Below a list of interesting links of trusted technologies:
- Postgres Relational Database https://www.postgresql.org/
- Object Relational Mapper https://hibernate.org/
- Free Software Foundation Europe https://www.fsfe.org
- Debian Linux https://www.debian.org/
- Gnu https://www.gnu.org/
- Eclipse Foundation https://www.eclipse.org/
- The future of Solaris: Openindiana.org https://openindiana.org/
- The future of Solaris Part II: https://www.illumos.org/
- strongSwan (IPsec/IKEv2 VPN-Suite, Upstream-Projekt): https://www.strongswan.org
- dhc-vpn-client (Open-Source IKEv2-VPN-Client für Windows, von Herbert Consult): github.com/dhc-labs/dhc-vpn-client