diff --git a/.idea/php.xml b/.idea/php.xml
index a87bd36..dec4919 100644
--- a/.idea/php.xml
+++ b/.idea/php.xml
@@ -1,11 +1,26 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="MessDetectorOptionsConfiguration">
+    <option name="transferred" value="true" />
+  </component>
+  <component name="PHPCSFixerOptionsConfiguration">
+    <option name="transferred" value="true" />
+  </component>
+  <component name="PHPCodeSnifferOptionsConfiguration">
+    <option name="transferred" value="true" />
+  </component>
   <component name="PhpIncludePathManager">
     <include_path>
       <path value="/usr/share/php" />
     </include_path>
   </component>
-  <component name="PhpProjectSharedConfiguration" php_language_level="8.1">
+  <component name="PhpProjectSharedConfiguration" php_language_level="8.2">
     <option name="suggestChangeDefaultLanguageLevel" value="false" />
   </component>
+  <component name="PhpStanOptionsConfiguration">
+    <option name="transferred" value="true" />
+  </component>
+  <component name="PsalmOptionsConfiguration">
+    <option name="transferred" value="true" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/src/ncc/Abstracts/BuiltinRemoteSourceType.php b/src/ncc/Abstracts/BuiltinRemoteSourceType.php
new file mode 100644
index 0000000..4f3eeb3
--- /dev/null
+++ b/src/ncc/Abstracts/BuiltinRemoteSourceType.php
@@ -0,0 +1,17 @@
+<?php
+
+    namespace ncc\Abstracts;
+
+    abstract class BuiltinRemoteSourceType
+    {
+        /**
+         * The remote source indicates the package is to be
+         * fetched using the composer utility.
+         */
+        const Composer = 'composer';
+
+
+        const All = [
+            self::Composer
+        ];
+    }
\ No newline at end of file
diff --git a/src/ncc/Abstracts/DefinedRemoteSourceType.php b/src/ncc/Abstracts/DefinedRemoteSourceType.php
index 345e4c9..5f19f99 100644
--- a/src/ncc/Abstracts/DefinedRemoteSourceType.php
+++ b/src/ncc/Abstracts/DefinedRemoteSourceType.php
@@ -4,9 +4,45 @@
 
     abstract class DefinedRemoteSourceType
     {
+        /**
+         * The remote source is from a generic remote git server
+         * (Will search for packages with /group/package)
+         *
+         * For example if the host is git.example.com and the package is
+         * group/package, the package will be fetched from
+         * https://git.example.com/group/package.git
+         *
+         * The git client will be used to fetch the package
+         * but NCC will not be able to easily check for updates
+         * without having to pull the entire repository
+         */
         const Git = 'git';
 
+        /**
+         * THe remote source is from gitlab or a custom gitlab instance
+         *
+         * Will use an API wrapper to interact with the gitlab instance
+         * to fetch the package and check for updates without having to
+         * pull the entire repository
+         *
+         * Will still use git to fetch the package from the gitlab instance
+         */
         const Gitlab = 'gitlab';
 
+        /**
+         * The remote source is from GitHub
+         *
+         * Will use an API wrapper to interact with the GitHub instance
+         * to fetch the package and check for updates without having to
+         * pull the entire repository
+         *
+         * Will still use git to fetch the package from the GitHub instance
+         */
         const Github = 'github';
+
+        const All = [
+            self::Git,
+            self::Gitlab,
+            self::Github
+        ];
     }
\ No newline at end of file
diff --git a/src/ncc/Abstracts/ExceptionCodes.php b/src/ncc/Abstracts/ExceptionCodes.php
index 74dd103..8eb6e24 100644
--- a/src/ncc/Abstracts/ExceptionCodes.php
+++ b/src/ncc/Abstracts/ExceptionCodes.php
@@ -2,6 +2,8 @@
 
     namespace ncc\Abstracts;
 
+    use ncc\Exceptions\GitlabServiceException;
+
     /**
      * @author Zi Xing Narrakas
      * @copyright Copyright (C) 2022-2022. Nosial - All Rights Reserved.
@@ -278,6 +280,22 @@
          */
         const UnsupportedRemoteSourceTypeException = -1753;
 
+        /**
+         * @see GitCloneException
+         */
+        const GitCloneException = -1754;
+
+        /**
+         * @see GitCheckoutException
+         */
+        const GitCheckoutException = -1755;
+
+        /**
+         * @see GitlabServiceException
+         */
+        const GitlabServiceException = -1756;
+
+
         /**
          * All the exception codes from NCC
          */
@@ -334,6 +352,9 @@
             self::UserAbortedOperationException,
             self::MissingDependencyException,
             self::HttpException,
-            self::UnsupportedRemoteSourceTypeException
+            self::UnsupportedRemoteSourceTypeException,
+            self::GitCloneException,
+            self::GitCheckoutException,
+            self::GitlabServiceException
         ];
     }
\ No newline at end of file
diff --git a/src/ncc/Abstracts/RemoteSource.php b/src/ncc/Abstracts/RemoteSource.php
deleted file mode 100644
index 77dbd43..0000000
--- a/src/ncc/Abstracts/RemoteSource.php
+++ /dev/null
@@ -1,16 +0,0 @@
-<?php
-
-    namespace ncc\Abstracts;
-
-    abstract class RemoteSource
-    {
-        /**
-         * The remote source is from composer
-         */
-        const Composer = 'composer';
-
-        /**
-         * The remote source is from a git repository
-         */
-        const Git = 'git';
-    }
\ No newline at end of file
diff --git a/src/ncc/Abstracts/Versions.php b/src/ncc/Abstracts/Versions.php
index 8676dba..4c675eb 100644
--- a/src/ncc/Abstracts/Versions.php
+++ b/src/ncc/Abstracts/Versions.php
@@ -18,4 +18,9 @@
          * The current version of the package lock structure file format
          */
         const PackageLockVersion = '1.0.0';
+
+        /**
+         * Generic version of the package structure file format (latest)
+         */
+        const Latest = 'latest';
     }
\ No newline at end of file
diff --git a/src/ncc/CLI/HelpMenu.php b/src/ncc/CLI/HelpMenu.php
index 47c4b3c..6fa874e 100644
--- a/src/ncc/CLI/HelpMenu.php
+++ b/src/ncc/CLI/HelpMenu.php
@@ -75,6 +75,7 @@
                 new CliHelpSection(['cache'], 'Manages the system cache'),
                 new CliHelpSection(['cred'], 'Manages credentials'),
                 new CliHelpSection(['config'], 'Changes NCC configuration values'),
+                new CliHelpSection(['source'], 'Manages remote sources'),
             ]);
         }
 
diff --git a/src/ncc/CLI/Main.php b/src/ncc/CLI/Main.php
index 1c571f6..b759513 100644
--- a/src/ncc/CLI/Main.php
+++ b/src/ncc/CLI/Main.php
@@ -122,6 +122,10 @@
                             ConfigMenu::start(self::$args);
                             exit(0);
 
+                        case 'source':
+                            SourcesMenu::start(self::$args);
+                            exit(0);
+
                         case '1':
                         case 'help':
                             HelpMenu::start(self::$args);
diff --git a/src/ncc/CLI/SourcesMenu.php b/src/ncc/CLI/SourcesMenu.php
new file mode 100644
index 0000000..6ac77ef
--- /dev/null
+++ b/src/ncc/CLI/SourcesMenu.php
@@ -0,0 +1,220 @@
+<?php
+
+    namespace ncc\CLI;
+
+    use Exception;
+    use ncc\Abstracts\Scopes;
+    use ncc\Exceptions\IOException;
+    use ncc\Managers\RemoteSourcesManager;
+    use ncc\Objects\CliHelpSection;
+    use ncc\Objects\DefinedRemoteSource;
+    use ncc\Utilities\Console;
+    use ncc\Utilities\Functions;
+    use ncc\Utilities\Resolver;
+
+    class SourcesMenu
+    {
+        /**
+         * Displays the main help menu
+         *
+         * @param $args
+         * @return void
+         */
+        public static function start($args): void
+        {
+            if(isset($args['add']))
+            {
+                try
+                {
+                    self::addEntry($args);
+                }
+                catch(Exception $e)
+                {
+                    Console::outException('Error while adding entry.', $e, 1);
+                }
+
+                return;
+            }
+
+            if(isset($args['remove']))
+            {
+                try
+                {
+                    self::removeEntry($args);
+                }
+                catch(Exception $e)
+                {
+                    Console::outException('Cannot remove entry.', $e, 1);
+                }
+
+                return;
+            }
+
+            if(isset($args['list']))
+            {
+                try
+                {
+                    self::listEntries();
+                }
+                catch(Exception $e)
+                {
+                    Console::outException('Cannot list entries.', $e, 1);
+                }
+
+                return;
+            }
+
+            self::displayOptions();
+        }
+
+
+        /**
+         * @return void
+         */
+        public static function listEntries(): void
+        {
+            $source_manager = new RemoteSourcesManager();
+            $sources = $source_manager->getSources();
+
+            if(count($sources) == 0)
+            {
+                Console::out('No remote sources defined.', 1);
+                return;
+            }
+
+            Console::out('Remote sources:', 1);
+            foreach($sources as $source)
+            {
+                Console::out(' - ' . $source->Name . ' (' . $source->Host . ')', 1);
+            }
+
+            Console::out('Total: ' . count($sources), 1);
+        }
+
+        /**
+         * @param $args
+         * @return void
+         */
+        public static function addEntry($args): void
+        {
+            if(Resolver::resolveScope() !== Scopes::System)
+            {
+                Console::outError('Insufficient permissions to add entry.', true, 1);
+                return;
+            }
+
+            $name = $args['name'] ?? null;
+            $type = $args['type'] ?? null;
+            $host = $args['host'] ?? null;
+            $ssl = $args['ssl'] ?? null;
+
+            if($name == null)
+            {
+                Console::outError(sprintf('Missing required argument \'%s\'.', 'name'), true, 1);
+                return;
+            }
+
+            if($type == null)
+            {
+                Console::outError(sprintf('Missing required argument \'%s\'.', 'type'), true, 1);
+                return;
+            }
+
+            if($host == null)
+            {
+                Console::outError(sprintf('Missing required argument \'%s\'.', 'host'), true, 1);
+                return;
+            }
+
+            if($ssl !== null)
+            {
+                $ssl = Functions::cbool($ssl);
+            }
+
+            $source_manager = new RemoteSourcesManager();
+            $source = new DefinedRemoteSource();
+            $source->Name = $name;
+            $source->Type = $type;
+            $source->Host = $host;
+            $source->SSL = $ssl;
+
+            if(!$source_manager->addRemoteSource($source))
+            {
+                Console::outError(sprintf('Cannot add entry \'%s\', it already exists', $name), true, 1);
+                return;
+            }
+
+            try
+            {
+                $source_manager->save();
+            }
+            catch (IOException $e)
+            {
+                Console::outException('Cannot save remote sources file.', $e, 1);
+                return;
+            }
+
+            Console::out(sprintf('Entry \'%s\' added successfully.', $name));
+        }
+
+        /**
+         * Removes an existing entry from the vault.
+         *
+         * @param $args
+         * @return void
+         */
+        private static function removeEntry($args): void
+        {
+            $ResolvedScope = Resolver::resolveScope();
+
+            if($ResolvedScope !== Scopes::System)
+                Console::outError('Insufficient permissions to remove entries');
+
+            $name = $args['name'] ?? null;
+
+            if($name == null)
+            {
+                Console::outError(sprintf('Missing required argument \'%s\'.', 'name'), true, 1);
+                return;
+            }
+
+            $source_manager = new RemoteSourcesManager();
+
+            if(!$source_manager->deleteRemoteSource($name))
+            {
+                Console::outError(sprintf('Cannot remove entry \'%s\', it does not exist', $name), true, 1);
+                return;
+            }
+
+            try
+            {
+                $source_manager->save();
+            }
+            catch (IOException $e)
+            {
+                Console::outException('Cannot save remote sources file.', $e, 1);
+                return;
+
+            }
+            Console::out(sprintf('Entry \'%s\' removed successfully.', $name));
+        }
+
+        /**
+         * Displays the main options section
+         *
+         * @return void
+         */
+        private static function displayOptions(): void
+        {
+            Console::out('Usage: ncc sources {command} [options]');
+            Console::out('Options:');
+            Console::outHelpSections([
+                new CliHelpSection(['help'], 'Displays this help menu about the sources command'),
+                new CliHelpSection(['add'], 'Adds a new entry to the list of remote sources (See below)'),
+                new CliHelpSection(['remove', '--name'], 'Removes an entry from the list'),
+                new CliHelpSection(['list'], 'Lists all entries defined as remote sources'),
+            ]);
+            Console::out((string)null);
+
+        }
+    }
\ No newline at end of file
diff --git a/src/ncc/Classes/ComposerExtension/ComposerSource.php b/src/ncc/Classes/ComposerExtension/ComposerSourceBuiltin.php
similarity index 99%
rename from src/ncc/Classes/ComposerExtension/ComposerSource.php
rename to src/ncc/Classes/ComposerExtension/ComposerSourceBuiltin.php
index 31f3d9b..8fbd154 100644
--- a/src/ncc/Classes/ComposerExtension/ComposerSource.php
+++ b/src/ncc/Classes/ComposerExtension/ComposerSourceBuiltin.php
@@ -30,7 +30,7 @@
     use ncc\Exceptions\UnsupportedCompilerExtensionException;
     use ncc\Exceptions\UnsupportedRunnerException;
     use ncc\Exceptions\UserAbortedOperationException;
-    use ncc\Interfaces\RemoteSourceInterface;
+    use ncc\Interfaces\ServiceSourceInterface;
     use ncc\Managers\ProjectManager;
     use ncc\Objects\ComposerLock;
     use ncc\Objects\ProjectConfiguration;
@@ -47,7 +47,7 @@
     use ncc\Utilities\RuntimeCache;
     use SplFileInfo;
 
-    class ComposerSource implements RemoteSourceInterface
+    class ComposerSourceBuiltin implements ServiceSourceInterface
     {
         /**
          * Attempts to acquire the package from the composer repository and
@@ -134,7 +134,7 @@
             {
                 $package_path = $base_dir . DIRECTORY_SEPARATOR . 'vendor' . DIRECTORY_SEPARATOR . $package->Name;
                 // Generate the package configuration
-                $project_configuration = ComposerSource::generateProjectConfiguration($package->Name, $composer_lock);
+                $project_configuration = ComposerSourceBuiltin::generateProjectConfiguration($package->Name, $composer_lock);
 
                 // Process the source files
                 if ($package->Autoload !== null)
diff --git a/src/ncc/Exceptions/GitCheckoutException.php b/src/ncc/Exceptions/GitCheckoutException.php
new file mode 100644
index 0000000..cd84341
--- /dev/null
+++ b/src/ncc/Exceptions/GitCheckoutException.php
@@ -0,0 +1,19 @@
+<?php
+
+    namespace ncc\Exceptions;
+
+    use ncc\Abstracts\ExceptionCodes;
+    use Throwable;
+
+    class GitCheckoutException extends \Exception
+    {
+        /**
+         * @param string $message
+         * @param Throwable|null $previous
+         */
+        public function __construct(string $message = "", ?Throwable $previous = null)
+        {
+            parent::__construct($message, ExceptionCodes::GitCheckoutException, $previous);
+            $this->message = $message;
+        }
+    }
diff --git a/src/ncc/Exceptions/GitCloneException.php b/src/ncc/Exceptions/GitCloneException.php
new file mode 100644
index 0000000..a9cc009
--- /dev/null
+++ b/src/ncc/Exceptions/GitCloneException.php
@@ -0,0 +1,20 @@
+<?php
+
+    namespace ncc\Exceptions;
+
+    use Exception;
+    use ncc\Abstracts\ExceptionCodes;
+    use Throwable;
+
+    class GitCloneException extends Exception
+    {
+        /**
+         * @param string $message
+         * @param Throwable|null $previous
+         */
+        public function __construct(string $message = "", ?Throwable $previous = null)
+        {
+            parent::__construct($message, ExceptionCodes::GitCloneException, $previous);
+            $this->message = $message;
+        }
+    }
\ No newline at end of file
diff --git a/src/ncc/Exceptions/GitlabServiceException.php b/src/ncc/Exceptions/GitlabServiceException.php
new file mode 100644
index 0000000..202ee1e
--- /dev/null
+++ b/src/ncc/Exceptions/GitlabServiceException.php
@@ -0,0 +1,20 @@
+<?php
+
+    namespace ncc\Exceptions;
+
+    use Exception;
+    use ncc\Abstracts\ExceptionCodes;
+    use Throwable;
+
+    class GitlabServiceException extends Exception
+    {
+        /**
+         * @param string $message
+         * @param Throwable|null $previous
+         */
+        public function __construct(string $message = "", ?Throwable $previous = null)
+        {
+            parent::__construct($message, ExceptionCodes::GitlabServiceException, $previous);
+            $this->message = $message;
+        }
+    }
\ No newline at end of file
diff --git a/src/ncc/Objects/DefinedRemoteSource.php b/src/ncc/Objects/DefinedRemoteSource.php
new file mode 100644
index 0000000..7177e3c
--- /dev/null
+++ b/src/ncc/Objects/DefinedRemoteSource.php
@@ -0,0 +1,75 @@
+<?php
+
+    /** @noinspection PhpMissingFieldTypeInspection */
+
+    namespace ncc\Objects;
+
+    use ncc\Abstracts\DefinedRemoteSourceType;
+    use ncc\Utilities\Functions;
+
+    class DefinedRemoteSource
+    {
+        /**
+         * The unique name of the remote source. (e.g. 'github')
+         * Allows packages to be fetched using the name of the remote source.
+         * eg: 'vendor/package:master@custom_source'
+         *
+         * @var string
+         */
+        public $Name;
+
+        /**
+         * The type of service NCC should use with this source (git, gitlab, github, etc...).
+         *
+         * @var string|DefinedRemoteSourceType
+         */
+        public $Type;
+
+        /**
+         * The host of the service NCC should use with this source (gitlab.com, github.com, git.example.com:8080 etc...).
+         *
+         * @var string
+         */
+        public $Host;
+
+        /**
+         * If SSL should be used when connecting to the service
+         *
+         * @var bool
+         */
+        public $SSL;
+
+        /**
+         * Returns an array representation of the object
+         *
+         * @param bool $bytecode
+         * @return array
+         */
+        public function toArray(bool $bytecode=false): array
+        {
+            return [
+                ($bytecode ? Functions::cbc('name') : 'name') => $this->Name,
+                ($bytecode ? Functions::cbc('type') : 'type') => $this->Type,
+                ($bytecode ? Functions::cbc('host') : 'host') => $this->Host,
+                ($bytecode ? Functions::cbc('ssl') : 'ssl') => $this->SSL
+            ];
+        }
+
+        /**
+         * Constructs object from an array representation.
+         *
+         * @param array $data
+         * @return static
+         */
+        public static function fromArray(array $data): self
+        {
+            $definedRemoteSource = new self();
+
+            $definedRemoteSource->Name = Functions::array_bc($data, 'name');
+            $definedRemoteSource->Type = Functions::array_bc($data, 'type');
+            $definedRemoteSource->Host = Functions::array_bc($data, 'host');
+            $definedRemoteSource->SSL = Functions::array_bc($data, 'ssl');
+
+            return $definedRemoteSource;
+        }
+    }
\ No newline at end of file
diff --git a/src/ncc/Objects/HttpRequest.php b/src/ncc/Objects/HttpRequest.php
index fc3760f..9b28347 100644
--- a/src/ncc/Objects/HttpRequest.php
+++ b/src/ncc/Objects/HttpRequest.php
@@ -43,6 +43,13 @@
          */
         public $Authentication;
 
+        /**
+         * An array of curl options to set
+         *
+         * @var array
+         */
+        public $Options;
+
         public function __construct()
         {
             $this->Type = HttpRequestType::GET;
@@ -50,6 +57,7 @@
             $this->Headers = [
                 'User-Agent: ncc/1.0'
             ];
+            $this->Options = [];
         }
 
         /**
@@ -64,7 +72,8 @@
                 'url' => $this->Url,
                 'headers' => $this->Headers,
                 'body' => $this->Body,
-                'authentication' => $this->Authentication
+                'authentication' => $this->Authentication,
+                'options' => $this->Options
             ];
         }
 
@@ -82,6 +91,7 @@
             $request->Headers = $data['headers'];
             $request->Body = $data['body'];
             $request->Authentication = $data['authentication'];
+            $request->Options = $data['options'];
             return $request;
         }
     }
\ No newline at end of file
diff --git a/src/ncc/Utilities/Functions.php b/src/ncc/Utilities/Functions.php
index 13e6413..7087fd7 100644
--- a/src/ncc/Utilities/Functions.php
+++ b/src/ncc/Utilities/Functions.php
@@ -484,4 +484,26 @@
             }
             return $randomString;
         }
+
+        /**
+         * Returns a path to a temporary directory
+         *
+         * @param bool $create
+         * @param bool $set_as_tmp
+         * @return string
+         * @throws InvalidScopeException
+         */
+        public static function getTmpDir(bool $create=true, bool $set_as_tmp=true): string
+        {
+            $path = PathFinder::getCachePath() . DIRECTORY_SEPARATOR . self::randomString(16);
+            if($create)
+            {
+                $filesystem = new Filesystem();
+                /** @noinspection PhpRedundantOptionalArgumentInspection */
+                $filesystem->mkdir($path, 0777);
+            }
+            if($set_as_tmp)
+                RuntimeCache::setFileAsTemporary($path);
+            return $path;
+        }
     }
\ No newline at end of file
diff --git a/src/ncc/Utilities/HttpClient.php b/src/ncc/Utilities/HttpClient.php
index 5abb381..ebded8e 100644
--- a/src/ncc/Utilities/HttpClient.php
+++ b/src/ncc/Utilities/HttpClient.php
@@ -28,6 +28,9 @@
             curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
             curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
 
+            foreach($httpRequest->Options as $option => $value)
+                curl_setopt($curl, $option, $value);
+
             switch($httpRequest->Type)
             {
                 case HttpRequestType::GET:
diff --git a/src/ncc/Utilities/PathFinder.php b/src/ncc/Utilities/PathFinder.php
index 340eb6f..8872291 100644
--- a/src/ncc/Utilities/PathFinder.php
+++ b/src/ncc/Utilities/PathFinder.php
@@ -173,6 +173,17 @@
             return self::getDataPath($scope, $win32) . DIRECTORY_SEPARATOR . 'package.lck';
         }
 
+        /**
+         * @param string $scope
+         * @param bool $win32
+         * @return string
+         * @throws InvalidScopeException
+         */
+        public static function getRemouteSources(string $scope=Scopes::Auto, bool $win32=false): string
+        {
+            return self::getDataPath($scope, $win32) . DIRECTORY_SEPARATOR . 'sources';
+        }
+
         /**
          * Returns an array of all the package lock files the current user can access (For global-cross referencing)
          *