Below a list of interesting links of trusted technolog;
- Postgres Relational Database https://www.postgresql.org/
- Object Relational Mapper https://hibernate.org/ 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: Openiandian.org https://openindiana.org/