Apache is a free and open-source cross-platform web server software.
Etracker is a web optimisation solution.
Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
Modernizr is a JavaScript library that detects the features available in a user's browser.
TYPO3 is a free and open-source Web content management system written in PHP.
WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.