Realm is a mobile database: a replacement for SQLite & ORMs
Fluent migrations framework for .NET
Object-database mapper for .NET
ECM / DMS, Projectmanagement, TimeRecording, ... ERP
Build HTML5 apps for web and mobile using your .NET skills
Analyze an Entity Framework edmx file to identity mapping issues.
Database Table Data Archiver
goLite is the next generation SQLite GUI
Tool for creating and editing SQL queries for many kind of SQL DBs