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At least you can deploy a HipChat server in your own boxes, Slack is a no-go for many environments, yet still used because of a good client interface combined w
by Uberphallus 12y ago
At least you can deploy a HipChat server in your own boxes, Slack is a no-go for many environments, yet still used because of a good client interface combined with a cult-like following.
I've found Openfire + Spark IM to be a reasonable alternative sitting between the customizable and the convenient, and it's open source.