When comparing Clipperz vs pass, the Slant community recommends pass for most people. In the question“What is the best cross-platform password manager?” pass is ranked 3rd while Clipperz is ranked 14th. The most important reason people chose pass is:
And is basically just a bunch of GPG-encrypted files stored in a folder.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Disposable one-time pass phrase for use on a public computer
Pro Open source
Clipperz has been around for many years as an open source project.

Pro Completely anonymous
Clipperz does not ask for any personal information, no email required, nothing.
Pro Encryption is client-side
Everything is encrypted in the browser and stored encrypted on the server.
Pro Can be run on own server
Clipperz can be run on a private server.
Pro Download local copy for backup in a pinch

Pro Works in command line
And is basically just a bunch of GPG-encrypted files stored in a folder.

Pro Free and open source

Pro Full control
You are not forced to rely on any other service provider than yourself. Like saving them on a remote server as in the case of LastPass. You don't have to extend your trust (to LastPass or any other provider).

Pro Ultra portable
As it has both Git support and encrypts passwords to GPG-encrypted text files, it is really simple to access everywhere. You can either use a self-hosted or a personal cloud hosted Git repository. It is automatically being kept up-to-date. Clients for pretty much everything and a really active community. Even if you can't run a client you will still be able to access the password by decrypting them from the Git store.
Pro Has cross platform GUI clients
It has a Qt-based GUI, an Android and iOS app, a Firefox plugin, a Golang GUI app, an interactive CUI, a dmenu script, OS X integration, and also an Emacs package.

Pro Not using a database
It doesn't use a database like, for example, KeePass and thus doesn't open all passwords at once. Just one at a time.
Pro Allows storing password history
You can version-control the encrypted files using Git, which allows you to track all changes done.
Pro Adheres to Unix philosophy
Does one thing and does it well.
Pro Uses standard components
As GPG and Git are widely used, it relies on thoroughly tested and secure functionality.
Pro Scripts for importing passwords from different services
Pro Multi user suppport
You and your team can share a repo and different subtrees can be encrypted for different sets of GPG ids.
Pro Support for extra functionality via plugins
For example the plugin "pass-extension-tail" makes it possible to only display the non-password parts of a password file, like the username or the name of the service the password is needed for, and without showing the password.
Pro Minimal
It's very easy to understand what the program does, why it's doing it, and how it's secure.
Pro Has git support
Cons
Con Backups are up to the user
There is no service with this application, it is up to the end user to backup all data.
Con Has to be running on a server to work
Unlike other password managers such as KeePass, Clipperz can not just be simply run by executing once downloaded. It has to be setup to run on a server and then can be accessed from the necessary devices.
Con Not super user friendly
Might be a little too low-level (even with GUIs) for some teams of users.
Con Exposes the names of the sites
By default each file is named 'google.com.gpg' - so someone who steals your password directory would know every site you have accounts on.
Can be mitigated with plugins like Tomb, but a noteworthy caveat.
Con Not hosted = not accessible
As everything is stored locally, there's no way to access your passwords while on public computers, etc. without exposing your private key to the world. You'll have to manually enter your passwords while looking at your phone, etc.
Con Not ideal if you have to use Windows
While windows clients technically exist, this program is quite obviously aimed at UNIX-like systems. If you have to use Windows (eg. for work) then it'll be difficult to get everything set up properly.
Con No webapp for easy shared access
