    Open Source Mac Windows Linux Android iPhone Chrome

  • Viber icon

    Viber

    Viber is a mobile application that lets you make free phone calls and send text messages to anyone who also has the application installed. .

    Freemium Mac Windows Linux Android iPhone Windows RT Android Tablet Windows Phone iPad Blackberry 10 Apple Watch

  • Jitsi icon

    Jitsi

    Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM, Windows Live, Yahoo!, GTalk/Hangouts extensions, as well as OTR...

    Open Source Mac Windows Linux Web / Cloud Android BSD

  • Trillian icon

    Trillian

    Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between all of them! We think conversation should be easily shared between all of your devices, not trapped...

    Freemium Mac Windows Linux Web / Cloud Android iPhone Blackberry iPad

  • Linphone icon

    Linphone

    Linphone is an internet phone or Voice Over IP phone (VoIP). With Linphone you can communicate freely with people over the internet, with voice, video, and text instant messaging. Linphone makes use of the SIP protocol, an open...

    Open Source Mac Windows Linux Web / Cloud Windows Mobile Android iPhone Android Tablet Windows Phone iPad Xfce

  • Ring icon

    Ring

    Ring is a secure and distributed voice, video and chat communication platform that requires no centralized server and leaves the power of privacy in the hands of the user.

    Open Source Mac Windows Linux Android

  • Empathy icon

    Empathy

    Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You can tell it about your accounts on all those services and do all your chatting within one application. ...

    Open Source Linux BSD

  • Franz icon

    Franz

    Franz is a free messaging app / former Emperor of Austria and combines chat & messaging services into one application. Franz currently supports Slack, WhatsApp, WeChat, HipChat and many more. You can download Franz for Mac...

    Free Mac Windows Linux

  • Know any more alternatives to Hangouts?

    Suggest an application to this list
  • Gajim icon

    Gajim

    The goal of Gajim is to provide a full featured and easy to use Jabber client. Gajim works nicely with GNOME, but does not require it to run. It is released under the GNU General Public License.

    Open Source Windows Linux BSD Xfce

  • Rambox icon

    Rambox

    Free, Open Source and Cross Platform messaging and emailing app that combines common web applications into one.

    Open Source Mac Windows Linux

    • Warning The installer contains a trojan and possibly other malware according to Baidu, Quihoo-360, and Windows Defender: https://www.virustotal.com/en/file/16f58286c4760fd44896d3dd7a39276a769d301d3193083a130b7a6cd2e03a8d/analysis/1482115813/ | https://www.virustotal.com/en/file/a32e5006f0e227d88a8c8446c0e288bdc4c2a1fb4e9af5ea24a1819131a21ca5/analysis/1482115816/
  • Ekiga icon

    Ekiga

    Ekiga (formely known as GnomeMeeting) is an open source VoIP and video conferencing application for GNOME. Ekiga uses both the H.323 and SIP protocols. It supports many audio and video codecs, and is interoperable with other SIP...

    Open Source Windows Linux PortableApps.com

  • Zulip icon

    Zulip

    Powerful open source group chat. Features: Threaded group conversations Talk about multiple topics at once without getting lost or overwhelmed. One-on-one and group private conversations Have private conversations with one...

    Open Source Mac Windows Linux Web / Cloud Android iPhone BSD Self-Hosted

  • Actor icon

    Actor

    Actor Messenger is an encrypted messaging created by a former developer of telegram.

    Open Source Mac Windows Linux Web / Cloud Android iPhone iPad

  • YakYak icon

    YakYak

    What does it do: * Send/receive chat messages * Create/change conversations (rename, add people) * Leave/delete conversation * Notifications * Toggle notifications on/off * Drag-drop, copy-paste or...

    Open Source Mac Windows Linux

  • Share this list of alternatives?

  • Tkabber icon

    Tkabber

    Tkabber is a Free and Open Source client for the Jabber instant messaging system. Its writen in Tcl/Tk, and works on many platforms (tested on Linux, FreeBSD, NetBSD, Solaris, MacOS X and Windows 98/2000/XP).

    Open Source Mac Windows Linux BSD

  • Ayttm icon

    Ayttm

    Ayttm is an instant messaging (aka chat) client that provides all-in-one chat functionality for several major instant messaging services from one simple program. Ayttm "Contacts" allow you to refer to several accounts of the...

    Open Source Windows Linux BSD

  • Kiax icon

    Kiax

    Small program mainly aimed to provide a simple user interface for making VoIP calls with Asterisk PBX (an open source VoIP PBX).

    Open Source Mac Windows Linux

  • MXit icon

    MXit

    Mxit is a South African created mobile social network. It works on over 10000 different handsets and mobile devices, including tablets.

    Free Mac Windows Linux Windows Mobile Android iPhone Java Mobile S60 Blackberry Android Tablet Windows Phone iPad Adium Pidgin

  • SeaFour.club icon

    SeaFour.club

    SeaFour.club is a socket webchat supporting aesthetic username customization and stylized messages using a markup language similar to 'LISP', and supports a multitude of alternative clients. .

    Open Source Linux Web / Cloud

    • They're both web-focused, unlike Skype, which asks you to use it's software to use it, even via the web client.
      User1304288May 2016 Disagree   Agree
  • Actor Messenger icon

    Actor Messenger

    Modile-first open source self-hosted messaging platform that allows to easily create your own messaging app.

    Open Source Mac Windows Linux Web / Cloud Android iPhone Android Tablet iPad Self-Hosted

  • QuteCom icon

    QuteCom

    QuteCom is a community of enthusiasts and developers, creating free software products related to communication over IP. The flagship product of the QuteCom project is a softphone which allows you to make free PC to PC video and voice...

    Open Source Mac Windows Linux PortableApps.com

    • Discontinued The official website is no longer available. Last version, 2.2.1, released in May 2011, can be still downloaded from Wayback Machine.
  • QuickMSG icon

    QuickMSG

    QuickMSG is a secure messaging format and an Android App of the same name. With it you can send messages either to other contacts directly or to groups. Its aim is to combine the ease of use that messaging apps give with the security...

    Open Source Linux Android

  • Peerio icon

    Peerio

    Peerio integrates cloud storage with a messaging platform so you can safely keep your important files online and ready to send from anywhere. With end-to-end encryption, messages and files are encrypted.

    Open Source Mac Windows Linux Android iPhone Chrome OS Chrome

  • Toky icon

    Toky

    Toky is an easy to setup phone support system for entrepreneurs and small business.

    Freemium Mac Linux Web / Cloud Android Android Tablet Chrome

  • Hubl.in icon

    Hubl.in

    Hublin is a free and open source videoconference software provided as a SaaS . It allows to create videoconference without effort and to discuss with up to 8 people at th same time. It is based on WebRTC and Web standards.

    Open Source Mac Windows Linux Android Android Tablet

  • Spreed icon

    Spreed

    Spreed is the worldwide unified web conferencing service offering integrated web and telephone conferencing. It is based on Flash Player. Free service includes 3 attendees and max 1.5h meetings. Single events or monthly service can be...

    Commercial Mac Windows Linux Web / Cloud

  • Gyach

    Gyach is a GTK+ based Yahoo! Chat client.

    Open Source Linux BSD

    • Discontinued The project seems to be no longer developed. Last version, v0.9.8, released in July 2004, can be still downloaded from the official website.
  • TrueConf icon

    TrueConf

    Free software on-premises video conferencing server with strong UC capabilities and native apps for all major platforms.

    Freemium Mac Windows Linux Web / Cloud Android iPhone iPad Self-Hosted Apple Watch

  • Qnext icon

    Qnext

    Qnext unifies communication, broadcasting & sharing. Universal Instant Messenger (MSN, Yahoo!, AIM, ICQ, Jabber, iChat & IRC), Multi Audio & Video Conferencing, File Transfer, File & Photo Sharing, Music Streaming...

    Free Personal Mac Windows Linux

  • zoro.im Messaging App and zoro.im for Business icon

    zoro.im Messaging App and zoro.im for Business

    zoro.im is 100% Saas based Unified communication, collaboration, telephony, business messaging and digital wallet platform zoro.im app is available in 2 variants 1 zoro.im 2 zoro.im for business.

    Free Personal Windows Linux Android iPhone iPad