GitKraken offers inexpensive on-premise solutions for engineering teams in government, defense, healthcare, education, banking and other sensitive sectors.

LiteDB is serverless database delivered in a single DLL (less than 350kb) fully written in .NET C# managed code (compatible with .NET 3.5, 4.x, NETStandard 1.3 and 2.0). Install via NuGet or just copy DLL to your bin project folder.