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(in Electron it has a good default since the native UI gets it's theme set, but this does not happen in a browser where the user selects the dark theme) |
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Heynote
Heynote is a dedicated scratchpad for developers. It functions as a large persistent text buffer where you can write down anything you like. Works great for that Slack message you don't want to accidentally send, a JSON response from an API you're working with, notes from a meeting, your daily to-do list, etc.
The Heynote buffer is divided into blocks, and each block can have its own Language set (e.g. JavaScript, JSON, Markdown, etc.). This gives you syntax highlighting and lets you auto-format that JSON response.
Available for Mac, Windows, and Linux.
Features
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Persistent text buffer
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Block-based
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Syntax highlighting:
C++, C#, Clojure, CSS, Erlang, Go, Groovy, HTML, Java, JavaScript, JSX, Kotlin, TypeScript, TOML, TSX, JSON, Lezer, Markdown, PHP, Python, Ruby, Rust, Shell, SQL, Swift, XML, YAML
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Language auto-detection
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Auto-formatting
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Math/Calculator mode
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Currency conversion
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Multi-cursor editing
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Dark & Light themes
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Option to set a global hotkey to show/hide the app
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Default or Emacs-like key bindings
Installation
Download the appropriate (Mac, Windows or Linux) version from the latest Github release (or from heynote.com). The Windows build is not signed, so you might see some scary warning (I can not justify paying a yearly fee for a certificate just to get rid of that).
Notes on Linux installation
It's been reported (#48) that ChromeOS's Debian VM need the following packages installed to run the Heynote AppImage:
libfuse2
libnss3
libnspr4
Development
To develop Heynote you need Node.js and you should (hopefully) just need to check out the code and then run:
> npm install
> npm run dev
Run Tests
To run the tests:
> npm run test
To run the tests in the Playwright UI:
> npm run test:ui
Contributions
I'm happy to merge contributions that fit my vision for the app. Bug fixes are always welcome.
FAQ
Where is the buffer data stored?
The default paths for the buffer data for the respective OS are:
- Mac:
~/Library/Application Support/Heynote/buffer.txt - Windows:
%APPDATA%\Heynote\buffer.txt - Linux:
~/.config/Heynote/buffer.txt
From version >=1.5.0, symlinks will be supported and you'll be able to configure the path where buffer.txt is stored.
Can you make a mobile app?
No, at the moment this is out of scope, sorry.
Can you add a feature for naming blocks and/or adding tags? (#44)
Currently, I'm not planning on adding this. The main reason is that it goes against the scratchpadness of the program.
I can totally see the usefulness of such a feature, and it's definitely something that I would expect from a more traditional Notes app. However a large part of Heynote's appeal is it's simplicity, and if that is to remain so, I'm going to have to say no to a lot of actually useful features.
What are the default keyboard shortcuts?
On Mac
⌘ + Enter Add new block below the current block
⌥ + Enter Add new block before the current block
⌘ + Shift + Enter Add new block at the end of the buffer
⌥ + Shift + Enter Add new block at the start of the buffer
⌘ + ⌥ + Enter Split the current block at cursor position
⌘ + L Change block language
⌘ + Down Goto next block
⌘ + Up Goto previous block
⌘ + A Select all text in a note block. Press again to select the whole buffer
⌘ + ⌥ + Up/Down Add additional cursor above/below
⌥ + Shift + F Format block content (works for JSON, JavaScript, HTML, CSS and Markdown)
On Windows and Linux
Ctrl + Enter Add new block below the current block
Alt + Enter Add new block before the current block
Ctrl + Shift + Enter Add new block at the end of the buffer
Alt + Shift + Enter Add new block at the start of the buffer
Ctrl + Alt + Enter Split the current block at cursor position
Ctrl + L Change block language
Ctrl + Down Goto next block
Ctrl + Up Goto previous block
Ctrl + A Select all text in a note block. Press again to select the whole buffer
Ctrl + Alt + Up/Down Add additional cursor above/below
Alt + Shift + F Format block content (works for JSON, JavaScript, HTML, CSS and Markdown)
Alt Show menu
Can Math blocks do X?
Heynote's Math blocks are powered by Math.js expressions. Checkout their documentation to see what syntax, functions, and constants are available.
Can I change how the results of Math blocks are formatted?
Yes! You can define a custom format function within the Math block like this:
_format = format # store reference to the built in format
format(x) = _format(x, {notation:"exponential"})
See the Math.js format() function for more info on what's supported.
Thanks!
Heynote is built upon CodeMirror, Vue, Electron, Math.js, Prettier and other great open-source projects.