1. Discourse. Might be different for others but I had 0 time to manage the deployment, and upgrades took a lot of time. 2. I used https://www.linen.dev/ https:

1. Discourse. Might be different for others but I had 0 time to manage the deployment, and upgrades took a lot of time. 2. I used https://www.linen.dev/ https://www.linen.dev/ but I think there are others. It turn Slack conversations in a searchable static site. 3. Developer community for an open source software product.