#160
B+
Rank #122
Focalboard
Open-source kanban and project-board tool built by Mattermost as a Trello/Notion alternative, with a Go backend and Postgres or SQLite storage.
68.8
/ 100
⚙ Full Stack
Go monolith server with a React/Redux frontend, using Postgres (or SQLite for personal edition) as the store; can run standalone or as a Mattermost plugin.
📈 Scaling Analysis
The server is largely stateless aside from websocket connections for live board updates, so it can scale horizontally with sticky sessions for the websocket layer; Postgres handles the durable state fine at team scale. Development has slowed since it was folded into Mattermost Boards, which caps how far its architecture has evolved for very large multi-team deployments.
🚀 Running on Nexlayer
Run as a single server pod plus a postgres pod, with the DB URL pointing at postgres.pod:5432. Mirror the base image via mirror.gcr.io; since development has slowed since its Mattermost merger, pin a known-good tag rather than tracking latest.