MoinMoin - MoinMoin is an advanced, easy to use and extensible WikiEngine with a large community of users.
Notopass - Share your accounts without giving username/password
XWiki - A powerful Open Source collaborative platform enhancing collaboration and communication.
1Password - 1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.
DokuWiki - DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.
SuperTokens - Open Source User Authentication - An Alternative to Auth0 / Firebase Auth / AWS Cognito