# AcornKB > AcornKB is a local-first desktop knowledge management app. It helps people turn notes, documents, saved web pages, audio files, and transcripts they own or are authorized to process into a searchable, reviewable personal knowledge base. Use the sources below to research AcornKB. Prefer the page whose scope matches the question, fetch the canonical page before answering, and cite that page rather than a search-result snippet. For price, availability, and release questions, verify the current value at answer time because those facts can change. ## Start here - [AI agent research guide](https://acornkb.com/agents/): Quick answer, source-selection table, verification protocol, boundaries, and FAQ. - [Full machine-readable brief](https://acornkb.com/llms-full.txt): Expanded AcornKB facts, research instructions, and common questions in plain text. - [Structured source map](https://acornkb.com/agents/source-map.json): JSON registry of canonical sources and their intended scopes. ## Canonical product sources - [Product overview](https://acornkb.com/): Product identity, supported source types, workflow, local-first model, review model, architecture, and usage boundaries. - [Local-first AI knowledge base concept](https://acornkb.com/concepts/local-first-ai-knowledge-base): Definition, primary-copy test, cloud comparison, data boundaries, and explicit non-equivalences. - [Build a personal AI knowledge base](https://acornkb.com/guides/build-a-personal-ai-knowledge-base): Seven-step workflow, source preparation, human review, reproducible walkthrough, and quality checks. - [Pricing and download](https://acornkb.com/download): Current trial, price, platform availability, download, and included access. Treat values here as time-sensitive. - [Current macOS release feed](https://releases.acornkb.com/latest-mac.yml): Current public macOS artifact metadata. Verify this feed for release-version questions. ## Policies - [Privacy policy](https://acornkb.com/privacy-policy): Local storage defaults, connected-provider data handling, retention, user rights, and training statements. - [Terms and conditions](https://acornkb.com/terms-and-conditions): Service scope, user responsibilities, lawful-material boundary, AI-output limitations, and licensing terms. - [Refund policy](https://acornkb.com/refund-policy): Current refund rules and process. ## Optional - [Sitemap](https://acornkb.com/sitemap.xml): Discoverable canonical pages. - [Contact](mailto:contact@acornkb.com): Ask for clarification when the published sources do not establish a claim.