Coooool: if your team/company/etc. runs a Zulip.org livechat, https://github.com/zulip/zulip-archive lets you create a public, searchable, browsable message archive and host it on the web.
@brainwane it does seem to actually! the example one seems rather good.
(i couldn't test it before because my fonts were temporarily messed up and then i lost the tab with the thread.)
Server run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!