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
BrokenLinkCheck - Free Broken Link Checker / Online Dead Link Checking Tool - find bad hyperlinks
Plumbr - Plumbr is an application performance platform that provides insights to users on the performance of their applications.
Dead Link Checker - Check for broken links on any website
AppOptics - Application performance management and infrastructure monitoring.
LinkChecker - LinkChecker is a free, GPL licensed website validator.