ng-mocks
An Angular testing library for creating mock services, components, directives, pipes and modules in unit tests. It provides shallow rendering, precise stubs to fake child dependencies. ng-mocks works with Angular 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
ngx-audio-player
A library for loading and playing audio using HTML 5 for Angular 7/8/9/10/11/12. (https://mudigal-technologies.github.io/ngx-audio-player/)