Passpack vs Password Safe

After the 100 password threshold is passed, this service costs $1.50 per month for up to 1,000 passwords and 3 users. Plans can be expanded all the way to $40.00 per month with the capability to store 10,000 passwords and share with 1,000 users.

Passpack allows creating passwords for accessing the Passpack Vault that can only be used once. Great for accessing the Vault in public or untrusted places.

Passpack support two-factor authentication via e-mail or Yubikey.

Users are not at risk of having their passwords known by Passpack staff, as user data is encrypted before it reaches their servers.

Passpack is compatible with Chrome, Internet Explorer, Firefox, and Safari.

Passpack caters to teams by allowing them to easily share credentials with each other.

For users who have already stored their username and password information in a spreadsheet, Passpack makes it easy to migrate all of the information at once. Additionally, Passpack lets users export their info as well.

No ads, No tracking, No fees. 100% Open Source.

Anyone can review the code.

This does not save or synch with any server; no connection to any external server. There is no central server to hack, no network connection to sniff.

Password Safe has a portable versiona, PasswordSafe2Go.
There is also PasswordSafe for U3 (still supported, but no longer available).

Password Safe has an extremely robust file format in which multiple researches have not found a weakness.

Cross-platform.

Since the passwordSafe is essentially an open standard multiple people can use to develop apps. The pwsafe apps for Mac and iOS are really excellent (paid) management options.