SASL Mechanisms - IRCv3

IRC SASL authentication primarily uses the same mechanisms as SASL in other protocols. Most commonly:

PLAIN as defined by RFC 4616
EXTERNAL as defined by RFC 4422
SCRAM-SHA-256 as defined by RFC 7677

Client Support

Desktop Clients

Feature	AdiIRC	BitchX	ChatZilla	Colloquy	HexChat	IceChat	Irssi	Konversation	KVIrc
EXTERNAL	Yes	No	No	No	Yes	No	Yes	Yes	No
PLAIN	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes
SCRAM-SHA-256	3.4+	No	No	No	No	No	No	No	No

Feature	LimeChat	mIRC	Mozilla Thunderbird	Quassel	Textual	WeeChat	Srain	Swirc	Glirc
EXTERNAL	No	Yes	No	Yes	Yes	Yes	No	No	No
PLAIN	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
SCRAM-SHA-256	No	No	No	No	No	No	No	No	No

Web Clients

Feature	IRCCloud	Kiwi IRC	The Lounge	Mibbit
EXTERNAL	No	No	No	No
PLAIN	Yes	Yes	Yes	Yes
SCRAM-SHA-256	Yes	No	No	No

Mobile Clients

Feature	IRC for Android	AndroIRC	Colloquy	IRCCloud	LimeChat	Palaver	Quasseldroid	YAAIC
EXTERNAL	No	No	No	No	No	No	No	No
PLAIN	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes
SCRAM-SHA-256	No	No	No	Yes	No	No	No	No

Bouncers

Feature	IRCCloud (as Server)	ZNC (as Server)	ZNC (as Client)
EXTERNAL	No	No	Yes
PLAIN	No	No	Yes
SCRAM-SHA-256	No	No	No

Bots

Feature	Limnoria	Sopel (ex Willie)	Moon Moon	PyLink (clientbot)	BitBot
EXTERNAL	Yes	No	Yes	Yes	Yes
PLAIN	Yes	Yes	Yes	Yes	Yes
SCRAM-SHA-256	Yes	No	No	No	Yes

Libraries

Feature	cinch Ruby	Communi C++	girc Go	irc-framework JS	Kitteh IRC Client Library Java	Net::Async::IRC Perl	pydle Python	Rust irc Rust	Warren Kotlin
EXTERNAL	No	No	Yes	No	Yes	No	No	No	No
PLAIN	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes
SCRAM-SHA-256	No	No	No	No	No	No	No	No	No

Feature	zIRC Python	ChatSharp C#
EXTERNAL	Yes	No
PLAIN	Yes	No
SCRAM-SHA-256	No	No

Services Support

Feature	Anope	Atheme (and forks) ChatServices Xtheme
EXTERNAL	Yes	Yes
PLAIN	Yes	Yes
SCRAM-SHA-256	No	7.3+