Hamachi - Hamachi is a VPN service scaled to the unique needs of business owners.
Nakisa Hanelly - Nakisa Hanelly is a cloud-native organizational design and workforce analytics solution technology developed to get ahead of the dynamic world of work and optimize employee performance and motivation.
ZeroTier - Extremely simple P2P Encrypted VPN
DreamTeam - Effectively manage all of your projects with DreamTeam, a comprehensive project management platform.
OpenVPN - OpenVPN - The Open Source VPN
Sympa - Sympa is an open source (GNU GPL) mailing list management (MLM) software.