Krabby is a browser extension (for Chrome and Firefox) for keyboard-based navigation, inspired by Kakoune.
The main differences with existing extensions are: multiple selections, keyboard layout agnostic, SOV (subject–object–verb) constructs and simple interaction with external programs. It is also quite usable with the mouse.
- Subject–object–verb order. Learn more at Differences with Vi(m).
- Keyboard layout agnostic. Maps to physical keys, but displays with the US layout.
- Multiple selections as a central way of interacting
- Powerful selection manipulation primitives
- Link hints
- External editor support. Open your favorite editor on text inputs.
- Tab search
- Contextual commands
- Contextual help
- Simple interaction with external programs
- Usable with the mouse. You can for example create a selection by grabbing a link with the mouse and to create the selection. Or create multiple selections by clicking on hints with . If you hold Control or Command, you can even make selections with the mouse selection area.
- Limited scope. Krabby is not Vim, nor Kakoune. Krabby is trying to be a navigation tool and some concepts from code editors don’t translate well. For example, there is no concept of mode in Krabby, but a system of contexts.
- Composability. Composability is better than extensibility. Krabby tries hard to provide features that interact well with each other. For example, and are two building blocks to focus a link and yank its URL. Depending on the context, will yank the page or a link URL.
- Modular (think Emacs). Krabby is divided into multiple small projects. At its core Krabby just holds the configuration and grabs its functionalities from other projects.
- Chrome and Firefox support. It has also been tested on Opera, Vivaldi and Brave.
See YouTube · Krabby and krabby-resources for all available demos.
- Make sure to deactivate your extension and browser bindings.
- Press to activate Krabby.
- Press for help.
- Commands are bound to physical keys and displayed with the US layout.
- You can click on the keys themselves to run the commands.
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