The features I have found to be most valuable are the levels of encryption I can enact and the compression I can apply to improve throughput.
OpenVPN Access Server offers secure remote access across Mac, Windows, and Linux. This open-source software is affordable and configurable, supporting two-factor authentication and strong encryption. Setup is easy, enhancing user management for small projects. Though stable and scalable, it requires Linux server expertise. Users face issues with patching and protocol support, and improvements in connection speed, stability, and geographical adaptability are needed. Connectivity challenges persist compared to competitors.