Karabiner, previously called KeyRemap4MacBook, is a very powerful keyboard remapper for Mac OS X. In addition to simple key remapping, it has special remapping modes like Emacs-mode, SandS-mode (Space and Shift).
AutoHotkeyand
Encryptic is an open-source note-taking application heavily focused on encryption. When you start writing, no one will know what you write except for you. We don’t know and we don’t want to know. That’s between you and your work.
The programming language for writing single page applications. Mint has all the tools you need to write error free, easily readable and maintainable applications in record time.
Ruby
mu is a tool for dealing with e-mail messages stored in the Maildir-format, on Unix-like systems. mu's main purpose is to help you to find the messages you need, quickly; in addition, it allows you to view messages, extract attachments, create new maildirs, …
Thunderbirdand
Betterbird
Use Emacs to edit textareas and online editors. This extension provides bi-directional editing, cursor and scroll synchronization, and keyboard shortcuts, supporting popular online editors like CodePen, StackBlitz, and more.
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