Mono is an open source implementation of Microsofts .NET Framework, which in turn is meanwhile based on the ECMA standards for C# and the Common Language Runtime. Mono provides its own C# compiler, and a JIT/AOT-based VM. It adds true runtime cross-platform support by providing Gtk/Cairo, OpenGL, LDAP, and POSIX bindings, and further integration with Wine. Mono runs on Linux, BSD systems, MacOS, PS3, Wii, Android, x86/amd64, PowerPC, Sparc, ARM, Alpha systems. Besides C# 4.0-6.0 support, it can

Npgsql 8.0.2

Npgsql is a .NET data provider for Postgresql 9.0 and later. It's implemented completely in C# 3.0 and thus does not require a client library. Allows complete database querying and CRUD interaction, has some support for ADO.NET 2.0, provides logging support, allows :colon or @prefix parameter binding, and native large object support.