The best (IMO) Log Viewer for Laravel 5 (compatible with 4.2 too).

Install via composer

composer require inewspjb/log-viewer

Add Service Provider to config/app.php in providers section

BinhBEER\LogViewer\LogViewerServiceProvider::class,

Add a route in app/Http/routes.php (or choose another route):

Route::get('logs', '\BinhBEER\LogViewer\LogViewerController@index');

Go to http://myapp/logs or some other route