CubyText

TypeScript

An open-source knowledge management app.

Last updated Jun 11, 2026

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View on GitHub ↗ Open in github.dev

Topics

#gui-application #knowledge-graph #local-first #note-taking #privacy #privacy-first #productivity

Language breakdown

TypeScript 91.2%

SCSS 6.9%

JavaScript 1.5%

HTML 0.3%

CSS 0.1%

▸ Files click to expand

README

Cuby Text

What

Cuby Text is:

An experimental knowledge management app
An app focused on writing
An open source app
A personal project

Cuby Text is NOT:

An open-source alternative to a commercial product
A stable product

Why

Many excellent knowledge management apps are based on extended markdown files. They are powerful but not expressive.

New products use blocks to organize their content. It's very inspirational. I like them, but I want privacy and native experiences too.

So I created CubyText. It's fast and designed to be extensible. To achieve this goal I built the blocky editor.

It doesn't have complex concepts, just simple pages and blocks. No big deal.

Download

Features

Simple and flexible

Everything is a block

Rich-text, with markdown shortcuts

| Bold | Heading | | ---- | ------- | |

|

|

- Press [[ to create references

Multiple tabs

Auto outline/graph generation
Cross platforms

- MacOS - Windows - Linux

Local first

- All data are stored locally in one file, easy to transfer and backup - Fast loading and searching

Dark mode

Work in progress:

[ ] Extensions(WIP)

Technologies

The primary third-party libraries and frameworks:

The principles:

The dependencies should be as few as possible
The tech stack should be easy to learn and contribute

Contributing

FAQ

How to sync data between devices?

TLDR: not support yet

This feature is intended to be implemented by the extension API.

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