Apache is a free and open-source cross-platform web server software.
Open Graph is a protocol that is used to integrate any web page into the social graph.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.
Virtuagym is a cloud-based membership management and coaching platform designed for personal trainers and fitness businesses of all sizes.
WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.