Friendsome - Improve your relationships by improving your memory.
WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
Marriage Material - An app to help you decide if you should get married (or not)
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Spark Now - Ignite the passion in your relationship
Zulip - Chat for distributed teams. Zulip combines the immediacy of real-time chat with an email threading model. With Zulip, you can catch up on important conversations while ignoring irrelevant ones.