- [rtop](https://github.com/rapidloop/rtop) - Interactive, remote system monitoring tool based on SSH. `MIT``Go`
- [ruptime](https://github.com/alexmyczko/ruptime) - Classic system status server. `AGPL-3.0``Shell`
- [Scrutiny](https://github.com/AnalogJ/scrutiny) - Web UI for hard drive S.M.A.R.T monitoring, historical trends & real-world failure thresholds. `MIT``Go`
- [SecGate](https://github.com/zzmlb/secgate) - One-command Linux server security gateway with authentication proxy for any TCP port, real-time attack dashboard, vulnerability scanner and AI security assistant. ([Source Code](https://github.com/zzmlb/secgate)) `MIT``Python`
- [Sensu](https://sensu.io/) - Monitoring tool for ephemeral infrastructure and distributed applications. ([Source Code](https://github.com/sensu/sensu-go)) `MIT``Go`
- [Status](https://github.com/dani3l0/Status) - Simple and lightweight system monitoring tool for small homeservers with a pleasant web interface. ([Demo](https://status.enshittification.social/) `MIT``Python`
- [Thruk](https://www.thruk.org/) - Multibackend monitoring web interface with support for Naemon, Nagios, Icinga and Shinken. ([Source Code](https://github.com/sni/Thruk)) `GPL-1.0``Perl`