added passbolt to password managers

README.md

@@ -922,6 +922,7 @@ See https://github.com/n1trux/awesome-sysadmin#monitoring and https://github.com
 - [keeweb](https://keeweb.info/) - This webapp is a browser and desktop password manager compatible with KeePass databases. ([Source Code](https://github.com/keeweb/keeweb)) `MIT` `HTML5`
 - [sysPass](http://www.syspass.org/) - Multiuser password management system. ([Demo](http://demo.syspass.org/), [Source Code](https://github.com/nuxsmin/sysPass)) `GPL-3.0` `PHP`
 - [Teampass](http://teampass.net/) - Password manager dedicated for managing passwords in a collaborative way on any server Apache, MySQL and PHP. ([Source Code](https://github.com/nilsteampassnet/TeamPass/)) `GPL-3.0` `PHP`
+- [Passbolt](http://passbolt.com/) - Password manager dedicated for managing passwords in a collaborative way on any web server, MySQL and PHP. ([Source Code](https://github.com/passbolt/passbolt_api)) `GNU Affero GPL v3.0` `PHP`
 
 ## Pastebins