When comparing Encryptr vs Buttercup, the Slant community recommends Encryptr for most people. In the question“What are the best password managers for Linux?” Encryptr is ranked 8th while Buttercup is ranked 12th. The most important reason people chose Encryptr is:
Spideroak has been building their products on the principle of zero-knowledge, which means they don't know anything about the encrypted data stored on their servers.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Zero-knowledge cloud
Spideroak has been building their products on the principle of zero-knowledge, which means they don't know anything about the encrypted data stored on their servers.
Pro Open source
This application has a repository on GitHub, and SpiderOak provides an opportunity for us to contribute to Encryptr.
Pro Cross platform
Works on Windows, Mac, Linux, and mobile platforms
Pro Can be installed with home brew
Pro Import other formats
Import passwords from other password managers including 1Password (.1pif), KeePass(.kdbx), and LastPass (.csv).
Pro Open source
There's a large base of developers who work on improving the software.
Pro Good UI
Pro It's free
As in beer.
Cons
Con Does not integrate with browsers
According to this GitHub issue, the main contributor to Encryptr has expressed that he will not provide browser integration.