--- title: "dceniac (@dceniac) | Hashnode" description: "Checking licenses, server sizing, and real self-hosting costs for open-source business software. Read the latest articles by dceniac on Hashnode." url: "https://hashnode.com/@dceniac" --- @dceniac # dceniac @dceniac · Joined November 2026 Checking licenses, server sizing, and real self-hosting costs for open-source business software. ### [Self-Hosting Chatwoot vs Zammad for 6–15 Agents: The Open-Core Seat Trap vs Elasticsearch RAM Math](https://builderstack.hashnode.dev/self-hosting-chatwoot-vs-zammad-cost-license-ram?utm_source=hashnode&utm_medium=feed) Chatwoot MIT vs $19/agent open-core roles compared against Zammad AGPL-3.0 and its 10 GB Elasticsearch RAM baseline for 6–15 agent teams. 3 min read · [builderstack.hashnode.dev](https://builderstack.hashnode.dev/self-hosting-chatwoot-vs-zammad-cost-license-ram?utm_source=hashnode&utm_medium=feed) [9h ago](https://hashnode.com/posts/self-hosting-chatwoot-vs-zammad-cost-license-ram/6af44f63b66c88ddf5feca55)