This class sends email and allows for multiple attachments and text or HTML emails. Simple to use and handles all errors and header complications from the user. Attach files using $email->Attach(
Most scripts are free or open source. But some have the full source code available for download yet itīs required to have permission to use them and most often the price will be listed. If there is a script license e.g. GNU or GPL then it will also be listed.