Instant Messengers

Samepage
Freemium • Proprietary
Team Collaboration Tool
Project Management Tool
File Sync Tool
Mac
Windows
Online
Android
iPhone
Software as a Service (SaaS)
144 alternatives to Samepage
Samepage facilitates communication, project management, meetings, online collaboration and more by combining chat, video calling, screen sharing, task management, file sharing, and real-time document collaboration in a single collaborative workspace.
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Samepage Features
1. Real time collaborationMultiple users can work together in Samepage simultaneously.
Teacher screen broadcasting
Team Messaging
Content Templates
Collaborative writing
Top 3 alternatives
jTalk
Free • Proprietary
Instant Messenger
Group Chat App
Android
Android Tablet
70 alternatives to jTalk
Full-featured XMPP messenger.
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jTalk Features
Multiple languages
Xmpp
Vcard
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iMessage
Free • Proprietary
Instant Messenger
Encrypted Chat App
Mac
iPhone
iPad
Apple Watch
54 alternatives to iMessage
Love iMessage on your iPhone? You'll love it on your Mac, too. Messages lets you send unlimited messages to anyone on a Mac, iOS device, or Apple Watch. Your messages can include photos, videos, documents, audio, and contacts, and you can even see when your message has been...
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iMessage Features
Desktop Application
Team Messaging
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Instantbird
Free • Open Source
Instant Messenger
Mac
Windows
Linux
PortableApps.com
45 alternatives to Instantbird
Instantbird is an instant messaging client based on Mozilla XULRunner and the open source library libpurple created by the software developers of Pidgin . Over 250 add-ons allow user customization of, and addition of, features.
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Instantbird Features
1. PortableInstantbird can be used from a USB stick or similar with no prior installation.
Support for Multiple protocols
Multiple languages
IRC
Xmpp
Discontinued
Site last updated 2013. Site security certificate expired April 2017.
Top 3 alternatives
Whaller
Freemium • Proprietary
Group Chat App
Team Collaboration Tool
Social Network
Online
Android
iPhone
Android Tablet
iPad
Software as a Service (SaaS)
110 alternatives to Whaller
Create your own free and unlimited private social networks.
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Whaller Features
1. Kanban BoardWhaller allows you to organize your workflow by moving cards with drag-and-drop functionality between multiple columns.
2. Two-factor AuthenticationWhaller supports two-factor authentication (2FA).
3. IFTTT IntegrationYou can connect different services to automatically trigger actions within Whaller using IFTTT.
4. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
5. Support for MarkDownWhaller supports MarkDown for document formatting.
6. Calendar ViewWhaller has a built-in calendar view to have a clear overview of your content over time.
7. Hierarchical StructureOrganize your notes, pages, documents, etc., hierarchically with Whaller.
8. Real time collaborationMultiple users can work together in Whaller simultaneously.
File Sending
Community management
Onedrive integration
Built-in File Manager
Dropbox integration
Google Drive integration
Private messaging
Shared Calendar
Top 3 alternatives
Kontalk Messenger
Free • Open Source
Instant Messenger
Encrypted Chat App
Android
Self-Hosted
54 alternatives to Kontalk Messenger
Kontalk is a secure instant messenger, allowing you to send and receive text, image and voice messages (other file types coming soon) to and from other Kontalk users completely free of charge.
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Kontalk Messenger Features
1. End-to-End EncryptionKontalk Messenger has E2E Encryption, for entire or parts of the app.
2. OpenPGPKontalk Messenger supports OpenPGP, a standard of PGP encryption that is open-source for public use.
Top 3 alternatives
dirc
Free • Open Source
Group Chat App
Team Collaboration Tool
Encrypted Chat App
Mac
Windows
Linux
Online
Android
iPhone
Chrome OS
Self-Hosted
37 alternatives to dirc
Dirc is a peer-to-peer web application which uses WebRTC to set up connections between chat participants without requiring a back-end server. The static files can be self-hosted. Other features:
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dirc Features
1. No registration requiredYou can use most of the features in dirc without registration.
IRC
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YakYak
Free • Open Source
Instant Messenger
Mac
Windows
Linux
Hangouts
97 alternatives to YakYak
Desktop client for Google Hangouts.
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YakYak Features
1. PortableYakYak can be used from a USB stick or similar with no prior installation.
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uTox
Free • Open Source
Encrypted Chat App
Instant Messenger
Video Calling App
Mac
Windows
Linux
Android
BSD
26 alternatives to uTox
µTox is the lightweight client with minimal dependencies; it not only looks pretty, it runs fast! µTox is available for Windows, OS X, and Linux (Android support is experimental), with full support for chat, file transfers, audio/video calling, and desktop sharing...
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uTox Features
1. DecentralizeduTox is based on a decentralized infrastructure with no single entity controlling it.
2. End-to-End EncryptionuTox has E2E Encryption, for entire or parts of the app.
Secure Chat
Voice Chat
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Telegram WebZ
Free • Open Source
Instant Messenger
Online
53 alternatives to Telegram WebZ
This project won the first prize 磊 at Telegram Lightweight Client Contest and now is an official Telegram client available to anyone at web.telegram.org/z.
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Telegram WebZ Features
Telegram
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Simphone
Free • Open Source
Encrypted Chat App
Instant Messenger
Mac
Windows
Linux
BSD
FreeBSD
NetBSD
78 alternatives to Simphone
Secure and private open source peer-to-peer Instant Messenger.
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Simphone Features
1. End-to-End EncryptionSimphone has E2E Encryption, for entire or parts of the app.
2. AES-256 EncryptionSimphone has AES-256 Encryption, i.e. very strong security.
3. Privacy focusedSimphone is considered a privacy friendly alternative.
4. VoiP CallsSimphone allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
5. DecentralizedSimphone is based on a decentralized infrastructure with no single entity controlling it.
6. LightweightSimphone consumes less device resources compared to similar apps.
7. Ad-freeSimphone doesn't contain any form of external advertising.
8. No TrackingSimphone will not track you or use your personal data.
9. PortableSimphone can be used from a USB stick or similar with no prior installation.
Security focused
Audio Calling
Encrypted VoIP calls
Support for TOR
Private Chat
Message redaction
Client side encryption
Free Speech
Encrypted calls
Messages
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Top 3 alternatives
Ziggs
Free • Proprietary
Group Chat App
Team Collaboration Tool
Encrypted Chat App
Mac
Windows
Linux
Online
129 alternatives to Ziggs
Smoothly Share Content Between Devices!.
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Ziggs Features
1. No registration requiredYou can use most of the features in Ziggs without registration.
2. Support for MarkDownZiggs supports MarkDown for document formatting.
3. Ad-freeZiggs doesn't contain any form of external advertising.
Push to talk
Multiple languages
Integrated File Sharing
Channels
Public groups chat
Persistent Chat
Low Latency
Direct Messaging
Text chat
Reactions
Top 3 alternatives
aTalk
Free • Open Source
Instant Messenger
Group Chat App
Encrypted Chat App
Android
F-Droid
216 alternatives to aTalk
An encrypted instant messaging with video call and GPS features for android.
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aTalk Features
1. VoiP CallsaTalk allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
2. Text to SpeechaTalk allows you to transform written text into spoken text.
3. Works OfflineaTalk can be used without the need to connect to the internet.
4. Multiple Account supportaTalk support multiple accounts without the need to logout and login
5. AES-256 EncryptionaTalk has AES-256 Encryption, i.e. very strong security.
6. Support for ThemesYou can use themes and templates to change the look and feel of aTalk.
7. End-to-End EncryptionaTalk has E2E Encryption, for entire or parts of the app.
Built-in player
Stickers
Speech Recognition
DNSSEC
Built-in Photo editor
Multiple languages
Integrated File Sharing
OMEMO
OTR
Top 3 alternatives
NekoGram X
Free • Open Source
Instant Messenger
Group Chat App
Video Calling App
Android
14 alternatives to NekoGram X
The third-party Telegram android app. Contribute to NekoX-Dev/NekoX development by creating an account on GitHub.
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NekoGram X Features
Telegram
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Ricochet
Free • Open Source
Instant Messenger
Mac
Windows
Linux
28 alternatives to Ricochet
Anonymous instant messaging for real privacy.
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Ricochet Features
1. End-to-End EncryptionRicochet has E2E Encryption, for entire or parts of the app.
Peer-To-Peer
Serverless
Discontinued
Last commit on GitHub is on August of 2017, and the official website is unavailable.
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Top 3 alternatives

Samepage Features

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jTalk Features

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iMessage Features

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Instantbird Features

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Whaller Features

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Kontalk Messenger Features

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dirc Features

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YakYak Features

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uTox Features

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Telegram WebZ Features

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Simphone Features

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Ziggs Features

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aTalk Features

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NekoGram X Features

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Ricochet Features

Top 3 alternatives