Cabinet is a free and open-source AI-first knowledge base and workspace designed to give users full ownership and control over their data and workflows. Unlike typical knowledge management tools that rely on proprietary databases or cloud storage, Cabinet stores all information as markdown files on disk, allowing users to manage, back up, and version their data without vendor lock-in. The platform positions itself as a startup operating system, enabling teams and founders to orchestrate business processes and workflows using AI agents that operate directly on their own files and infrastructure.
A distinguishing feature of Cabinet is its integration of AI agents that go beyond simple search or chatbot functionality. These agents can research, draft, and execute tasks on a schedule, automating workflows such as drafting documents, managing go-to-market communications, and preparing board updates. Users can connect Cabinet to their own AI model accounts, including services like Claude, OpenAI, Gemini, Grok, and local models, without incurring additional fees or being tied to a new vendor. This "bring your own AI" approach allows teams to leverage the AI services they already pay for, with no added markup or bundled inference costs.
Cabinet supports self-hosting, so sensitive or "crown-jewel" data never leaves the user's infrastructure. The tool is designed to integrate with a range of company systems, consolidating work from various tools into a single location that teams and AI agents can access and act upon. The platform emphasizes flexibility, allowing users to customize workflows and structure information to fit their specific needs.
There are no subscriptions, trials, paywalls, or proprietary restrictions with Cabinet. Users can download the application for Mac or Windows, or run it via command line, and are encouraged to clone, modify, and extend it as needed. Cabinet identifies itself as an AI-native, git-backed, markdown-based knowledge base and operating system for startups and technical teams, focused on transparency, extensibility, and user ownership.
Cabinet is a Knowledge base & wikis product. Enabling teams to manage knowledge and automate workflows using AI agents on local markdown files without vendor lock-in. It is built as an open-source project for startups and technical teams. Cabinet is open source under the MIT license. It runs on the command line and macOS, and it can be self-hosted.
Cabinet first shipped in 2026. Development happens publicly on GitHub with 2.4k stars and 1.1k commits in the last 90 days. Key capabilities include markdown support, AI agents, and self-hosted. It exposes integrations via a public API.
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