SpeedSolving.com is a community focused on speed-solving puzzles, particularly the Rubik’s cube and alike. Created in 2006, the speedcubing community has grown from just a few to over 45,000 people that make up the community today. Competitions and unofficial meetups are organized all over the world on a weekly basis. The forum now has well over 1,350,000 posts and growing.
I start making the algs in 2017, I have memorized about 6k with good recall, and 30k with not so good recall. I have generated 43k "good" algs at the speed of 70 algs per day.