AbsentKey is a secure vault for sharing passwords, files, and private info with people you trust. You control exactly when they get access. Set a waiting time from instant to a year. When someone requests access, you approve, deny, or do nothing if you don't respond before the timeout, they receive your secrets automatically. Zero-knowledge encryption with libsodium. Servers only store scrambled data. Our clients are source-viewable verify the crypto yourself. Receiving is always free.