Based on our record, Proton Pass seems to be more popular. It has been mentiond 4 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Not open source, but a non-profit foundation guarding it: https://proton.me/pass. - Source: Hacker News / 6 months ago
I'll likely be migrating over to Proton Pass[1] since I already have a Proton Mail subscription anyway. Seems like it meets all your criteria depending on what you consider to be a reasonable cost for a subscription. [1] https://proton.me/pass. - Source: Hacker News / 6 months ago
I use something like Mail.tm or Proton Pass to create a fake account. Source: over 1 year ago
I would also recommend the use of a password manager such as Proton Pass, BitWarden or 1Password if your looking for a more premium solution. Source: over 1 year ago
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