If anyone is looking for something with a bit more freedom to choose your own mnemonics and path. kanji.koohii.com is very good. It has maintained by one patreo

If anyone is looking for something with a bit more freedom to choose your own mnemonics and path. kanji.koohii.com is very good. It has maintained by one patreon backed developer for the last 10+ years high. It has accumulated many many people's shared kanji mnemonic stories that you can browse also to use or for guidance when thinking of your own.