Harlan Hugh

Harlan Hugh

Harlan is the inventor of TheBrain.

TheBrain API: Now Fully Local and Unrestrained

TheBrain API: Now Fully Local and Unrestrained

Apr 28, 2026

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

TheBrain 15 Achieves True Cross-Platform Parity: One Codebase, Five Platforms, Full Feature Equality

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

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.

Introducing TheBrain API

Introducing TheBrain API

Nov 1, 2023

TheBrain API has arrived! Jump in!

Inside Jerry's Brain

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

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

TheBrain 12: Concept Discovery and Advanced Note-Linking

Nov 12, 2020

TheBrain 12 integrates capabilities to make connecting information virtually effortless.

Introducing TheBrain 12

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

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?

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

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

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.