Wow! Pretty sure I already used, or am using more than half of them. This is an online test I'd love to see. Which open source tools do you know, or used? Than in the end you'll have your score. 

 I wish I had names for those I haven't used. 

 Where's BTC and NOSTR on here? 

 https://image.nostr.build/f141ab4d74572f30c5eebba47a2b39f9fb3734502ec8a7d91876da2d9a16f87b.png