Zulip Alternatives and Similar Software

Alternatives to Zulip for Android, iPhone, Windows, Web, iPad and more. Filter by license to discover only free or Open Source alternatives. This list contains a total of 25+ apps similar to Zulip.

Powerful group chat, with threaded conversations If your looking for more info about Zulip like screenshots, reviews and comments you should visit our info page about it. Below you find the best alternatives.

The list of alternatives was last updated: 12/19/2018 6:27:00 PM

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Alternatives to Zulip for all platforms with any license

Telegram

Telegram is a messaging app created by former VK creators with a focus on speed and security. It’s superfast, simple and free. It is like SMS, but more powerful. You can send messages, photos and videos to people who are in your phone contacts (and have Telegram). You can also create groups for up to 20000 people or channels for unlimited subscribers.

Free Mac Windows Linux Web Windows Mobile ... Android iPhone Blackberry Android Tablet BSD Windows Phone iPad Apple Watch Android Wear PortableApps.com FreeBSD
Stickers Lightweight Chat Bot Cloud sync ... Encrypted chat Apps with End-to-End Encryption Integrated File Sharing Group chat Public groups chat Secret chats Voice Call Ad-free Multi Device Support Persistent History Portable Security focused Anonymous groups Anonymous Secure Filesharing Built-in Photo editor Encrypted calls Encrypted VoIP calls GPS Location Tracking IFTTT integration In-Game Overlay Integrated File Sharing Messages in cloud Multiple languages Multiple Account support Works Offline Based on phone number Photo Sharing Privacy focused Progressive Web App Push to talk Search by tags Self destructing messages Large File Transfer Share Videos Sync across Devices Support for Themes Two factor authentication Video calling Voice messages Add a feature

1164 Like
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, premium accounts and subscriptions. Features: · Find all of your friends and family in an instant - search for friends, groups, conversations or new contacts on Skype.

Freemium Mac Windows Linux Web Android ... iPhone Blackberry Chrome OS Windows S Android Tablet BSD Windows Phone iPad Apple Watch Android Wear PortableApps.com
Share your screen Video calling Exchange Integration IFTTT integration ... Microsoft Office integration Video calling Voice Call Add a feature

2419 Like
Discord

All-in-one voice and text chat for gamers that’s free, secure, and works on both your desktop and phone. Stop paying for TeamSpeak servers and hassling with Skype. Simplify your life. You'll never go back.

Freemium $ $ $ Mac Windows Linux Web Android ... iPhone BSD iPad FreeBSD
Voice Call Share your screen Ad-free Chat Bot ... Text chat Video calling Group chat Push to talk Custom roles Encrypted chat Group Voice Chat Low Latency Multi Channel Public groups chat Reactions Voice channels Camera capturing Channel manager Community based Custom Smileys Dedicated Server Hosting Development API Direct Messaging Electron based Free voice/text servers Gaming-focused In-app server browser In-Game Overlay Integrated File Sharing Interface Overlay Low bandwidth usage Low memory usage Night mode/Dark Theme Permission system Persistent Chat Photo Sharing Positional audio Responsive design Sign on to Access All Platforms Single Sign-On Team Collaboration Webcam overlays Youtube Gaming Integration Add a feature

553 Like
Slack

Slack brings all your communication together in one place. It's real-time messaging, archiving and search for modern teams.

Freemium Mac Windows Linux Web Android ... iPhone Windows S BSD Electron / Atom Shell
Group chat Group collaboration Multi Channel Team Collaboration ... Extensible by Plugins/Extensions App integration Channel manager IFTTT integration Integrated File Sharing Support for @mentions Multiple channels Multiple teams Onboarding Out Of The Box Reactions Real time collaboration Team work Voice Call Add a feature

640 Like
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 attachments all with complete privacy. The server never has access to any of your communication and never stores any of your data. * Say Anything - Send high-quality group, text, picture, and video messages, all without SMS and MMS fees.

Free Open Source Mac Windows Linux Android iPhone ... Android Tablet iPad Chrome Ubuntu Touch
Apps with End-to-End Encryption Encrypted chat Security focused Texting ... Video calling Encrypted calls Encrypted Connection Self destructing messages Video calling Voice Call Color coding Encrypted VoIP calls Forward Secrecy Group chat Integrated File Sharing Mobile friendly Night mode/Dark Theme Works Offline Protected by Password Based on phone number Privacy focused Private messaging File Sending Voice messages Add a feature

415 Like
Hangouts

Hangouts is a messaging app that lets you send and receive messages, photos and more, and even start free video and voice calls – one to one or with a group! "Hangouts" are places used to facilitate group video chat (with a maximum of 10 people participating in a single Hangout at any point in time). Within the 10 person limit participants may use voice only phones to dial in to the hangout instead of the desktop or mobile video chat feature.

Free Windows Web Android iPhone Chrome OS ... Android Tablet iPad Chrome Android Wear
Gmail integration Group chat Multi Device Support Share your screen ... Texting Supports archiving conversations Video calling Voice Call Voice messages WebRTC Add a feature

968 Like
Tox

With the rise of widespread government monitoring programs, Tox is an easy to use application that allows you to connect with friends and loved ones without anyone else listening in. Tox is built with the idea that you can keep up with friends and family without having your privacy violated. While other big-name services require you to pay to unlock features, Tox is free in both price, and in liberty. That is, you’re free to do whatever you wish with Tox.

Free Open Source Mac Windows Linux Android iPhone ... Android Tablet BSD
Decentralized Encrypted chat Peer-To-Peer Privacy focused ... Built-in player Apps with End-to-End Encryption Share your screen Security focused Video calling Ad-free Anonymity Anonymous Secure Filesharing Client side encryption Group chat Peer-To-Peer Point-to-point encryption Texting Video calling Voice Call Add a feature

392 Like
WhatsApp Messenger

WhatsApp Messenger is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS. WhatsApp Messenger is available for iPhone, BlackBerry, Android, Windows Phone and Nokia and yes, those phones can all message each other! Because WhatsApp Messenger uses the same internet data plan that you use for email and web browsing, there is no cost to message and stay in touch with your friends.

Free Mac Windows Web Android iPhone ... S60 Blackberry Android Tablet Windows Phone Blackberry 10 Android Wear
Apps with End-to-End Encryption Encrypted chat Group chat Integrated File Sharing ... Java IDE Mobile friendly Based on phone number Video calling Voice messages Add a feature

638 Like
Riot.im

Riot (formerly Vector) is an opensource interoperable app running on Web, iOS and Android. It is built around chat rooms, both public and private and provides messaging, filesharing, voice and video conferencing (beta on Android and web), integrations to tools like GitHub, Jira, Jenkins and much more soon. Vector is built on the Matrix.org open standard which provides bridges to other systems such as Slack, IRC and a lot more soon.

Free Open Source Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted Chrome Safari F-Droid Firefox
Apps with End-to-End Encryption Decentralized Group chat Matrix.org protocol ... Video calling Voice Call Community based Custom widgets DRM Free Encrypted chat GitHub integration Group collaboration Integrated File Sharing MarkDown support File Sending Server Moderation Server side history Slack integration Team Collaboration Video calling Add a feature

194 Like
Wire

Wire is a secure and private messenger for phones, tablets and desktop. Crystal clear voice and video calls, private group chats, file sharing, audio and video messages - everything is end-to-end encrypted. Wire works on Android, iOS, Windows, MacOS, Linux and any modern web browser. Why Wire? - Everything on Wire is private and always end-to-end encrypted. - Voice and video calls offer best-in-class quality. - Fast and secure messenger with pics, sketches and GIFs.

Free Personal $ $ $ Open Source Mac Windows Linux Web Android ... iPhone Android Tablet iPad
Apps with End-to-End Encryption Security focused Encrypted calls Encrypted chat ... Group chat Integrated File Sharing Photo Sharing Privacy focused Privacy Protected Share your screen Secure File Sharing Video calling Voice Call WebRTC Add a feature

191 Like
Mattermost

Mattermost is an open source, self-hosted Slack alternative. As an alternative to proprietary SaaS messaging, Mattermost brings all your team communication into one place, making it searchable and accessible anywhere. It’s written in Golang and React and runs as a production-ready Linux binary under an MIT license with either MySQL or Postgres.

Freemium $ $ $ Open Source Mac Windows Linux Android iPhone ... Android Tablet iPad Self-Hosted JavaScript Go (Programming Language) Cloudron
Team Collaboration Data API Group chat Integrated File Sharing ... MarkDown support On-premises software Plugin API Slack integration Supports XMPP Add a feature

138 Like
Matrix.org

Matrix.org is a growing ecosystem for open, decentralised chat, VoIP and IoT communication. The Matrix project defines an open baseline standard of RESTful HTTP APIs alongside open source, Apache-licensed reference implementations of servers, clients and services. It can be used to synchronise real-time data between multiple destinations, for example for IoT-style services - and of course for instant messaging, IRC-like chat rooms, and voice and video calls/conferencing.

Free Open Source Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted WebRTC Python JavaScript Go (Programming Language) Java Perl
Apps with End-to-End Encryption Decentralized Chat Bot Distributed ... Encrypted chat GNU/linux-libre Group chat Real time collaboration Server side history Team Collaboration WebRTC Add a feature

98 Like
Viber

With Viber, everyone in the world can connect. Freely. More than 460 million Viber users text, make HD-quality phone and video calls, and send photo and video messages worldwide over WiFi or 3G - for free. Viber Out can be used to make calls to non-Viber landlines and mobile numbers at low rates. Viber is available for many smartphones and platforms. On Viber, your phone number is your ID. The app syncs with your mobile contact list, automatically detecting which of your contacts have Viber.

Freemium Mac Windows Linux Android iPhone ... Windows RT Android Tablet Windows Phone iPad Blackberry 10 Apple Watch
Call Transfer Group chat Hidden chat Multiple languages ... Push to talk Secret chats Video calling Voice Call Add a feature

301 Like
Facebook Messenger

Facebook Messenger is a faster way to message. Reach friends right on their phones, get and send messages fast, message everyone at once and more. Top Features: • Message friends, groups of friends or anyone in your mobile contacts • Map your location, find your friends and make plans on the go • Get mobile notifications so you never miss a message • Include photos so friends can see what you're doing

Free Windows Web Android iPhone Blackberry ... Windows S Android Tablet Windows Phone iPad Apple Watch Android Wear
Group chat In-app Money Transfer Supports archiving conversations Video calling ... Voice Call Add a feature

201 Like
Rocket.Chat

Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework. It is a great solution for communities and companies wanting to privately host their own chat service or for developers looking forward to build and evolve their own chat platforms. VIDEO CONFERENCE Chat with your colleagues and friends face-to-face over audio and video. HELPDESK CHAT Have your website visitors contact you in real-time and increase conversions.

Free Open Source Mac Windows Linux Android iPhone ... Self-Hosted Cloudron
Group chat Ad-free Chat Bot Extensible by Plugins/Extensions ... Integrated File Sharing Location Mapping Share your screen Self-Serve Capability Slack integration Voice messages Add a feature

78 Like
Conversations

Conversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG]. [Note] **You can download the compiled apk for free from F-Droid**: https://f-droid.org/repository/browse%20/?fdid=eu.siacs.conversations or - you can buy Conversations in the Google Play Store - if you are a software developer, you can check out the sources from GitHub and use [Gradle](https://alternativeto .

Free Open Source Android Android Tablet
Decentralized Apps with End-to-End Encryption Encrypted chat Picture sharing ... Encrypted Connection Chat Bot Group chat Group Messaging Self destructing messages Gpg encryption OTR Public groups chat Add a feature

58 Like
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 as text messages on your phone. Here's how we do it: • INSTANT MESSAGING: Your unique Trillian username can be used to send unlimited messages free of charge. Trillian uses your existing data plan and/or WiFi.

Freemium Mac Windows Linux Web Android ... iPhone Blackberry iPad
Facebook integration Support for Multiple protocols POP3 Support Team Collaboration Add a feature

268 Like
ChatSecure

ChatSecure is a free and open source messaging app that features OTR encryption over XMPP. You can connect to your existing accounts on Facebook or Google, create new accounts on public XMPP servers(including via Tor), or even connect to your own server for extra security. Unlike other apps that keep you stuck in their walled garden, ChatSecure is fully interoperable with other clients that support OTR and XMPP, such as Adium, Jitsi, and more.

Free Open Source iPhone iPad
Encrypted chat Integrated File Sharing OTR Add a feature

56 Like
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Silence.im

Protect your communication in transit and on your phone. SMSSecure is a full replacement for the default text messaging application: all messages are encrypted locally and messages to other SMSSecure users are encrypted over the air.

Free Open Source Android Kindle Fire
Encrypted chat Texting Add a feature

35 Like
LINE

LINE is a Japanese proprietary application for instant messaging on smartphones and PCs. Line users exchange text messages, graphics, video and audio media, make free VoIP calls, and hold free audio or video conferences.

Freemium Mac Windows Web Android iPhone ... Blackberry Android Tablet Windows Phone iPad Apple Watch
Stickers Group chat IFTTT integration Public groups chat ... Video calling Voice Call Add a feature

95 Like
Glip

Glip is instant messaging for teams and businesses to communicate and get work done at the same time. In Glip you work where your conversations are, so you always know what your team is doing and what needs to get done next. Video chat, manage team projects & tasks & team calendar, share files with automatic version control & annotations, edit interactive notes and more. And it's all fully searchable, so you'll never lose a thing.

Freemium Mac Windows Web Android iPhone ... Android Tablet iPad
Social feed Bitbucket Integration Box.com integration Built-in File Manager ... Calendar view CRM Dropbox integration GitHub integration Google Drive integration Group chat Group collaboration Integrated Chat Mailchimp integration Meeting notes Onedrive integration Real time collaboration Recurring tasks Share your screen Shared calendars Sync Calendars Team Collaboration Team work Trello integration Zapier integration Zendesk integration Add a feature

155 Like
Threema

Threema is a new mobile messaging app that puts security first. With true end-to-end encryption, you can rest assured that only you and the intended recipient can read your messages. Unlike other popular messaging apps (including those claiming to use encryption), even we as the server operator have absolutely no way to read your messages.

Commercial Android iPhone Android Tablet Windows Phone iPad ... Android Wear
Apps with End-to-End Encryption Encrypted chat Group chat Integrated File Sharing ... Encrypted calls Encrypted email Integrated App lock Multiple languages Picture sharing Privacy focused Security focused Add a feature

54 Like
HipChat

HipChat is an instant messaging service designed for companies and teams. It has persistent chat rooms, one-to-one chat, searchable chat history, file sharing via drag & drop and clipboard, inline image previews, an API, chat over SMS, and more.
- Discontinued https://alternativeto.net/software/slack/ is acquiring Hipchat and https://alternativeto.net/software/stride-by-atlassian/ from Atlassian. the services will be discontinued after February 15th, 2019. https://www.atlassian.com/partnerships/slack
Freemium Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted Apple Watch
Team Collaboration Integrated File Sharing Share your screen Add a feature

73 Like
ICQ

ICQ is one of the oldest instant messengers. First developed by the Israeli company Mirabilis, sold to AOL, sold again and currenly owned by the Russian "mail.ru" group (known for one of the largest social networks). ICQ has been redesigned and is totally different from the "old ICQ". It's available for almost every platform: Web, Desktop, Mobile and even via WAP.

Free Mac Windows Linux Web Windows Mobile ... Android iPhone Java Mobile S60 Blackberry Android Tablet Windows Phone iPad Kindle Fire
Web-Based Add a feature

65 Like
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. Empathy uses Telepathy for protocol support and has a user interface based on Gossip. Empathy is the default chat client in current versions of GNOME, making it easier for other GNOME applications to integrate collaboration functionality using Telepathy.
- Discontinued Empathy is currently unmaintained. Last version, 3.25, released in August 2017, can be still downloaded from the official website.
Free Open Source Linux BSD
Integrated File Sharing Support for Multiple protocols Video calling Add a feature

154 Like