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Software · Office & notes

Tangent

Tangent is a note-taking program, available on Windows, macOS and Linux: Markdown support and syntax highlighting.

  • Completely free
  • Windows, macOS and Linux
  • Open source
  • No account

Overview

Tangent is a note-taking program, available on Windows, macOS and Linux.

Features described in its Flathub listing, in its GitHub repository and on its official website: Markdown support and syntax highlighting.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “It uses and a slightly customized markdown syntax.” — GitHub, 10 November 2026
  • “Tangent supports bold, italics, headers, lists, links, images, todos, tags, inline code, block code with syntax highlighting, inline and block KaTeX math, color highlights, strikethrough, and comments.” — Flathub, 10 November 2026
  • “Tangent Notes” — official website, 10 November 2026

At a glance

Tangent is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (Apache-2.0) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

  • Open source code
  • No account needed
  • Commercial use allowed

About

Tangent lets you write the way you think. Your thoughts are connected; Tangent lets you link to existing notes and make new ones with ease. Let your mind wander along the path of interest. Don't suppress tangential thoughts; embrace them. Key features include: [[Wiki-link]] linking to other files in your workspace by name. Horizontally-scrolling sliding panels for quickly moving back and forth along a trail of thoughts. A Map View of the links between notes created and followed during your current session. Note creation automation with support for creating notes within folders defined by wildcards. Full-workspace note search powered by a custom query language. Tangent reads and writes plaintext notes using a loose interpretation of Markdown syntax. Text is rendered in a pseudo-WYSIWYG style, with formatting characters appearing only when you need them. Tangent supports bold, italics, headers, lists, links, images, todos, tags, inline code, block code with syntax highlighting, inline and block KaTeX math, color highlights, strikethrough, and comments.

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from GitHub (credit card, account, source code, publisher, licence, free status, platforms, commercial use) —
  • Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) —
  • Facts collected from Unspecified source (platforms) —
  • Facts collected from Official plan pages (pricing, licence, terms) (commercial use) —
  • Last technical check: 7 November 2026
  • Description from Flathub — AppStream (Flathub)

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