More about KeepassXC and its daemon for apps to store and search secrets:
https://avaldes.co/2020/01/28/secret-service-keepassxc.html
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If you are using Tutanota desktop clien tand have that "cannot access secret storage message" (link to faq: https://tutanota.com/faq/#secretstorage) you can use KeepassXC to be your secret storage provider
