# Logseq > Logseq is a privacy-first, open-source platform for knowledge management and collaboration. It is a local-first outliner that stores notes as plain Markdown and Org-mode files linked into a personal knowledge graph. Its developer surface is a JavaScript/TypeScript plugin SDK (@logseq/libs) plus an in-app HTTP APIs server exposing Editor and App proxy methods to local automation. There is no hosted public REST API. Developed in Clojure/ClojureScript, licensed AGPL-3.0, and backed by a16z. ## Developer - [Plugin API Reference](https://plugins-doc.logseq.com): TypeDoc reference for the @logseq/libs plugin SDK - [Plugin Getting Started](https://logseq.github.io/plugins/): Getting started building Logseq plugins with @logseq/libs - [Documentation](https://docs.logseq.com): Product documentation, including the in-app HTTP APIs server - [GitHub Organization](https://github.com/logseq): 72 public repositories, main app at logseq/logseq (AGPL-3.0) ## Packages - [@logseq/libs (npm)](https://www.npmjs.com/package/@logseq/libs): Official plugin SDK libraries - [@logseq/diff-merge (npm)](https://www.npmjs.com/package/@logseq/diff-merge): Block-level diff and merge for Logseq - [@logseq/nbb-logseq (npm)](https://www.npmjs.com/package/@logseq/nbb-logseq): nbb with datascript for Logseq scripting ## Community - [Discuss Forum](https://discuss.logseq.com): Official community support forum - [Blog](https://blog.logseq.com): Product announcements and release notes - [Roadmap](https://logseq.io/p/NX4mc_ggEV): Public product roadmap - [Releases / Changelog](https://github.com/logseq/logseq/releases): Dated desktop and Android release notes ## Legal - [Privacy Policy](https://blog.logseq.com/privacy-policy)