Mailtrap - Email Delivery Platform that delivers just in time. Great for businesses and individuals.
LAN Messenger - LAN Messenger is a decentralized UDP IM-style chat client which supports usernames...
FakeSMTP - FakeSMTP is a Free Fake SMTP Server with GUI for testing emails in applications easily.
MyChat - Secure instant messenger for any network
MailCatcher - MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a...
Bopup IM Suite - Organize secure messaging system and communicate instantly via self-hosted IM server.