Synacor, Inc
Roundcube.net
Proton AG
Microsoft
eM Client
John T. Haller
DRS Softech
Microsoft Corporation
Blue Mail Inc.
mailbird
bodafox
Mozilla
Encryptomatic LLC.
SHIROUZU Hiroaki
EFSoftware
Jörg Knobloch
Immanitas Entertainment
Tutamail
Onel Crack
Spark Mail Limited.
RimArts, Inc
Foundry 376, LLC.
Missive
Gammadyne Corporation
Moonchild Productions
Claws Mail
Opera Software
Discusionus
Dmitry Kozhinov
Broobles
Sourcebits
Omega Expert
World Market Watch
FreePOPs Team
Mit Software
Antonio Rivas
Helmsman
Imayhem
Ciphire Labs
SoftByte Laboratories
Mahogany
Mailnavigator
InternetSoft Corporation
X1 Technologies, Inc.
Novell, Inc.
ExecSoft
DreamStudio
Paolo Kaosmos