Kadu Alternatives

Kadu is described as *'open source Jabber/XMPP and Gadu-Gadu instant messenger client for Linux, BSD, Mac and Windows' and is a instant messenger in the social & communications category. There are more than 10 alternatives to Kadu for a variety of platforms, including Windows, Mac, Linux, BSD and Android. The best alternative is Thunderbird, which is both free and Open Source. Other great apps like Kadu are Pidgin, Facebook Messenger, Adium and Gajim.

Kadu alternatives are mainly Instant Messengers but may also be Video Calling Apps or Email Clients. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Kadu.

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Kadu

Free • Open Source
Instant Messenger

Mac
Windows
Linux
BSD

Kadu is an open source Jabber/XMPP and Gadu-Gadu instant messenger client for Linux, *BSD, Mac and Windows.

Learn more about Kadu

Thunderbird
Is this a good alternative?
Yes
No
Free • Open Source
Email Client
Calendar App
Mac
Windows
Linux
BSD
AppImageHub
Snapcraft
Flathub
PortableApps.com
Haiku
Homebrew
Chocolatey
93 alternatives to Thunderbird
Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox.
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Thunderbird Features
1. Extensible by Plugins/ExtensionsThunderbird can be extended with add-ons, plugins and extensions.
2. Multiple Account supportThunderbird support multiple accounts without the need to logout and login
3. Calendar IntegrationThunderbird lets you sync your tasks and events with your calendar application.
4. Email OrganizerThunderbird allows you to take control of your inbox by filtering and control tools.
5. Dark ModeThunderbird supports dark mode for comfortable usage in low light conditions.
6. Import/Export OPML FeedsImport and export your feed subscriptions into OPML format with Thunderbird.
7. PortableThunderbird can be used from a USB stick or similar with no prior installation.
8. Support for ThemesYou can use themes and templates to change the look and feel of Thunderbird.
9. Integrated Password ManagerThunderbird lets you access all the passwords you’ve saved across your different devices.
IMAP Support
SMTP Support
FOSS
Built-in RSS reader
POP3 Support
Add-ons
Intuitive
Graphical User Interface
Customizable
Built-in Calendar
Pidgin
Is this a good alternative?
Yes
No
Free • Open Source
Instant Messenger
Video Calling App
IRC Client
Mac
Windows
Linux
BSD
PortableApps.com
Xfce
116 alternatives to 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 protocols that support it.
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Pidgin Features
1. Extensible by Plugins/ExtensionsPidgin can be extended with add-ons, plugins and extensions.
2. Multiple Account supportPidgin support multiple accounts without the need to logout and login
3. VoiP CallsPidgin allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
4. PortablePidgin can be used from a USB stick or similar with no prior installation.
Support for Multiple protocols
Supports XMPP
IRC
Multiple languages
Multiple chat protocols
Messages
Xmpp
Facebook Messenger
Is this a good alternative?
Yes
No
Free • Proprietary
Instant Messenger
Video Calling App
Group Chat App
Windows
Online
Android
iPhone
Blackberry
Windows S
Android Tablet
Windows Phone
iPad
Apple Watch
Android Wear
192 alternatives to 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.
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Facebook Messenger Features
1. VoiP CallsFacebook Messenger allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
2. Face FilterFacebook Messenger uses augmented reality to overlay visual effects/elements on a live video or image.
3. Expiring StoriesYou can create, view, interact and share temporary stories in Facebook Messenger.
Stickers
Messages
Text messaging
In-app Money Transfer
Private messaging
Adium
Is this a good alternative?
Yes
No
Free • Open Source
Instant Messenger
Mac
70 alternatives to Adium
Adium is a free and open source instant messaging application for Mac OS X, written using Mac OS Xs Cocoa API, released under the GNU GPL and developed by the Adium team. Based on the libpurple protocol library, Adium can connect you to any number of messaging accounts on any...
Suggest and vote on features
Adium Features
1. Support for ThemesYou can use themes and templates to change the look and feel of Adium.
Support for Multiple protocols
Xmpp
Supports XMPP
Multiple languages
Tabbed interface
Messages
OTR
Customizable
Gajim
Is this a good alternative?
Yes
No
Free • Open Source
Instant Messenger
Encrypted Chat App
Video Calling App
Mac
Windows
Linux
BSD
Xfce
63 alternatives to Gajim
The goal of Gajim is to provide a full featured and easy to use XMPP client. Gajim works nicely with GNOME, but does not require it to run. It is released under the GNU General Public License.
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Gajim Features
1. DecentralizedGajim is based on a decentralized infrastructure with no single entity controlling it.
2. Extensible by Plugins/ExtensionsGajim can be extended with add-ons, plugins and extensions.
3. PGP EncryptionGajim supports PGP, an encryption system used for sending encrypted emails and files.
OMEMO
Supports XMPP
Audio Calling
Xmpp
OTR
Tabbed interface
Multiple languages
Miranda NG
Is this a good alternative?
Yes
No
Free • Open Source
Instant Messenger
IRC Client
Windows
PortableApps.com
23 alternatives to Miranda NG
Miranda New Generation is a successor of a popular multi-protocol instant messaging client for Windows - Miranda IM . Very light on system resources and extremely fast.
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Miranda NG Features
1. Extensible by Plugins/ExtensionsMiranda NG can be extended with add-ons, plugins and extensions.
2. PortableMiranda NG can be used from a USB stick or similar with no prior installation.
Support for Multiple protocols
Customizable
Multiple languages
Psi+
Is this a good alternative?
Yes
No
Free • Open Source
Instant Messenger
Video Calling App
Mac
Windows
Linux
BSD
44 alternatives to Psi+
Psi is a cross-platform powerful XMPP client designed for experienced users. Psi+ is a development branch of Psi with rolling release development model.

Users who wants to receive new features and bug fixes very quickly may use Psi+ on daily basis. Users who do not care about ne.
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Psi+ Features
1. VoiP CallsPsi+ allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
Xmpp
Support for Multiple protocols
OTR
IM+
Is this a good alternative?
Yes
No
Freemium • Proprietary
Instant Messenger
Online
Windows Mobile
Android
iPhone
Java Mobile
Symbian S60
HP webOS
Blackberry
Android Tablet
Windows Phone
iPad
Kindle Fire
106 alternatives to IM+
Chat everywhere! IM+ is the most widely used mobile IM app! Connect all-in-one to MSN, Yahoo!, Google Talk, AIM, Jabber, ICQ, Facebook, MySpace and Twitter on ALL popular mobile platforms.

The widest selection of unique features that you won't find in any other IM client!.
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IM+ Features
1. Multiple Account supportIM+ support multiple accounts without the need to logout and login
Support for Multiple protocols
Messenger for Desktop
Is this a good alternative?
Yes
No
Free • Proprietary
Instant Messenger
Mac
Windows
95 alternatives to Messenger for Desktop
Messenger for Desktop is a wrapper for the official client messenger.com. Therefore it works like a regular browser which can only navigate to the messenger.com web app. MFD doesn't touch your messages, account or personal data. All that is handled securely by Facebook.
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Messenger for Desktop Features
Voice Chat
Bundleware
Be careful during the installation: https://alternativeto.net/discussions/applications/11718/be-careful-in-the-installation/
Messenger Kids
Is this a good alternative?
Yes
No
Free • Proprietary
Video Calling App
Android
iPhone
Android Tablet
iPad
Kindle Fire
35 alternatives to Messenger Kids
Messenger Kids is a free video calling and messaging app designed for kids to connect with close friends and family from their tablet or smartphone. Kids can only connect with parent-approved contacts, which creates a more controlled environment.
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Messenger Kids Features
1. Kids ModeMessenger Kids allows you to create and manage your kids' profiles in order to protect them.
Kid friendly
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