What are some alternatives?
When comparing OpenWrt and iTerm2, you can also consider the following products
MikroTik RouterOS - The main product of MikroTik is a Linux-based operating system known as MikroTik RouterOS.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
MobaXterm - MobaXterm is a software that uses a set of optimized network tools included in a single exe file. MobaXterm integrates several network clients with an X server, and also integrates a full set of Unix based commands. Read more about MobaXterm.
DD-WRT - DD-WRT is a Linux based alternative OpenSource firmware suitable for a great variety of WLAN...
KiTTY - KiTTY is a fork from version 0.70 of PuTTY. It adds extra features to PuTTY.