SSL
YesMulti-server
YesOTR
pluginURI scheme
YesDANE
NoCRL
NoOSCP
NoLicense
-Proxy server
-SASL
-Interface
-IPv6
-Auto update
-Scripting language
-DCC
-UTF-8
-CTCP
-Video chat
-TLS
-Platforms
-Media
-Message history
-Emoticons
-Opensource
-Notification intergation
-Spell checking
-End to Encription
-Chat plugins
-Off the Record Messaging
-Supported protocols
-Multi-channel
-Multi-Account
-Push Notifications
-GUI
-CTPC
-opensource
-Multi-account
-MULTI-CHANNEL
-RFC 2812 Commands
-SSL
-Multi-server
-OTR
-URI scheme
-DANE
-CRL
-OSCP
-License
GPLv3Proxy server
YesSASL
-Interface
-IPv6
-Auto update
-Scripting language
-DCC
-UTF-8
-CTCP
-Video chat
-TLS
-Platforms
-Media
-Message history
-Emoticons
-Opensource
-Notification intergation
-Spell checking
-End to Encription
-Chat plugins
-Off the Record Messaging
-Supported protocols
-Multi-channel
-Multi-Account
-Push Notifications
-GUI
-CTPC
-opensource
-Multi-account
-MULTI-CHANNEL
-RFC 2812 Commands
-SSL
-Multi-server
-OTR
-URI scheme
-DANE
-CRL
-OSCP
-License
-Proxy server
-SASL
-Interface
-IPv6
-Auto update
-Scripting language
-DCC
-UTF-8
-CTCP
-Video chat
-TLS
-Platforms
-Media
-Message history
-Emoticons
-Opensource
-Notification intergation
-Spell checking
-End to Encription
-Chat plugins
-Off the Record Messaging
-Supported protocols
-Multi-channel
-Multi-Account
-Push Notifications
-GUI
-CTPC
-opensource
-Multi-account
-MULTI-CHANNEL
-RFC 2812 Commands
-SSL
YesMulti-server
YesOTR
NoURI scheme
?DANE
?CRL
NoOSCP
NoLicense
GPLProxy server
YesSASL
YesInterface
GUI, TUIIPv6
YesAuto update
NoScripting language
NoDCC
NoUTF-8
YesCTCP
YesVideo chat
NoTLS
YesPlatforms
-Media
-Message history
-Emoticons
-Opensource
-Notification intergation
-Spell checking
-End to Encription
-Chat plugins
-Off the Record Messaging
-Supported protocols
-Multi-channel
-Multi-Account
-Push Notifications
-GUI
-CTPC
-opensource
-Multi-account
-MULTI-CHANNEL
-RFC 2812 Commands
-SSL
-Multi-server
-OTR
-URI scheme
-DANE
-CRL
-OSCP
-License
GPLv2Proxy server
-SASL
-Interface
-IPv6
-Auto update
-Scripting language
-DCC
-UTF-8
-CTCP
-Video chat
-TLS
-Platforms
-Media
-Message history
-Emoticons
-Opensource
-Notification intergation
-Spell checking
-End to Encription
-Chat plugins
-Off the Record Messaging
-Supported protocols
-Multi-channel
-Multi-Account
-Push Notifications
-GUI
-CTPC
-opensource
-Multi-account
-MULTI-CHANNEL
-RFC 2812 Commands
-SSL
-Multi-server
-OTR
-URI scheme
-DANE
-CRL
-OSCP
-License
GPLProxy server
-SASL
-Interface
-IPv6
-Auto update
-Scripting language
-DCC
-UTF-8
-CTCP
-Video chat
YesTLS
-Platforms
Windows, LinuxMedia
Video send/receive, ImagesMessage history
OptionalEmoticons
Add-onOpensource
YesNotification intergation
Add-onSpell checking
YesEnd to Encription
Add-onChat plugins
SMS, Facebook, Discord, Skype, Telegram, WhatsApp, Steam IM, Battel.net, GoogleHangouts, Twitter feeds, Amazon Chime, WeChat, QQ, Rocket.chat, Slack, Mattermost, Tox, OkCupid,Off the Record Messaging
Add-onSupported protocols
Bonjour, Gadu-Gadu, IRC, Lotus Sametime, Novell GroupWise, OSCAR, SIMPLE, SILC, XMPP, Jingle, Zephyr, Various extended protocols.Multi-channel
-Multi-Account
-Push Notifications
-GUI
-CTPC
-opensource
-Multi-account
-MULTI-CHANNEL
-RFC 2812 Commands
-SSL
YesMulti-server
YesOTR
NoURI scheme
YesDANE
NoCRL
NoOSCP
NoLicense
GPLProxy server
YesSASL
YesInterface
GUIIPv6
YesAuto update
NoScripting language
KVS (custom), Perl, PythonDCC
CHAT SEND RESUME TSEND Passive DCC REVERSE RSEND Reverse/Firewall DCC FSERV XDCC VOICEUTF-8
YesCTCP
YesVideo chat
NoTLS
YesPlatforms
GNU/Linux, WindowsMedia
YesMessage history
YesEmoticons
YesOpensource
YesNotification intergation
YesSpell checking
-End to Encription
-Chat plugins
-Off the Record Messaging
-Supported protocols
-Multi-channel
YesMulti-Account
YesPush Notifications
-GUI
-CTPC
-opensource
-Multi-account
-MULTI-CHANNEL
-RFC 2812 Commands
-SSL
YesMulti-server
YesOTR
YesURI scheme
YesDANE
NoCRL
-OSCP
-License
GPL ProprietaryProxy server
YesSASL
Via scriptInterface
GUI TUIIPv6
YesAuto update
NoScripting language
Perl Python Tcl Ruby C++ ECMAScript Scheme (Guile)DCC
CHAT SEND RESUME Passive DCC Server Reverse/Firewall DCC XDCCUTF-8
YesCTCP
YesVideo chat
-TLS
-Platforms
-Media
-Message history
-Emoticons
-Opensource
-Notification intergation
-Spell checking
-End to Encription
-Chat plugins
-Off the Record Messaging
-Supported protocols
-Multi-channel
-Multi-Account
-Push Notifications
-GUI
-CTPC
-opensource
-Multi-account
-MULTI-CHANNEL
-RFC 2812 Commands
-SSL
-Multi-server
-OTR
-URI scheme
-DANE
-CRL
-OSCP
-License
-Proxy server
-SASL
-Interface
-IPv6
-Auto update
-Scripting language
-DCC
-UTF-8
-CTCP
-Video chat
-TLS
-Platforms
-Media
-Message history
-Emoticons
-Opensource
-Notification intergation
-Spell checking
-End to Encription
-Chat plugins
-Off the Record Messaging
-Supported protocols
-Multi-channel
-Multi-Account
-Push Notifications
-GUI
-CTPC
-opensource
-Multi-account
-MULTI-CHANNEL
-RFC 2812 Commands
-SSL
YesMulti-server
YesOTR
-URI scheme
-DANE
-CRL
-OSCP
-License
-Proxy server
YesSASL
YesInterface
-IPv6
-Auto update
-Scripting language
-DCC
-UTF-8
-CTCP
-Video chat
-TLS
-Platforms
Linux for server and gui is progressive web appMedia
YesMessage history
OptionalEmoticons
YesOpensource
-Notification intergation
-Spell checking
-End to Encription
-Chat plugins
-Off the Record Messaging
-Supported protocols
-Multi-channel
-Multi-Account
-Push Notifications
YesGUI
YesCTPC
Yesopensource
YesMulti-account
YesMULTI-CHANNEL
YesRFC 2812 Commands
-SSL
-Multi-server
-OTR
-URI scheme
-DANE
-CRL
-OSCP
-License
-Proxy server
-SASL
-Interface
-IPv6
-Auto update
-Scripting language
-DCC
-UTF-8
-CTCP
-Video chat
-TLS
-Platforms
-Media
-Message history
-Emoticons
-Opensource
-Notification intergation
-Spell checking
-End to Encription
-Chat plugins
-Off the Record Messaging
-Supported protocols
-Multi-channel
-Multi-Account
-Push Notifications
-GUI
-CTPC
-opensource
-Multi-account
-MULTI-CHANNEL
-RFC 2812 Commands
-SSL
-Multi-server
-OTR
-URI scheme
-DANE
-CRL
-OSCP
-License
-Proxy server
-SASL
-Interface
-IPv6
-Auto update
-Scripting language
-DCC
-UTF-8
-CTCP
-Video chat
-TLS
-Platforms
-Media
-Message history
-Emoticons
-Opensource
-Notification intergation
-Spell checking
-End to Encription
-Chat plugins
-Off the Record Messaging
-Supported protocols
-Multi-channel
-Multi-Account
-Push Notifications
-GUI
-CTPC
-opensource
-Multi-account
-MULTI-CHANNEL
-RFC 2812 Commands
-SSL
-Multi-server
-OTR
-URI scheme
-DANE
-CRL
-OSCP
-License
-Proxy server
-SASL
-Interface
-IPv6
-Auto update
-Scripting language
-DCC
-UTF-8
-CTCP
-Video chat
-TLS
-Platforms
-Media
-Message history
-Emoticons
-Opensource
-Notification intergation
-Spell checking
-End to Encription
-Chat plugins
-Off the Record Messaging
-Supported protocols
-Multi-channel
-Multi-Account
-Push Notifications
-GUI
-CTPC
-opensource
-Multi-account
-MULTI-CHANNEL
-RFC 2812 Commands
-SSL
-Multi-server
-OTR
-URI scheme
-DANE
-CRL
-OSCP
-License
-Proxy server
-SASL
-Interface
-IPv6
-Auto update
-Scripting language
-DCC
-UTF-8
-CTCP
-Video chat
-TLS
-Platforms
-Media
-Message history
-Emoticons
-Opensource
-Notification intergation
-Spell checking
-End to Encription
-Chat plugins
-Off the Record Messaging
-Supported protocols
-Multi-channel
-Multi-Account
-Push Notifications
-GUI
-CTPC
-opensource
-Multi-account
-MULTI-CHANNEL
-RFC 2812 Commands
-SSL
-Multi-server
-OTR
-URI scheme
-DANE
-CRL
-OSCP
-License
-Proxy server
-SASL
-Interface
-IPv6
-Auto update
-Scripting language
-DCC
-UTF-8
-CTCP
-Video chat
-TLS
-Platforms
-Media
-Message history
-Emoticons
-Opensource
-Notification intergation
-Spell checking
-End to Encription
-Chat plugins
-Off the Record Messaging
-Supported protocols
-Multi-channel
-Multi-Account
-Push Notifications
-GUI
-CTPC
-opensource
-Multi-account
-MULTI-CHANNEL
-RFC 2812 Commands
-SSL
-Multi-server
-OTR
-URI scheme
-DANE
-CRL
-OSCP
-License
-Proxy server
-SASL
-Interface
-IPv6
-Auto update
-Scripting language
-DCC
-UTF-8
-CTCP
-Video chat
-TLS
-Platforms
-Media
-Message history
-Emoticons
-Opensource
-Notification intergation
-Spell checking
-End to Encription
-Chat plugins
-Off the Record Messaging
-Supported protocols
-Multi-channel
-Multi-Account
-Push Notifications
-GUI
-CTPC
-opensource
-Multi-account
-MULTI-CHANNEL
-RFC 2812 Commands
-SSL
YesMulti-server
-OTR
-URI scheme
-DANE
-CRL
-OSCP
-License
MITProxy server
-SASL
YesInterface
-IPv6
-Auto update
-Scripting language
-DCC
-UTF-8
-CTCP
-Video chat
-TLS
-Platforms
Linux, Windows (WSL), MacOSMedia
-Message history
-Emoticons
-Opensource
-Notification intergation
-Spell checking
-End to Encription
-Chat plugins
-Off the Record Messaging
-Supported protocols
-Multi-channel
YesMulti-Account
-Push Notifications
-GUI
-CTPC
-opensource
-Multi-account
-MULTI-CHANNEL
-RFC 2812 Commands
FullSSL
-Multi-server
-OTR
-URI scheme
-DANE
-CRL
-OSCP
-License
-Proxy server
-SASL
-Interface
-IPv6
-Auto update
-Scripting language
-DCC
-UTF-8
-CTCP
-Video chat
-TLS
-Platforms
-Media
-Message history
-Emoticons
-Opensource
-Notification intergation
-Spell checking
-End to Encription
-Chat plugins
-Off the Record Messaging
-Supported protocols
-Multi-channel
-Multi-Account
-Push Notifications
-GUI
-CTPC
-opensource
-Multi-account
-MULTI-CHANNEL
-RFC 2812 Commands
-SSL
-Multi-server
-OTR
-URI scheme
-DANE
-CRL
-OSCP
-License
-Proxy server
-SASL
-Interface
-IPv6
-Auto update
-Scripting language
-DCC
-UTF-8
-CTCP
-Video chat
-TLS
-Platforms
-Media
-Message history
-Emoticons
-Opensource
-Notification intergation
-Spell checking
-End to Encription
-Chat plugins
-Off the Record Messaging
-Supported protocols
-Multi-channel
-Multi-Account
-Push Notifications
-GUI
-CTPC
-opensource
-Multi-account
-MULTI-CHANNEL
-RFC 2812 Commands
-SSL
-Multi-server
-OTR
-URI scheme
-DANE
-CRL
-OSCP
-License
-Proxy server
-SASL
-Interface
-IPv6
-Auto update
-Scripting language
-DCC
-UTF-8
-CTCP
-Video chat
-TLS
-Platforms
-Media
-Message history
-Emoticons
-Opensource
-Notification intergation
-Spell checking
-End to Encription
-Chat plugins
-Off the Record Messaging
-Supported protocols
-Multi-channel
-Multi-Account
-Push Notifications
-GUI
-CTPC
-opensource
-Multi-account
-MULTI-CHANNEL
-RFC 2812 Commands
-SSL
-Multi-server
-OTR
-URI scheme
-DANE
-CRL
-OSCP
-License
-Proxy server
-SASL
-Interface
-IPv6
-Auto update
-Scripting language
-DCC
-UTF-8
-CTCP
-Video chat
-TLS
-Platforms
-Media
-Message history
-Emoticons
-Opensource
-Notification intergation
-Spell checking
-End to Encription
-Chat plugins
-Off the Record Messaging
-Supported protocols
-Multi-channel
-Multi-Account
-Push Notifications
-GUI
-CTPC
-opensource
-Multi-account
-MULTI-CHANNEL
-RFC 2812 Commands
-