- Practise coding: https://www.hackerearth.com/
- FreeCodeCamp dev survey: https://www.freecodecamp.org/news/computer-programming-skills-2020-survey-developers-hiring-managers-hackerrank/
- Software devs community: https://dev.to/
- Free certificates: https://learnonline.shop/what-free-professional-certificates-can-i-earn-online/