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Red Hat - We make open source technologies for the enterprise
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VirtualBoxes - Free VirtualBox® Images | Ready-to-use virtual machines for open-source operating systems
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Linphone open source VoIP SIP softphone - voice, video and instant messaging
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iSpy: Open Source Camera Security Software
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FlashRouters - Open Source VPN Privacy WiFi Routers - DD-WRT & TomatoUSB
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Seafile - Open Source File Sync and Share Software
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Eclipse Mosquitto