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.
BrandBucket - The original marketplace for business names and creative domain names.
Slack - A messaging app for teams who see through the Earth!
Brandpa - Domain names for startups
Flow - Stop managing projects from your inbox.
Zlipa - Startup names with available dotcoms and logos