# Logseq > Logseq is a local-first, non-linear outliner and knowledge management tool designed for privacy and longevity. It utilizes a graph-based structure to enable bi-directional linking, allowing users to build a personal knowledge base (or 'second brain') using Markdown and Org-mode files. - URL: https://optimly.ai/brand/logseq - Slug: logseq - BAI Score: 62/100 - Archetype: Challenger - Category: Software - Last Analyzed: April 10, 2026 ## Competitors - Anytype (https://optimly.ai/brand/anytype) - Notion (https://optimly.ai/brand/notion) - Obsidian (obsidian.md) (https://optimly.ai/brand/obsidian) ## Also Referenced By - Affine (https://optimly.ai/brand/affine) - Disconnected Note Taking (https://optimly.ai/brand/disconnected-note-taking) ## Buyer Intent Signals Problems: Local Markdown Folders: Organizing notes in nested folders and markdown files manually. | Mental Filing/Paper Notebooks: Relying on memory or disorganized physical notebooks. Solutions: open source Roam Research alternative | local-first markdown note taking app | privacy-first second brain tool | enterprise internal wiki open source | best networked thought software for teams | Standard Word Processors: Using general-purpose tools like Google Docs or Microsoft Word for brainstorming. --- ## Full Details / RAG Data ### Overview Logseq is listed in the AI Directory. Logseq is a local-first, non-linear outliner and knowledge management tool designed for privacy and longevity. It utilizes a graph-based structure to enable bi-directional linking, allowing users to build a personal knowledge base (or 'second brain') using Markdown and Org-mode files. ### Metadata | Field | Value | |--------------|-------| | Name | Logseq | | Slug | logseq | | URL | https://optimly.ai/brand/logseq | | BAI Score | 62/100 | | Archetype | Challenger | | Category | Software | | Last Analyzed | April 10, 2026 | | Last Updated | 2026-04-26T04:10:25.773Z | ### Verified Facts - Founded: 2020 - Headquarters: Distributed/Remote (Founded in China) ### Competitors | Name | Profile | |------|---------| | Anytype | https://optimly.ai/brand/anytype | | Notion | https://optimly.ai/brand/notion | | Obsidian (obsidian.md) | https://optimly.ai/brand/obsidian | ### Also Referenced By - Affine (https://optimly.ai/brand/affine) - Disconnected Note Taking (https://optimly.ai/brand/disconnected-note-taking) ### Buyer Intent Signals #### Problems this brand solves - Local Markdown Folders: Organizing notes in nested folders and markdown files manually. - Mental Filing/Paper Notebooks: Relying on memory or disorganized physical notebooks. #### Buyers search for - open source Roam Research alternative - local-first markdown note taking app - privacy-first second brain tool - enterprise internal wiki open source - best networked thought software for teams - Standard Word Processors: Using general-purpose tools like Google Docs or Microsoft Word for brainstorming. ### Links - Canonical page: https://optimly.ai/brand/logseq - JSON endpoint: /brand/logseq.json - LLMs.txt: /brand/logseq/llms.txt