Sidekick by Hubspot - Customer insight integrated with your email tools.

Attendify - Develop relationships at the events that you attend by creating smaller events with just a few people.

Sansan - Sansan provides a internal contact sharing service for companies.

Eventsquid - Eventsquid is a SaaS-based event management and registration software for corporate and small-scale event planners.

HiHello - Exchange contacts, seamlessly.

Socio - Connecting with people is just a "phone shake" away!