We've added a Slack integration to Limnu! It is really basic at the moment, but it lets you create a shared Limnu board right from Slack using a "slash command", and then everyone who's in the same channel where you typed the command will get a link to the new board.
Make a board:
Click the link to integrate:
Only one person from your Slack team needs to make the integration, and it will be available for everyone on your team who uses Slack.
To get started, go to your Limnu profile and click the button to add a Slack integration, then follow the instructions.