Whit Jackson made one which seems to be built utilizing HTML/Javascript (GitHub backlink). He also had a website in which you could generate the addresses consumer aspect, however it seems to be down now. GitHub - danielewood/vanityssh-go: vanityssh-go helps you to generate ED25519 private keys with vanity general public keys https://vanityeth97407.ourcodeblog.com/29389558/5-tips-about-eth-vanity-address-generator-you-can-use-today