Less friction.More flow.
Octarine is a fast, lightweight tool for writing, planning, and organizing — in Markdown that stays yours.
Available for macOS, Linux & Windows!

Loved and trusted by many
Join thousands of users who have made Octarine their go-to note-taking app.Been using Octarine as my daily driver for the past few days and I'm impressed. Seriously considering jumping from Noteplan.
Oh my god it is perfect! Thank you so much!! I love how it renders the diagram under the definition instead of replacing it, perfect!! You have a user for life!
Octarine looks FRESH! I've tried a lot of note taking apps. Got a good feeling about this one 🔥
After testing upwards of 75+ apps, I settled on Octarine. From my personal needs matrix, Octarine was the only app that checked all my boxes aside from missing iOS apps. I love this app!
I really like Octarine's purpose of having all of its features built-in. A lot of Octarine is much like how I've set up Obsidian-- except I didn't scramble for extensions that depend on each other to work
Been an early adopter of Octarine and have used it daily ever since. Octarine is a delight to use! Lightweight, beautiful, highly performant!
I rely on the Octarine app every day. I use it to jot down my daily plans, sprint plans, and project checklists before I start working. Having a tool that’s so easy and intuitive to use really reduces a lot of friction in my workflow. This is truly the next generation of note-taking for developers.
Carefully crafted features that bring joy to your workflow.
Octarine just works. No need to figure out random plugins for basic workflows.Small Footprint. But doesn't lack a punch.
90% lighter than other note-taking apps, while not compromising on the writing experience.Your data, your way.
