PHPMailer - Email sending library for PHP.
OCS inventory NG - OCS inventory NG is a free software that enables users to inventory IT assets.
SendGrid - Learn why more developers choose SendGrid for their email deliverability service to send transactional emails triggered by web apps. Get started for free
code-prettify - Code Prettify is an embeddable script that makes source-code snippets in HTML prettier.
EmailJS - Send email directly from your client-side Javascript code – no server side code required. Add static or dynamic attachments, dynamic parameters, captcha code and more. Start with our free tier!
Apache Tika - Apache Tika toolkit detects and extracts metadata and text from different file types.