[drowntoge]

Tchap looks neat as a Slack alternative, but it seems like it's still only for government workers.

[maelito]

Tchap is just Element/Matrix with some gov specific features.

[IshKebab]

We use Mattermost at work, and apart from the mobile app being a bit shit, and search being kind of useless, it's easily as good as Slack. In some ways it's better, e.g. you can use proper Markdown in messages instead of Slack's Mrkdwn abomination that doesn't even allow links.

I wish they would improve search though; it's kind of a critical feature in a company.

[zellyn]

? I put Slack into non-rich-text-editor mode and use standard markdown link syntax dozens of times a day

[_zoltan_]

search is the #1 feature I use in our corporate slack (huge, huge instance).

without search it's useless.