Nexus Repository OSS (Open Source):

• Free and open-source version
• Basic repository management features
• Support for popular formats (Maven, npm, Docker, etc.)
• Basic security features
• Community support
  Nexus Repository Pro:
• Commercial version with enterprise features
• Advanced security capabilities (vulnerability scanning, policy enforcement)
• High availability and clustering support
• Advanced user management and LDAP integration
• Professional support and SLA
• Additional repository formats
• Staging and release management features
• REST API enhancements
• Advanced cleanup policies
  The Pro version is designed for enterprise environments requiring enhanced security, scalability, and support.