TheBrain now exposes a local HTTP API directly from the desktop app. Featuring blazing speed, real-time UI updates, and uncompromising power.

Harlan Hugh
Harlan is the inventor of TheBrain.

TheBrain 15 Achieves True Cross-Platform Parity: One Codebase, Five Platforms, Full Feature Equality
Apr 24, 2026
The latest version of TheBrain is now available across all five major platforms: Web, Windows, macOS, iPhone/iPad, and Android! This represents a historic milestone in TheBrain’s 28-year journey. For the first time since its debut, the exact same codebase now powers every platform, delivering complete feature parity with no compromises. Every major feature you rely on is fully supported everywhere—no more platform gaps or “desktop-only” capabilities.

Unifying TheBrain: Version 15 Now Live on the Web
Dec 23, 2025
TheBrain 15 is now available in the web client, representing a significant milestone in our long-term effort to unify TheBrain experience across platforms. What began as an ambitious vision is now reality: a single, cohesive codebase powering both desktop and web.
Inside Jerry's Brain
Apr 13, 2023
Jerry’s Brain 25th Anniversary. A Journey of Innovation and Discovery in the World’s Largest Brain.

Introducing TheBrain’s New Web Client
Mar 3, 2023
TheBrain’s all new web client, Project Vulcan, brings visual non-linear knowledge authoring and indexing to everyone on every platform.

TheBrain 12: Concept Discovery and Advanced Note-Linking
Nov 12, 2020
TheBrain 12 integrates capabilities to make connecting information virtually effortless.

Introducing TheBrain 12
Oct 16, 2020
What if you could combine the most powerful features of TheBrain with the best of the latest note taking applications and the ease of use of a wiki into one seamless application? This is the question I invite you to answer with the beta release of TheBrain 12.

Enhance Your Brain Power
Aug 5, 2020
The Adrian Sinclair Show interviews TheBrain's creator, Harlan Hugh in their latest episode of Conversations With Interesting People. Watch Now
Markdown vs. HTML – What Makes the Most Powerful Notes Editor?
Aug 1, 2020
The all-new custom-built notes editor is the main feature of TheBrain 11. One of the key changes is that it uses Markdown instead of HTML as its underlying format.
Why did we choose Markdown over HTML? What are the benefits and what does it mean for the future? If you'd like to know, read on.

TheBrain 10 Beta
Sep 27, 2018
We're excited to announce that TheBrain 10 is now available for beta testing.
Version 10 brings ideas to life that we have been planning for a long time now and it's great to see them getting out into the world. Here are a few of my favorites.
Smooth Syncing with TheBrain 9.1
Aug 15, 2018
TheBrain 9.1 features state of the art sync technology making it faster and easier than ever to sync your data across all your devices. Sync lets you have access to your notes, files, webpages and everything else in your Brain from anywhere, anytime even without a network connection.

