The SDA sample has its licence information in the source code itself. It's a use at your own risk licence with the requirements that:
// SharpDevelop samples
// Copyright (c) 2006, AlphaSierraPapa
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// - Redistributions of source code must retain the above copyright notice, this list
// of conditions and the following disclaimer.
//
// - Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other materials
// provided with the distribution.
//
// - Neither the name of the SharpDevelop team nor the names of its contributors may be used to
// endorse or promote products derived from this software without specific prior written
// permission.
Again the SharpDevelop code that the SDA uses via assembly references is LGPL licensed.
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