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osTicket
The osTicket open source ticketing system official project repository, for versions 1.8 and later
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Another option, for a dedicated ticketing/helpdesk system, is osTicket. Self-hosted is completely free, and I had it up and running inside of an hour, from creating a fresh Debian LXC, installing Apache/MariaDB/PHP8.1, and uploading the requisite files for osTicket followed by the initial setup. Going off your mention of snaps, I'm assuming you're on Ubuntu or a derivative, if you'd like I should be able to write up a quick guide for installing osTicket specifically for whatever version of Ubuntu you're on, cause at least on Debian I had to go track down the requisite PHP version.