Particle Collision Logo Opener Pack by MartinProUser on CGguy
https://elements.envato.com/particle-collision-logo-opener-pack-VFXKZGB
Free 
Media Transitions FX Pack Vol.2 by MartinProUser on CGguy
https://elements.envato.com/media-transitions-fx-pack-vol-2-VVY42BD
Free 
Modern Transitions 5 Pack Volume 2 by AngryAlpacaTv on CGguy
https://elements.envato.com/modern-transitions-5-pack-volume-2-VWAG4VF
Free