Tabby is a versatile terminal application that offers extensive customization options and supports various platforms, including local shells, serial connections, SSH, and Telnet. It is compatible with Windows, Mac, and Linux, and features an integrated SSH client complete with a connection manager. This app also provides an integrated serial terminal and supports several command-line environments such as PowerShell, PS Core, WSL, Git-Bash, Cygwin, Cmder, and CMD. With comprehensive Unicode support, including double-width characters, and the ability to transfer files to and from SSH sessions through SFTP and Zmodem, Tabby ensures functionality for a range of tasks. Users can enjoy an array of theming options and color schemes, as well as fully customizable shortcuts and multi-chord shortcuts for enhanced productivity. One of its standout features is its ability to remember open tabs and split panes, allowing for a seamless shell experience on Windows with tab completion capabilities. In addition, Tabby incorporates an encrypted container for storing SSH secrets and configuration details, along with progress bars and activity notifications for all open tabs. The application allows for tabs to be positioned on any side of the window and offers an optional quake mode, which docks the terminal to the edge of the screen for quick access. Users can also utilize a global hotkey to easily focus or hide the terminal, and there is an optional built-in password manager that requires a master passphrase for added security, making it a comprehensive tool for users who value both functionality and security in their terminal applications.