PoshBot
Powershell-based bot framework
...It makes extensive use of classes introduced in PowerShell 5.0. PowerShell modules are loaded into PoshBot and instantly become available as bot commands. PoshBot currently supports connecting to Slack to provide you with awesome ChatOps goodness. PoshBot executes functions or cmdlets from PowerShell modules. Use PoshBot to connect to servers and report status, deploy code, execute runbooks, query APIs, etc. If you can write it in PowerShell, PoshBot can execute it.