Hello, I am a journalist in training and I would like to share these three pages that relate to three different segments of my interest.

The first one is a wonderful bank of images, the quality is guaranteed and they have CC0 License [free use]. If you are looking for good images, this is the right place.
https://www.pexels.com/

The second is a meter or, rather, a powerful support to measure different social networks. Followers, unfollows, the best days for your publications, it's amazing.
https://www.crowdfireapp.com/?request_locale=en_US

Finally, a page that uploads an incredible, updated, nutritious and powerful content.
http://www.bbc.co.uk/academy/en/

Thanks for this initiative, I have found many incredible pages in the comments!