The best alternatives to iTerm2 are Hyper, TermBar, and Shell Notebook. If these 3 options don't work for you, we've listed a few more alternatives below.
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Hyper is an open-source and extensible terminal emulator available on MacOS, Windows, and Linux. It's built using web technologies, specifically Electron (the same platform that powers Atom, Slack, and Brave).
Shell Notebook is a terminal packed with features to unleash your productivity. You can: • Type your commands into cells and run them from the notebook • Run commands both locally and remotely (via SSH) • Update your working directory via Finder
Tabby is a highly configurable terminal emulator for Windows, macOS and Linux - Remembers your tabs - PowerShell (and PS Core), WSL, Git-Bash, Cygwin, Cmder and CMD support - Integrated SSH and SFTP client and connection manager - Integrated serial terminal
WTF is a personal information dashboard for your terminal. It allows you to monitor systems, services, and important information that you otherwise might keep browser tabs open for, the kinds of things you don’t always need visible.