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