An international operation against child sexual exploitation, supported by Europol and led by the State Criminal Police of Bavaria (Bayerisches Landeskriminalamt) and the Bavarian Central Office for the Prosecution of Cybercrime (ZCB), has resulted in the shutdown of Kidflix, one of the largest paedophile platforms in the world.
Or a Netflix for children/video editing app for primary schoolers in the early 2000s/late 1900s.