Run any *.rb file from command line. CLI for Ruby classes. It's like Python Fire but for Ruby!
Bash script which allows to send messages to Slack via Incoming Webhooks app. You can use it to send messages directly from console or from Zabbix 3.x+
Wrapper around YANDEX Speller - https://tech.yandex.ru/speller/doc/dg/concepts/speller-overview-docpage/
Zabbix server with ability to send messages to Slack out if the box.