Jitsi
Foundry 376, LLC.
Tutamail
Tencent
zoom.us
Skype Technologies
Telegram Desktop
Kakao
WhatsApp
AnyDesk Software GmbH
Discord
Twitch Interactive, Inc.
LARK TECHNOLOGIES PTE. LTD.
LogMeIn, Inc.
Qualcomm
Voxox
RSSOwl
Vemedio
Mozilla Foundation
Postbox
TVU networks corporation
NewsGator Technologies, Inc.
Martin Oberhauser
Gizmo Project Team
Dimitris Roilidis