GLAM is listed on the Gay Intellectuals website.
And in the new LGBT Consortium directory.
And there's an entry for us on the UK LGBT Archive (formerly the LGBT History UK wiki).
Our counterpart in the USA is Gaysig.
In the Netherlands there's GAYniall.
If you read German there's Queersig.
And there are links to our members' own websites on our Members' Sites page.
Finally there is or has been a UK Mensa Transgender SIG.