OpenSesh

OpenSesh is an open source, native remote connections client for Windows and Linux. It brings terminals, SSH sessions, files, tunnels, and remote desktops into one native desktop app. It covers local terminals, SSH, SFTP, S3, tunnels, telnet, serial ports, mosh, containers, and RDP and VNC remote desktops. OpenSesh has features like keyword highlighting, search, and a background image, as well as a command palette and customizable shortcuts. It also has a high-contrast theme and readable TOML files for settings.