logit.io - Logit.io provides complete observability of logs, metrics and traces. The platform also offers alerting & monitoring, as well as Prometheus, OpenSearch & Grafana. Ingest any type of data to see real-time insights about your applications and services
Sitecake - Drag and drop CMS for HTML websites. It's flat file CMS so it's pretty fast.
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
Anchor CMS - Free and lightweight blogging system
CXGuardian - CXGuardian is a platform powered by QualityKiosk Technologies and allows users to monitor their mobile and web-based applications’ performance.
Textpattern - Textpattern is an elegant content management system that is free, open source software.