diff --git a/src/Core/Project.cs b/src/Core/Project.cs
new file mode 100644
index 00000000..a2f4523a
--- /dev/null
+++ b/src/Core/Project.cs
@@ -0,0 +1,114 @@
+using System.Collections.Generic;
+using CppSharp.AST;
+using CppSharp.Parser;
+
+namespace CppSharp
+{
+    /// <summary>
+    /// Represents a reference to a source file.
+    /// </summary>
+    public class SourceFile
+    {
+        /// <summary>
+        /// Gets the file name.
+        /// </summary>
+        public string Name
+        {
+            get { return System.IO.Path.GetFileName(Path); }
+        }
+
+        /// <summary>
+        /// Gets the file path.
+        /// </summary>
+        public string Path { get; private set; }
+
+        /// <summary>
+        /// Gets/sets the parser options for the file.
+        /// </summary>
+        public ParserOptions Options { get; set; }
+
+        /// <summary>
+        /// Gets/sets the AST representation of the file.
+        /// </summary>
+        public TranslationUnit Unit { get; set; }
+
+        public SourceFile(string path)
+        {
+            Path = path;
+        }
+
+        public override string ToString()
+        {
+            return Path;
+        }
+    }
+
+    /// <summary>
+    /// Represents a C++ project with source and library files.
+    /// </summary>
+    public class Project
+    {
+        /// <summary>
+        /// List of per-project C/C++ preprocessor defines.
+        /// </summary>
+        public IList<string> Defines { get; private set; }
+
+        /// <summary>
+        /// List of per-project C/C++ include directories.
+        /// </summary>
+        public IList<string> IncludeDirs { get; private set; }
+
+        /// <summary>
+        /// List of per-project C/C++ system include directories.
+        /// </summary>
+        public IList<string> SystemIncludeDirs { get; private set; }
+
+        /// <summary>
+        /// List of source files in the project.
+        /// </summary>
+        public IList<SourceFile> Sources { get; private set; }
+
+        /// <summary>
+        /// Main AST context with translation units for the sources.
+        /// </summary>
+        public ASTContext ASTContext { get; private set; }
+        
+        public Project()
+        {
+            Defines = new List<string>();
+            IncludeDirs = new List<string>();
+            SystemIncludeDirs = new List<string>();
+
+            Sources = new List<SourceFile>();
+        }
+
+        /// <summary>
+        /// Adds a new source file to the project.
+        /// </summary>
+        public SourceFile AddFile(string path)
+        {
+            var sourceFile = new SourceFile(path);
+            Sources.Add(sourceFile);
+
+            return sourceFile;
+        }
+
+        /// <summary>
+        /// Adds a group of source files to the project.
+        /// </summary>
+        public void AddFiles(IEnumerable<string> paths)
+        {
+            foreach (var path in paths)
+                AddFile(path);
+        }
+
+        /// <summary>
+        /// Adds a new source file to the project.
+        /// </summary>
+        public void AddFolder(string path)
+        {
+            var sourceFile = new SourceFile(path);
+            Sources.Add(sourceFile);
+        }
+    }
+}