BrokenLinkCheck - Free Broken Link Checker / Online Dead Link Checking Tool - find bad hyperlinks
AWS – Cloud Practitioner Cert. - AWS – Cloud Practitioner Cert.
Dead Link Checker - Check for broken links on any website
Exam Guru - Exam Guru is an app designed for the IT professional and students to prepare their certification exams right on their smartphones.
LinkChecker - LinkChecker is a free, GPL licensed website validator.
Azure AZ-103 - Azure AZ-103 is one of the best mobile apps introduced by Naveen Karamchetti that enables IT Professionals to manage Azure resources and subscriptions to configure cost quotas and subscription policies directly through their mobile phones.