savecmd alternatives

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).

Windows Terminal is a terminal emulator for Windows 10 written by Microsoft. It includes support for the Command Prompt, PowerShell, WSL and SSH. After the initial source code release on GitHub, a preview release was first published to the Microsoft Store on June 21, 2019.

TaaS - Terminal as a Service is a web service that give you access to a full Linux Terminal. No limits set.