Based on our record, (R)?ex seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Have a look on Rex - https://rexify.org, in addition to dsl like constructs it is just pure perl. It also doesn't need any dependencies on the managed host, just perl and ssh. Source: over 2 years ago
Since I feel that rex needs more attention, here is a small example from $work using rex. Needed to quickly reconfigure a number of Ubuntu hosts with netplan to use static ip addresses instead of DHCP. Source: almost 3 years ago
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.
Python Fabric - Fabric is a Python library and command-line tool for streamlining the use of SSH for application...
FAI - FAI is a non-interactive system to install, customize and manage Linux systems
Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
Mina - Really fast deployer and server automation tool
SmarTTY - SmarTTY is a neat multi-tabbed SSH client with built-in SSH support.