KeePass is not available as a web app but there are plenty of alternatives that runs in the browser with similar functionality. The best Online alternative is Bitwarden, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to KeePass and loads of them are available as a web app so hopefully you can find a suitable replacement. Other interesting Online alternatives to KeePass are LastPass (Freemium), KeeWeb (Free, Open Source), 1Password (Paid) and Master Password (Free, Open Source).
TeamPass is a Passwords Manager dedicated for managing passwords in a collaborative way on any server Apache, MySQL and PHP. It is especially designed to provide passwords access security for allowed people.
Open Source Password Manager. Passman allows you to host your passwords and credentials on your own Nextcloud or ownCloud instance. The encryption is done on the client and server side with AES256 bit encryption.
Padlock helps you to manage your passwords with a minimalist interface that makes it super-easy to access, add and edit passwords. Available for Windows, Mac, iPhone, Android and a version for Linux is in the pipeline.
Clipperz is an online vault where you can store confidential data without worrying about security. It can be used to save and manage passwords, private notes, burglar alarm codes, credit and debit card details, PINs, software keys, ….
With Passwarden by KeepSolid, you can be sure your passwords and other important data are completely safe. Auto-fill login details, generate strong passwords, protect your stored data, and access your passwords from any device.