What are some alternatives?
When comparing Revitas and WhatsApp, you can also consider the following products
PactSafe - PactSafe offers a contract management application that enables clients to manage, track, implement, and deploy website legal agreements.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
ContractClub - ContractClub helps businesses and professionals manage, negotiate, automate and sign their contracts with software.
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
Symfact - Enterprise contract & compliance management
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.