Online scanner :
https://www.virustotal.com

Temporary email
https://10minutemail.com

Test memory? Memtest86+
https://www.memtest.org

Webservice down or is it just me??
https://downforeveryoneorjustme.com

Find someone to call? fx Apple ect
https://gethuman.com

Need a picture?
https://pixabay.com

Certificate check
crt.sh | Certificate Search

Linux
tails linux

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