Yukee – Multipurpose Powerpoint Template
https://elements.envato.com/yukee-multipurpose-powerpoint-template-F52MY4
Free 
Flato : Creative Business Powerpoint Template
https://elements.envato.com/flato-creative-business-powerpoint-template-XK46RZ
Free 
Fractions- Powerpoint Template
https://elements.envato.com/fractions-powerpoint-template-KRT389
Free 
Hipsteri – Hipster Style Powerpoint Presentation
https://elements.envato.com/hipsteri-hipster-style-powerpoint-presentation-BH8HHL
Free 
Matrix – minimal powerpoint presentation
https://elements.envato.com/matrix-minimal-powerpoint-presentation-S7UVLC
Free 
Nook – Minimal Powerpoint Template
https://elements.envato.com/nook-minimal-powerpoint-template-5SGZZB
Free 
Strike – Minimal Powerpoint Template
https://elements.envato.com/strike-minimal-powerpoint-template-GWB7EE
Free 
Yukee – Multipurpose Google Slides Template
https://elements.envato.com/yukee-multipurpose-google-slides-template-2URAMH
Free 
Hipsteri – Hipster Style Google Slides
https://elements.envato.com/hipsteri-hipster-style-google-slides-JR3QQK
Free 
Kimpoy – Google Slides Template
https://elements.envato.com/kimpoy-google-slides-template-UKMH8D
Free 
Matrix – Minimal Google Slides Presentation
https://elements.envato.com/matrix-minimal-google-slides-presentation-TJPR8U
Free 
Abstract Titles | Liquid Light | Mobile
https://elements.envato.com/abstract-titles-liquid-light-mobile-CDGUDLG
Free 
Animated Backgrounds for After Effects
https://elements.envato.com/animated-backgrounds-for-after-effects-WFC45BJ
Free