Fig - Fast, isolated development environments using Docker.
Kitty terminal - Super fast, GPU and OpenGL based terminal emulator with tiling support
Teleconsole - Teleconsole is a free service to share your terminal session with people you trust.
ST - Simple Terminal - st is a simple terminal implementation for X.
Shell Notebook - MacOS Terminal, reimagined
Tabby.sh - Tabby is a free and open source SSH, local and Telnet terminal with everything you'll ever need.