1.  JavaScript: 
1.1. dokumentācija: https://developer.mozilla.org/en-US/docs/Web/JavaScript
1.2. w3schools: https://www.w3schools.com/js/DEFAULT.asp
2.  HTML: 
2.1. dokumentācija: https://developer.mozilla.org/en-US/docs/Web/HTML
2.2. w3schools: https://www.w3schools.com/html/DEFAULT.asp
3.  CSS: 
3.1. dokumentācija: https://developer.mozilla.org/en-US/docs/Web/CSS
3.2. w3schools: https://www.w3schools.com/css/DEFAULT.asp
4.  Bootstrap 5: 
4.1. dokumentācija: https://getbootstrap.com/docs/5.0/getting-started/introduction/
4.2 w3schools: https://www.w3schools.com/bootstrap5/index.php;
5.  NodeJS: 
5.1. dokumentācija: https://nodejs.org/en/docs/
5.2. w3schools: https://www.w3schools.com/nodejs/DEFAULT.asp
6.  PostgreSQL: 
6.1. dokumentācija: https://www.postgresql.org/docs/
6.2. w3schools: https://www.w3schools.blog/postgresql-tutorial