Best Zulip Alternatives (196)

Tencent QQ

Tencent QQ is a popular Chinese instant messaging platform developed by Tencent. It offers features like chat, file sharing, gaming, …

Slack

free

Slack, the modern messaging platform for teams. Communicate in real-time, organize conversations into channels, and streamline collaboration. With integrations, file …

Microsoft Teams

Freemium

Microsoft Teams is a collaboration platform that brings together chat, video meetings, file storage, and application integration in a single …

Telegram X

Telegram X is a feature-rich messaging app for Android. It offers high speed and reliability, support for large groups, unlimited …

Tinode

Tinode is an open-source real-time messaging and chat platform. It enables building chat applications and messaging features with REST API, …

Fuse Chat

Fuse Chat is a team communication and collaboration tool that allows real-time messaging, video calls, file sharing, and more. It …

Spectrum Chat

Spectrum Chat is a free and open-source instant messaging platform developed by IBM. It offers secure and encrypted messaging, voice …

Telephone

Telephone is an open source SIP softphone and VoIP client for making audio and video calls over the internet. It …

Smithy

Smithy is an open-source, cross-platform software suite for modeling, simulating, and generating code for complex systems. It provides a flexible, …

SureSpot

SureSpot is a privacy-focused messaging app that provides end-to-end encryption. It allows users to have secure conversations and share media …

SumRando Messenger

SumRando Messenger is a free, ad-free messaging app that focuses on privacy and security. It offers encrypted messaging, self-destructing messages, …

Speak Messenger

Speak Messenger is a free, open source messaging app for Android that focuses on privacy and security. It offers encrypted …

LeggoChat

LeggoChat is an open-source, self-hosted chat and instant messaging application. It allows users to communicate in real-time through public and …

Wickr

Wickr is an encrypted messaging app that allows users to exchange end-to-end encrypted and content-expiring messages, including photos, videos, and …

mjoy

mjoy is an open source music player and library organizer software. It allows you to play, organize and manage your …

WhatsGreen Multi Messenger

WhatsGreen Multi Messenger is a cross-platform instant messaging app that allows you to chat with friends across different messaging platforms …

Chat Online Live

Chat Online Live is a live chat software that allows real-time conversations between website visitors and agents. It has features …

Voip Stunt

Voip Stunt is a VOIP service provider that offers free calls to other Voip Stunt users. It has voice, video, …

pttdroid

Pttdroid is an open-source Android app that provides access to PTT, the largest online forum in Taiwan. It allows users …

Instantbird

Instantbird is an open-source instant messaging client that supports popular chat protocols like XMPP/Jabber, IRC, Twitter and Facebook Chat. It …

FaceFlow

FaceFlow is a video calling and conferencing software that allows users to connect through video chat and have meetings online. …

Databag

Databag is an open-source version control system for tabular data like CSVs. It allows you to track changes to your …

goober Messenger

goober Messenger is a free, ad-supported instant messaging and voice over IP service. It allows users to communicate with friends …

WhatsDock

WhatsDock is a desktop app that provides enhanced functionality and customization options for WhatsApp. It allows using multiple WhatsApp accounts …

Tkabber

Tkabber is an open-source, cross-platform instant messaging application that uses the XMPP protocol. It offers features like group chats, file …

ringID

ringID is a password management and identity protection software. It stores passwords securely, generates strong passwords, and helps protect against …

Secure Chat

Secure Chat is an open source, encrypted chat application that allows users to communicate privately and securely. It uses end-to-end …

Voxer

Voxer is a walkie talkie app that works over cellular data or WiFi. It allows real-time voice communication, as well …

QuickMSG

QuickMSG is an open-source, cross-platform instant messaging application designed for security and efficiency. It features end-to-end encryption, minimal bandwidth usage, …

JANDI

JANDI is a team collaboration platform that helps teams communicate, collaborate, and get work done. It offers chat, file sharing, …

HipChat

HipChat is a team communication app that allows coworkers to privately message each other or have group conversations. Key features …

ToTok

ToTok is a free messaging and voice/video call app launched in 2019. It gained quick popularity in the UAE as …

Corteza Messaging

Corteza Messaging is an open-source messaging and collaboration platform. It offers email, instant messaging, document management, a unified inbox, calendars, …

MyENIGMA

MyENIGMA is an open-source encryption software that allows users to securely encrypt files, emails, instant messages, and more. It features …

Done Hui

Done Hui is a project management and team collaboration software. It offers features like tasks, notes, file sharing, time tracking, …

shMessenger

shMessenger is an open-source, privacy-focused messenger app for Android. It features encrypted messaging, voice and video calls, group chats, media …

Jongla

Jongla is an open-source customer relationship management (CRM) software designed for small businesses. It allows users to track sales opportunities, …

Kiax

Kiax is an open-source, cross-platform VoIP software for making audio or video calls over the internet. It supports common protocols …

VoicePing

VoicePing is a voice over IP (VoIP) quality monitoring service. It tracks call quality metrics like jitter, packet loss, latency …

WorldChat

WorldChat is a free, open-source video conferencing platform that allows users to host virtual meetings, webinars, conference calls, and other …

Adamant Messenger

Adamant Messenger is a private messenger app focused on security and anonymity. It uses blockchain technology to provide encrypted chats, …

Spotbros

Spotbros is a music streaming service similar to Spotify. It allows users to stream millions of songs, create playlists, get …

Camfrog

Camfrog is a free video chat platform that allows users to communicate via webcam and text chat in chatrooms. It …

Say Hi!

Say Hi! is a simple, free web and mobile app that makes it easy to record short audio messages and …

Coco Voice

Coco Voice is an AI-powered speech recognition and voice recording app for Windows, Mac, iOS and Android. It can transcribe …

WowApp

WowApp is a user-friendly and feature-rich web browser that provides a smooth browsing experience. It has innovative features like tab …

Braid Chat

Braid Chat is a team communication and collaboration platform that integrates chat, tasks, docs and apps in one place. It …

Skarpline

Skarpline is a cloud-based invoicing and time tracking software designed for freelancers and small teams. It allows creating professional invoices, …

Messenger Lite

Messenger Lite is a lightweight version of Facebook Messenger that uses less data and battery. It has the core messaging …

Olvid

Olvid is an open-source, privacy-focused messaging app for iOS and Android. It provides end-to-end encrypted messaging using advanced cryptographic protocols …

Linkello

Linkello is a free and open-source alternative to Linktree. It allows users to create a simple landing page with links …

RebTel

RebTel is an open-source alternative to Skype focused on privacy and security. It offers encrypted messaging, audio/video calls, screen sharing, …

Handcent SMS

Handcent SMS is a popular alternative text messaging app for Android. It provides enhanced customization of the SMS/MMS experience with …

GO SMS Pro

GO SMS Pro is a popular alternative messaging app for Android. It has a clean interface, supports themes and plugins, …

Peerio

Peerio is a free, open source, end-to-end encrypted messaging and file sharing application. It allows users to securely send messages, …

AChatRoom

AChatRoom is an open source chat app with a simple interface and support for multiple chat rooms. It provides basic …

Plumm

Plumm is a free, open source project management software. It provides tools for task management, time tracking, resource planning, reporting, …

Voice Share

Voice Share is a voice recording and sharing software that allows users to easily record, edit, and share voice messages. …

Chat Rooms

Chat rooms are online spaces where multiple users can have real-time conversations via text, audio, or video. They allow people …

GBWhatsapp

GBWhatsapp is an unofficial mod of the popular WhatsApp messenger app for Android. It offers extra features like themes, privacy …

Bopup Messenger

Bopup Messenger is a lightweight web-based instant messaging app that works across devices. It allows real-time communication with team members …

Intraboom

Intraboom is an open-source intranet and team collaboration platform. It provides features like document management, task management, calendars, forums, wikis, …

Spika

Spika is an open-source communication and collaboration platform designed for teams and organizations. It provides chat, audio/video calling, file sharing, …

PingPal Messenger

PingPal Messenger is a free instant messaging and video chat app. It allows users to connect with friends and family …

Xabber

Xabber is an open-source chat client for Windows, Linux, MacOS, Android, and iOS that allows users to connect to multiple …

Kik

Kik is a free instant messaging app for mobile devices that allows users to chat with friends using text, stickers, …

yaxim

Yaxim is an open-source instant messaging client for Android focused on the XMPP protocol. It features group chat, secure OMEMO …

Sicher

Sicher is an open-source, self-hosted password manager that allows you to securely store passwords and other sensitive information. It has …

Rocket.Chat

free

Rocket.Chat is an open-source, self-hosted communication platform that provides team collaboration through chat, video, and audio. With features such as …

uShare.to

uShare.to is a free file sharing service that allows users to easily upload and share files or folders with others. …

Bleep

Bleep is a free and open source messaging app for Android and iOS that focuses on privacy and security. It …

MXit

MXit is an instant messaging app popular in South Africa. It allows users to send messages, photos, and make voice …

Tinychat

Tinychat is a free video chat and instant messaging web application. It allows users to have video chats with up …

Talkatone

Talkatone is a free voice over IP app and service that allows users to make phone calls, send SMS messages, …

WhatsApp Web for Chrome

WhatsApp Web for Chrome is a browser extension that allows users to access WhatsApp Web directly from the Chrome browser …

Voxeet

Voxeet is a software platform for high-quality audio conferencing, video conferencing, and screen sharing. It enables remote teams to communicate …

Crugo

Crugo is an open-source low-code platform for building web and mobile applications. It allows developers and non-developers to quickly build …

WeChat

WeChat is a popular Chinese multi-purpose messaging, social media and mobile payment app. It was developed by Tencent and launched …

Ayttm

Ayttm is an open source instant messaging client for Windows that allows users to connect to multiple IM networks such …

Talk2Me

Talk2Me is a voice assistant software that allows users to complete tasks, get information, and automate routine actions through speech …

Tox

Tox is an open-source, peer-to-peer instant messaging and video calling application focused on privacy and security. It offers end-to-end encryption …

Carrot.io

Carrot.io is a software platform that enables companies to build and manage AI products like chatbots, voice assistants, and other …

mySMS

mySMS is a cross-platform messaging app that allows you to send and receive SMS texts from your computer or tablet. …

QUGO

QUGO is a productivity software that offers features like project management, goal tracking, file sharing, and team communication. It aims …

KakaoTalk

KakaoTalk is a free mobile instant messaging app with free calls and video chats. It allows users to send messages, …

Axolotl

Axolotl is an open source encrypted instant messaging client for Android that offers end-to-end encryption. It allows secure communication by …

collAnon

collAnon is an open-source application that allows anonymous collaborative collection, filtering and analysis of text documents or survey data. It …

FluffyChat

FluffyChat is an open-source, privacy-focused desktop chat app for Matrix. It allows encrypted chat, audio calls, video calls, and file …

BlackBerry Messenger Enterprise

BlackBerry Messenger Enterprise is a secure mobile messaging app developed by BlackBerry Limited. It allows companies to have a private …

forfone

Forfone is a privacy-focused cloud storage service. It provides end-to-end encrypted storage for files, photos, videos and more. Key features …

Quill Messaging

Quill Messaging is a team communication and collaboration tool with features like chat rooms, video calls, task management, and file …

Wassapp

Wassapp is a free, open-source messaging app for Android and iOS that focuses on privacy and security. It offers encrypted …

Ripcord

Ripcord is a desktop chat application for group messaging and video calls. It provides a streamlined interface and group management …

Bistri

Bistri is an open-source website builder that allows users to easily create professional-looking websites without coding. It has an intuitive …

JayPad

JayPad is a minimalist text editor and note taking app. It has a clean interface for writing notes, code, prose …

ChatSecure

ChatSecure is an open source, encrypted messaging app for iOS and Android that allows users to communicate privately and securely. …

BlackBerry Messenger

BlackBerry Messenger (BBM) is a free instant messaging app developed by BlackBerry Limited. It allows BlackBerry users to securely communicate …

Protonet SOUL

Protonet SOUL is an open-source platform that allows users to run desktop apps in the cloud. It provides a full …

Conversations

Conversations is an open source instant messaging client focused on security and privacy. It offers end-to-end encryption for chats and …

textPlus

textPlus is a free texting and calling app for Android and iOS. It allows users to send SMS texts and …

HeyWire

HeyWire is a business texting app that allows companies to communicate with customers via SMS and MMS messaging. It has …

AltME

AltME is an open-source, privacy-focused alternative to Discord. It allows users to create chat servers and channels, voice chat, share …

Tribecube

Tribecube is a virtual event and conference platform that allows organizers to create and host interactive online events. It offers …

Instazzap for WhatsApp Web

Instazzap is an extension for WhatsApp Web that enhances the user experience with additional features like scheduling messages, preventing accidental …

TeleGuard

TeleGuard is a call center software designed for small to medium sized businesses. It provides features like automatic call distribution, …

Mixsii

Mixsii is a digital audio workstation and music production software that allows users to record, edit, and mix audio files. …

Yahoo! Messenger

Yahoo! Messenger is an instant messaging client and associated protocol provided by Yahoo!. It allows users to communicate in real-time …

KeeperChat

KeeperChat is a secure, encrypted team messaging app. It allows teams to communicate privately through encrypted chat rooms and direct …

Priority Matrix

Priority Matrix is a project management software that helps teams organize tasks, prioritize projects, and collaborate effectively. It offers features …

Phoner Second Phone Number

Phoner is an app that provides a second phone number to use for calling, texting, and verifying accounts. It helps …

Paltalk

Paltalk is a proprietary video chat client and service that allows users to communicate via voice, video, and text in …

Ziggs

Ziggs is a project management and collaboration software designed for creative teams. It allows users to plan projects, assign tasks, …

monocles chat

Monocles Chat is an open-source, self-hosted team chat and collaboration platform. It offers features like private and public channels, direct …

Mi Airit

Mi Airit is an open-source virtual assistant software for Linux. It allows users to interact with their computer through voice …

JuzFrens

JuzFrens is a social networking app designed for making new friends and meeting people. It allows users to connect based …

SeaFour.club

SeaFour.club is a membership platform that provides access to group travel experiences and exclusive travel content. It connects members to …

Secret Messenger

Secret Messenger is an encrypted messaging app that allows users to have private conversations and share files securely. It uses …

Toky

Toky is a free, open-source video editing software for Windows, Mac and Linux. It provides basic video editing features like …

Photo4Tune

Photo4Tune is a photo editing software that allows users to easily tune and adjust photos. It has features like one-click …

Skype Lite

Skype Lite is a free video calling and chat app optimized for low-speed networks. It provides high-quality video and voice …

Workchat

Workchat is a team communication and collaboration platform that allows workers to chat, meet, call, and collaborate across devices. It …

dirc

dirc is an open-source, lightweight Internet Relay Chat (IRC) client for Linux and Unix-like operating systems. It has a simple …

Chatzy

Chatzy is a free chat software allowing groups to communicate easily in real-time through a web-browser with multiple ways to …

Voxalot

Voxalot is a text-to-speech software that allows users to convert text into natural sounding voice audio. It features multiple languages …

Pychat

Pychat is an open-source, self-hosted chat application written in Python. It features real-time messaging, group chats, file sharing, video/voice calls, …

Tango

Tango is a free and open source, cross-platform program for video calling and instant messaging using Voice over IP. It …

Cotap

Cotap is a unified messaging platform for businesses. It brings together different communication channels like email, SMS, voice calls, and …

Subrosa

Subrosa is an open-source encrypted messaging and collaboration app focused on privacy and security. It allows real-time communication with end-to-end …

Bravis

Bravis is a free and open-source password manager application for Windows, Mac, Linux, iOS and Android. It allows users to …

Slenke

Slenke is a free and open-source bookmark manager and archiver. It allows users to save, organize and search bookmarks, archive …

QuteCom

QuteCom is an open-source VoIP and video conferencing application for Linux that supports common protocols like SIP, XMPP, Jingle and …

We-Talk

We-Talk is a free, open source video conferencing software. It allows you to easily video chat with other users, share …

KNCTR

KNCTR is an open-source Kanban project management software. It allows teams to visualize workflows, limit work-in-progress, track progress, and improve …

Empathy

Empathy is an open source instant messaging client that supports text, voice and video chat. It uses the Telepathy framework …

Qnext

Qnext is a queue management and customer flow optimization software. It allows businesses to manage customer queues both online and …

Hack Chat

Hack Chat is an open source, self-hosted team chat built for developers. It has persistent messaging, private groups, code snippets, …

Dasher Messenger

Dasher Messenger is a desktop and mobile messaging app that offers encrypted messaging and video calling. It has cross-platform support, …

Viber

Viber is a free messaging and calling app for smartphones. It uses your phone number to connect you with people …

qTeams

qTeams is a team communication and collaboration platform that allows teams to message, meet, organize projects, share files, and more …

Sblack

Sblack is an open-source software sketching and painting application. It is designed to emulate traditional drawing tools and techniques to …

GYachI

GYachI is an open-source, self-hosted web application for managing a yacht club's operations and membership. It includes features for booking …

Threema

Threema is a secure messaging app that emphasizes privacy and security with end-to-end encryption for all communications. It allows you …

Bettergram Messenger

Bettergram Messenger is a privacy-focused messaging app that aims to provide a secure alternative to mainstream messaging platforms. It offers …

Engage Spaces

Engage Spaces is a virtual event platform that allows organizations to host customized branded events such as conferences, trade shows …

GV Connect

GV Connect is a video conferencing and collaboration platform developed by Enghouse that allows users to meet, connect, and collaborate …

Lemon Group Messenger

Lemon Group Messenger is a free and open-source instant messaging app for groups. It allows users to chat in groups …

ICQ

ICQ is an instant messaging client and software that was first released in 1996. It became popular in the late …

Nimbuzz

Nimbuzz is a free messaging and calling app for smartphones and desktop. It allows users to connect with friends, groups …

HeyTell

HeyTell is a voice and video messaging app that allows users to send quick voice or video messages instead of …

Libon

Libon is a voice over IP (VoIP) app for making phone calls and sending instant messages over the internet. It …

Talkray

Talkray is a free online communication platform that allows you to make voice and video calls, send text messages, and …

Matrix.org

Matrix.org is an open source, decentralized communication protocol and network focused on secure and private communications. It allows users to …

Cyanide

Cyanide is an open source 2D game engine that is lightweight and easy to use for developing 2D games. It …

Talkonaut

Talkonaut is a freemium voice assistant that combines speech recognition, natural language understanding, and speech synthesis to provide a conversational …

TribeScale

TribeScale is a software platform designed to help online community managers and community builders analyze, monitor, and grow their communities. …

Zoho Cliq

Zoho Cliq is a team collaboration and communication platform that allows teams to chat, meet, collaborate on files and tasks. …

Plus Messenger

Plus Messenger is an open-source, ad-free messaging app for Android that emphasizes privacy and security. It offers encrypted messaging using …

WWChat

WWChat is a free and open source chat application for Windows. It allows users to chat in private or public …

GroupMe

GroupMe is a free group messaging app that allows people to stay connected through group chats, direct messages, and photos. …

Mini WA+

Mini WA+ is a lightweight product that provides key functionalities of WhatsApp on desktop computers. It allows users to send …

Async

Async is an open source asynchronous task queue / job queue based on Redis, developed in Python. It allows you …

Mattermost

Mattermost is an open-source, self-hosted online chat service with file sharing, search and integration capabilities. It supports text, images, videos …

chompSMS

chompSMS is a free, ad-supported text messaging app for Android. It provides basic SMS and MMS functionality along with group …

Messenger for WhatsApp

Messenger for WhatsApp is a desktop application that allows you to use WhatsApp on your computer. It provides a convenient …

Kosmi

Kosmi is a free and open-source virtual workspace software. It allows users to create multiple virtual desktops to organize applications …

GAM Messenger

GAM Messenger is a free, ad-free messaging app for Android and iOS that focuses on privacy and security. It offers …

BeejiveIM

BeejiveIM is a cross-platform instant messaging client that supports multiple protocols including ICQ, XMPP, MSN, Yahoo and AIM. It provides …

Gaption

Gaption is a free and open-source application to create captions or subtitles for videos. It provides an intuitive interface to …

Jappix

Jappix is an open source, web-based chat application focused on security and privacy. It supports protocols like XMPP and uses …

RemoteHQ

RemoteHQ is a remote access and support software that allows IT professionals to remotely connect to computers and mobile devices …

AVAILO

Availo is an open-source availability monitoring software designed to check the uptime and status of websites, APIs, and servers. It …

Spike

Spike is a email management and collaboration tool aimed at improving team productivity. It brings emails, chat, tasks, notes, and …

Gitter

Gitter is an open source instant messaging and chat room system designed for developers and GitHub projects. It allows developers …

EonPhone

EonPhone is a VoIP business phone system that provides a cloud-based phone service for small and medium businesses. It offers …

Cnectd

Cnectd is a software platform that allows teams and organizations to build custom internal communities and knowledge sharing networks. It …

Crust Enterprise Messaging

Crust Enterprise Messaging is a secure, private messaging and collaboration platform for businesses. It offers encrypted messaging, video calling, file …

Delta Chat

Delta Chat is a free and open source email app that allows users to send and receive end-to-end encrypted emails. …

Safe Text

Safe Text is a free and open source plain text editor for Windows. It provides a minimal interface for quickly …

Tribe Messaging

Tribe Messaging is a modern team communication and collaboration platform. It brings team messaging, file sharing, tasks and calendars into …

Numbertank

Numbertank is an alternative to Microsoft Excel for numerical analysis, statistics and machine learning. It is a desktop application designed …

Dingaling

Dingaling is an open-source, decentralized instant messaging application. It allows users to chat securely using end-to-end encryption. The app is …

YAATA SMS

YAATA SMS is an open-source, ad-free SMS and MMS app for Android. It has a clean and intuitive interface, customizable …

Wispi

Wispi is a simple serverless framework for Python that makes it easy to deploy code to AWS Lambda, handle API …

WAToolkit

WAToolkit is an open-source suite of tools for AI conversation design and training. It allows you to easily create and …