Nessa postagem temos 10 cursos de Ruby on Rails, sendo que 6 deles são em português e 4 em inglês, caso saiba de mais cursos gratuitos comente nesse poste, espero que esse poste ajude seus estudos.
Jackson Pires
https://www.youtube.com/watch?v=ZHPondVB9RQ&%3Blist=PLe3LRfCs4go-mkvHRMSXEOG-HDbzesyaP
Codifike
https://www.youtube.com/watch?v=2SEKJdKzwNU&list=PLFeyfVYazTkJN6uM5opCfSN_xjxrMybXV
Noob code
https://www.youtube.com/watch?v=4r2fiwMzMq0
Jornada do dev
https://jornadadodev.com.br/cursos/curso-de-ruby-rails
Udemy
https://www.udemy.com/course/8-beautiful-ruby-on-rails-apps-in-30-days/
Udemy
https://www.udemy.com/course/newbie-to-ruby/
Danilo Aparecido – Torne-se um programador
https://www.youtube.com/watch?v=zB4m43UPAxk&list=PLEdPHGYbHhldWUFs2Q-jSzXAv3NXh4wu0
Udemy
https://www.udemy.com/course/ruby-on-rails-a-beginners-guide-free/
Udemy
https://www.udemy.com/course/introduction-to-ruby-on-rails/