diff --git a/composer.json b/composer.json
index 09d4855..a2cf823 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,8 @@
             "Affinity4\\SlimSupport\\": "src/"
         },
         "files": [
-            "./src/Support/helpers.php"
+            "./src/Support/helpers.php",
+            "./src/Collections/helpers.php"
         ]
     },
     "autoload-dev": {
diff --git a/src/Collections/helpers.php b/src/Collections/helpers.php
new file mode 100644
index 0000000..bf69e47
--- /dev/null
+++ b/src/Collections/helpers.php
@@ -0,0 +1,15 @@
+<?php declare(strict_types=1);
+
+if (! function_exists('value')) {
+    /**
+     * Return the default value of the given value.
+     *
+     * @param  mixed  $value
+     * @param  mixed  ...$args
+     * @return mixed
+     */
+    function value($value, ...$args)
+    {
+        return $value instanceof \Closure ? $value(...$args) : $value;
+    }
+}
diff --git a/src/Contracts/Support/Arrayable.php b/src/Contracts/Support/Arrayable.php
new file mode 100644
index 0000000..8a116bf
--- /dev/null
+++ b/src/Contracts/Support/Arrayable.php
@@ -0,0 +1,17 @@
+<?php declare(strict_types=1);
+
+namespace Affinity4\SlimSupport\Contracts\Support;
+
+/**
+ * @template TKey of array-key
+ * @template TValue
+ */
+interface Arrayable
+{
+    /**
+     * Get the instance as an array.
+     *
+     * @return array<TKey, TValue>
+     */
+    public function toArray();
+}
diff --git a/src/Contracts/Support/Jsonable.php b/src/Contracts/Support/Jsonable.php
new file mode 100644
index 0000000..95d9890
--- /dev/null
+++ b/src/Contracts/Support/Jsonable.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace Affinity4\SlimSupport\Contracts\Support;
+
+interface Jsonable
+{
+    /**
+     * Convert the object to its JSON representation.
+     *
+     * @param  int  $options
+     * @return string
+     */
+    public function toJson($options = 0);
+}
diff --git a/src/Support/Fluent.php b/src/Support/Fluent.php
new file mode 100644
index 0000000..f8d7971
--- /dev/null
+++ b/src/Support/Fluent.php
@@ -0,0 +1,199 @@
+<?php
+
+namespace Affinity4\SlimSupport\Support;
+
+use Affinity4\SlimSupport\Contracts\Support\Arrayable;
+use Affinity4\SlimSupport\Contracts\Support\Jsonable;
+
+/**
+ * @template TKey of array-key
+ * @template TValue
+ *
+ * @implements \Affinity4\SlimSupport\Contracts\Support\Arrayable<TKey, TValue>
+ * @implements \ArrayAccess<TKey, TValue>
+ */
+class Fluent implements Arrayable, \ArrayAccess, Jsonable, \JsonSerializable
+{
+    /**
+     * All of the attributes set on the fluent instance.
+     *
+     * @var array<TKey, TValue>
+     */
+    protected $attributes = [];
+
+    /**
+     * Create a new fluent instance.
+     *
+     * @param  iterable<TKey, TValue>  $attributes
+     * @return void
+     */
+    public function __construct($attributes = [])
+    {
+        foreach ($attributes as $key => $value) {
+            $this->attributes[$key] = $value;
+        }
+    }
+
+    /**
+     * Get an attribute from the fluent instance.
+     *
+     * @template TGetDefault
+     *
+     * @param  TKey  $key
+     * @param  TGetDefault|(\Closure(): TGetDefault)  $default
+     * @return TValue|TGetDefault
+     */
+    public function get($key, $default = null)
+    {
+        if (array_key_exists($key, $this->attributes)) {
+            return $this->attributes[$key];
+        }
+
+        return value($default);
+    }
+
+    /**
+     * Get the attributes from the fluent instance.
+     *
+     * @return array<TKey, TValue>
+     */
+    public function getAttributes()
+    {
+        return $this->attributes;
+    }
+
+    /**
+     * Convert the fluent instance to an array.
+     *
+     * @return array<TKey, TValue>
+     */
+    public function toArray()
+    {
+        return $this->attributes;
+    }
+
+    /**
+     * Convert the object into something JSON serializable.
+     *
+     * @return array<TKey, TValue>
+     */
+    public function jsonSerialize(): array
+    {
+        return $this->toArray();
+    }
+
+    /**
+     * Convert the fluent instance to JSON.
+     *
+     * @param  int  $options
+     * @return string
+     */
+    public function toJson($options = 0)
+    {
+        return json_encode($this->jsonSerialize(), $options);
+    }
+
+    /**
+     * Determine if the given offset exists.
+     *
+     * @param  TKey  $offset
+     * @return bool
+     */
+    public function offsetExists($offset): bool
+    {
+        return isset($this->attributes[$offset]);
+    }
+
+    /**
+     * Get the value for a given offset.
+     *
+     * @param  TKey  $offset
+     * @return TValue|null
+     */
+    public function offsetGet($offset): mixed
+    {
+        return $this->get($offset);
+    }
+
+    /**
+     * Set the value at the given offset.
+     *
+     * @param  TKey  $offset
+     * @param  TValue  $value
+     * @return void
+     */
+    public function offsetSet($offset, $value): void
+    {
+        $this->attributes[$offset] = $value;
+    }
+
+    /**
+     * Unset the value at the given offset.
+     *
+     * @param  TKey  $offset
+     * @return void
+     */
+    public function offsetUnset($offset): void
+    {
+        unset($this->attributes[$offset]);
+    }
+
+    /**
+     * Handle dynamic calls to the fluent instance to set attributes.
+     *
+     * @param  TKey  $method
+     * @param  array{0: ?TValue}  $parameters
+     * @return $this
+     */
+    public function __call($method, $parameters)
+    {
+        $this->attributes[$method] = count($parameters) > 0 ? reset($parameters) : true;
+
+        return $this;
+    }
+
+    /**
+     * Dynamically retrieve the value of an attribute.
+     *
+     * @param  TKey  $key
+     * @return TValue|null
+     */
+    public function __get($key)
+    {
+        return $this->get($key);
+    }
+
+    /**
+     * Dynamically set the value of an attribute.
+     *
+     * @param  TKey  $key
+     * @param  TValue  $value
+     * @return void
+     */
+    public function __set($key, $value)
+    {
+        $this->offsetSet($key, $value);
+    }
+
+    /**
+     * Dynamically check if an attribute is set.
+     *
+     * @param  TKey  $key
+     * @return bool
+     */
+    public function __isset($key)
+    {
+        return $this->offsetExists($key);
+    }
+
+    /**
+     * Dynamically unset an attribute.
+     *
+     * @param  TKey  $key
+     * @return void
+     */
+    public function __unset($key)
+    {
+        $this->offsetUnset($key);
+    }
+}
diff --git a/tests/Collections/HelperFunctionsTest.php b/tests/Collections/HelperFunctionsTest.php
new file mode 100644
index 0000000..7fd032d
--- /dev/null
+++ b/tests/Collections/HelperFunctionsTest.php
@@ -0,0 +1,17 @@
+<?php declare(strict_types=1);
+
+namespace Affinity4\SlimSupport\Tests\Collections;
+
+use PHPUnit\Framework\TestCase;
+
+final class HelperFunctionsTest extends TestCase
+{
+    public function testValue(): void
+    {
+        $this->assertSame(1, value(function () {
+            return 1;
+        }));
+        $this->assertSame(1, value(1));
+        $this->assertSame(1, value(1, 2));
+    }
+}
diff --git a/tests/Support/FluentTest.php b/tests/Support/FluentTest.php
new file mode 100644
index 0000000..e751861
--- /dev/null
+++ b/tests/Support/FluentTest.php
@@ -0,0 +1,84 @@
+<?php declare(strict_types=1);
+
+namespace Affinity4\SlimSupport\Tests\Support;
+
+use Affinity4\SlimSupport\Support\Fluent;
+use PHPUnit\Framework\TestCase;
+
+class FluentTest extends TestCase
+{
+    public function testToArray()
+    {
+        $fluent = new Fluent(['foo' => 'bar']);
+        $this->assertSame(['foo' => 'bar'], $fluent->toArray());
+    }
+
+    public function testJsonSerialize()
+    {
+        $fluent = new Fluent(['foo' => 'bar']);
+        $this->assertSame(['foo' => 'bar'], $fluent->jsonSerialize());
+    }
+
+    public function testToJson()
+    {
+        $fluent = new Fluent(['foo' => 'bar']);
+        $this->assertSame('{"foo":"bar"}', $fluent->toJson());
+    }
+
+    public function testGetAttributes()
+    {
+        $fluent = new Fluent(['foo' => 'bar']);
+        $this->assertSame(['foo' => 'bar'], $fluent->getAttributes());
+    }
+
+    public function testGet()
+    {
+        $fluent = new Fluent(['foo' => 'bar']);
+        $this->assertSame('bar', $fluent->get('foo'));
+    }
+
+    public function testGetWithDefault()
+    {
+        $fluent = new Fluent(['foo' => 'bar']);
+        $this->assertSame('bar', $fluent->get('foo', 'default'));
+        $this->assertSame('default', $fluent->get('bar', 'default'));
+    }
+
+    public function testGetWithClosure()
+    {
+        $fluent = new Fluent(['foo' => 'bar']);
+        $this->assertSame('bar', $fluent->get('foo', function () {
+            return 'default';
+        }));
+    }
+
+    public function testGetWithClosureAndDefault()
+    {
+        $fluent = new Fluent(['foo' => 'bar']);
+        $this->assertSame('default', $fluent->get('bar', function () {
+            return 'default';
+        }));
+    }
+
+    public function testGetWithCallable()
+    {
+        $fluent = new Fluent(['foo' => 'bar']);
+        $this->assertSame('bar', $fluent->get('foo', function () {
+            return 'default';
+        }));
+    }
+
+    public function testGetWithCallableAndDefault()
+    {
+        $fluent = new Fluent(['foo' => 'bar']);
+        $this->assertSame('default', $fluent->get('bar', function () {
+            return 'default';
+        }));
+    }
+
+    public function testGetViaMagicCall()
+    {
+        $fluent = new Fluent(['foo' => 'bar']);
+        $this->assertSame('bar', $fluent->foo);
+    }
+}
\ No newline at end of file