Bitwarden Server is an open source project that contains all of the core infrastructure backend of all Bitwarden client applications. This includes APIs, database, Docker and other infrastructure items. Bitwarden is an open source password management solution that stores sensitive information in an encrypted vault.
This project is written in C# using .NET Core with ASP.NET Core, while the database is written in T-SQL/SQLServer.
A .NET password safe, which utilizes Windows encryption, Windows Communication Foundation (WCF), Windows Users/Groups, Active Directory authentication and granular security controls. Designed to securely share passwords in an enterprise environment.