For DIY graphic needs
Crello: https://crello.com/
Canva: https://www.canva.com/
For Royalty free stock photos
Pixabay: https://pixabay.com/
Pexels: http://pexels.com
Social media tools
Klout: https://klout.com/
Followerwonk: https://moz.com/followerwonk/
Crowdfire: https://www.crowdfireapp.com/
Website heatmap
Hotjar: https://www.hotjar.com/