Chat:	#hledger:matrix.org or #hledger:libera.chat Active Matrix/IRC hledger chat room with ~140 chatters. Also: #plaintextaccounting:matrix.org or #plaintextaccounting:libera.chat General discussion of all PTA tools, ~100 chatters.
Mail list:	view: list.hledger.org send: [email protected] subscribe: [email protected] Low traffic mail list with ~200 subscribers.
Twitter:	#hledger and #plaintextaccounting @LedgerTips (2014-2018)
Reddit:	/r/plaintextaccounting
Stack Exchange:	[hledger] on money.stackexchange.com
Hacker News:	stories and comments
Issues:	bugs.hledger.org (bugs only) issues.hledger.org (all issues) open issues by category website issues
Private email:	[email protected] (for security issues, eg)
plaintextaccounting site:	plaintextaccounting.org Portal website and wiki covering all PTA tools and topics.