Link Whisper - Building smart internal links just got easier
COVID-19 Vaccine Tracker - See what’s the progress administering the virus globally
WordPress Internal Link Optimiser - A internal link optimiser and finder tool for WordPress SEO
Vaccine Hunter - Find soon-to-expire COVID-19 vaccines, using local groups
LinkStorm - Optimize your internal linking
Vaccination Standby List - The standby list for leftover doses of COVID vaccine