WhatsApp

Discord

This company provides a communication platform offering voice, video and text chat services for communities and groups of friends to interact online.

Skype

This company develops telecommunications software for voice calls, video conferencing and instant messaging for individual and business customers.

Facebook

This company develops online social networking platforms and digital communication tools for individual consumers and businesses globally.

MessageMe

This company develops a multimedia messaging application for mobile phone users to share text, photos, videos and stickers.

QuickReply

This company provides a WhatsApp marketing and automation platform for direct-to-consumer brands and online stores to manage customer engagement and sales.

Duolingo

This company provides a mobile application and website that offer language, mathematics and music lessons to individual learners worldwide.

Meta / Facebook

This company develops social networking platforms and advertising services for individual users and global businesses.

Truecaller

This company develops a mobile application for caller identification and spam blocking for global individual and business users.