honeycomb-slugs
HoneyComb CMS package checks if URLs is not repeating and if so creates a slug
laravel-csv-importer
by rgilyov
Easy and reliable way to import, parse, validate and transform your csv files with laravel
laravel-email-validator
Provides a Facade to help validate and verify email addresses
laravel-upload-manager
by reg2005
Upload, validate, storage, manage by API for Laravel 5.1/5.2/5.3/5.4