I have some accounts. Here, is the full list of all.
I will update if I have any other:

Social Media Accounts

• Udemy
• Quora
• LinkedIn
• Xing
• Twitter
• Instagram
• StackOverflow
• YouTube
• DevianArt
• 99designs

Git Accounts

• GitHub
• BitBucket
• GitLab

Academia Related Accounts

• Academia
• ResearchGate
• Publons
• ORCID

Domain names that I have

• hilalcalisir.com
• osmancalisir.com
• datenwissenschaft.com
• datavetenskap.com
• apicoat.com
• montedu.com
• harvardiana.com