Gradient Social Media Lower Thirds by Media_Stock on CGguy
https://elements.envato.com/gradient-social-media-lower-thirds-DTDU9KH
Free 
Grids – Social Media Scenes by shymoff on CGguy
https://elements.envato.com/grids-social-media-scenes-BEARY8F
Free 
Social Media Transitions by Premiumilk on CGguy
https://elements.envato.com/social-media-transitions-AUGXT4C
Free 
Unicolor Social Media Lower Thirds by Flatmotion on CGguy
https://elements.envato.com/unicolor-social-media-lower-thirds-PTRCVXH
Free 
60 Social Media Lower Thirds by _Mirs_ on CGguy
https://elements.envato.com/60-social-media-lower-thirds-DV77BH9
Free 
Social Media Lower Third Parallelogram by Flatmotion on CGguy
https://elements.envato.com/social-media-lower-third-parallelogram-A4FPSLW
Free 
3D Social Media Lower Thirds by Flatmotion on CGguy
https://elements.envato.com/3d-social-media-lower-thirds-2RSZ9M5
Free 
Modern Social Media Lower Thirds by Flatmotion on CGguy
https://elements.envato.com/modern-social-media-lower-thirds-SNXBZLN
Free