Basecamp (via Lobsters, Hacker News, Reddit): Campfire is web-based chat application. It supports many of the features you’d expect, including:Multiple rooms, with access controlsDirect messagesFile attachments with previewsSearchNotifications (via Web Push)@mentionsAPI, with support for bot integrations[…]Campfire’s Docker image contains everything needed for a fully-functional, single-machine deployment. This includes the web app, background jobs, caching, file […]