Nexus' software components have new names:

Nexus PRIME -> Smart ID Identity Manager
Nexus Certificate Manager -> Smart ID Certificate Manager
Nexus Hybrid Access Gateway -> Smart ID Digital Access component
Nexus Personal -> Smart ID clients

Go to Nexus homepage for overviews of Nexus' solutions, customer cases, news and more.

For more information on the legacy product Nexus Personal Desktop: 
Nexus Personal Desktop Client 

Nexus Personal Desktop Client is a smart card middleware integrating smart cards and security tokens and provides your users with intuitive two-factor authentication (2FA), digital signing, email encryption etc.

Use virtual smart cards on your desktop, Yubico yubikeys or ID06 cards for multifactor authentication (MFA) to digital resources, Windows logon, digital signing, email encryption and visual identification. Or use Smart ID Desktop App to encode smart cards.