Apache Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC, RDP, and SSH. Developed by Glyptodon LLC
License: Open Source
RealVNC is known for its ease of use and cross-platform compatibility, making it ideal for quick remote access, while Guacamole offers a web-based solution that is highly customizable and open-source, making it suitable for more complex setups and environments.