News for hackers. Stuff that matters.
Re:Tell HN: Slack decides to close down IRC and XMPP gateways by jhasse on Wednesday March 07, 2018 @06:01PM (#16540799)
Telegram's client is open-source.
Re:Tell HN: Slack decides to close down IRC and XMPP gateways by zaarn on Thursday March 08, 2018 @06:44AM (#16543753)
Telegram's E2E is also crap and shouldn't be used[0]

0: https://security.stackexchange.com/a/49802