diff --git a/src/Modules/Source/AbstractSource.php b/src/Modules/Source/AbstractSource.php
new file mode 100644
index 0000000..c2ca9b2
--- /dev/null
+++ b/src/Modules/Source/AbstractSource.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Tapestry\Modules\Source;
+
+use Tapestry\Entities\Permalink;
+
+abstract class AbstractSource implements SourceInterface
+{
+
+    /**
+     * File meta data, usually from front matter or site config.
+     *
+     * @var array
+     */
+    protected $meta = [];
+
+    /**
+     * The Permalink object attached to this file.
+     *
+     * @var Permalink
+     */
+    protected $permalink;
+
+    /**
+     * This is the files rendered content as set by `setRenderedContent`.
+     *
+     * @var bool|string
+     */
+    protected $content = false;
+
+}
\ No newline at end of file
diff --git a/src/Modules/Source/SourceInterface.php b/src/Modules/Source/SourceInterface.php
new file mode 100644
index 0000000..a1fd5aa
--- /dev/null
+++ b/src/Modules/Source/SourceInterface.php
@@ -0,0 +1,52 @@
+<?php
+
+namespace Tapestry\Modules\Source;
+
+use Tapestry\Entities\Permalink;
+
+interface SourceInterface
+{
+    public function getUid() : string;
+
+    public function setUid(string $uid);
+
+    public function setData(string $key, $value = null);
+
+    public function setDataFromArray(array $data);
+
+    public function getData(string $key = null, $default = null);
+
+    public function hasData(string $key) : bool;
+
+    public function getRawContent() : string;
+
+    public function setRenderedContent(string $content);
+
+    public function getRenderedContent() : string;
+
+    public function getPermalink() : Permalink;
+
+    public function getCompiledPermalink() : string;
+
+    public function setOverloaded(string $key, $value);
+
+    public function getFilename(bool $overloaded = true) : string;
+
+    public function getExtension(bool $overloaded = true) : string;
+
+    public function hasChanged() : bool;
+
+    public function setHasChanged(bool $value = true);
+
+    public function isRendered() : bool;
+
+    public function setRendered(bool $value = true);
+
+    public function isToCopy() : bool;
+
+    public function setToCopy(bool $value = true);
+
+    public function isIgnored() : bool;
+
+    public function setIgnored(bool $value = true);
+}
\ No newline at end of file
diff --git a/src/Modules/Source/SplFileSource.php b/src/Modules/Source/SplFileSource.php
new file mode 100644
index 0000000..4183535
--- /dev/null
+++ b/src/Modules/Source/SplFileSource.php
@@ -0,0 +1,118 @@
+<?php
+
+namespace Tapestry\Modules\Source;
+
+use Tapestry\Entities\Permalink;
+
+class SplFileSource extends AbstractSource implements SourceInterface
+{
+    public function getUid(): string
+    {
+        // TODO: Implement getUid() method.
+    }
+
+    public function setUid(string $uid)
+    {
+        // TODO: Implement setUid() method.
+    }
+
+    public function setData(string $key, $value = null)
+    {
+        // TODO: Implement setData() method.
+    }
+
+    public function setDataFromArray(array $data)
+    {
+        // TODO: Implement setDataFromArray() method.
+    }
+
+    public function getData(string $key = null, $default = null)
+    {
+        // TODO: Implement getData() method.
+    }
+
+    public function hasData(string $key): bool
+    {
+        // TODO: Implement hasData() method.
+    }
+
+    public function getRawContent(): string
+    {
+        // TODO: Implement getRawContent() method.
+    }
+
+    public function setRenderedContent(string $content)
+    {
+        // TODO: Implement setRenderedContent() method.
+    }
+
+    public function getRenderedContent(): string
+    {
+        // TODO: Implement getRenderedContent() method.
+    }
+
+    public function getPermalink(): Permalink
+    {
+        // TODO: Implement getPermalink() method.
+    }
+
+    public function getCompiledPermalink(): string
+    {
+        // TODO: Implement getCompiledPermalink() method.
+    }
+
+    public function setOverloaded(string $key, $value)
+    {
+        // TODO: Implement setOverloaded() method.
+    }
+
+    public function getFilename(bool $overloaded = true): string
+    {
+        // TODO: Implement getFilename() method.
+    }
+
+    public function getExtension(bool $overloaded = true): string
+    {
+        // TODO: Implement getExtension() method.
+    }
+
+    public function hasChanged(): bool
+    {
+        // TODO: Implement hasChanged() method.
+    }
+
+    public function setHasChanged(bool $value = true)
+    {
+        // TODO: Implement setHasChanged() method.
+    }
+
+    public function isRendered(): bool
+    {
+        // TODO: Implement isRendered() method.
+    }
+
+    public function setRendered(bool $value = true)
+    {
+        // TODO: Implement setRendered() method.
+    }
+
+    public function isToCopy(): bool
+    {
+        // TODO: Implement isToCopy() method.
+    }
+
+    public function setToCopy(bool $value = true)
+    {
+        // TODO: Implement setToCopy() method.
+    }
+
+    public function isIgnored(): bool
+    {
+        // TODO: Implement isIgnored() method.
+    }
+
+    public function setIgnored(bool $value = true)
+    {
+        // TODO: Implement setIgnored() method.
+    }
+}
\ No newline at end of file