An internal tool became a small paid SaaS
A longtime software maker and educator built a “company brain” for his own firm. The tool stores company knowledge, answers questions, and is designed to admit when it does not know something. After a few weeks of internal use, one feature proved more valuable than expected: it alerts people before they ask.
The `vitrus watch` command points out stale knowledge, unresolved items, and gaps that are getting older. That proactive behavior made the tool useful enough that people would keep using it and pay for it. A client then asked to connect it to incoming WhatsApp channel messages and evaluate them.
That request became the , so a was created. The business uses an open core model: the engine, gap analysis, MCP server, and CLI are open source and , while the is managed cloud hosting with connectors, a dashboard, team features, , and audit tools.
Key points
- The product started as an internal company knowledge tool.
- The sticky feature was proactive alerts about stale knowledge, unresolved work, and aging gaps.
- A client request to evaluate WhatsApp channel messages became the first paid use case.
- The core engine and CLI are open source and can be .
- Revenue comes from managed cloud hosting, connectors, dashboards, team access, and audit features.