http://www.ngfans.net/topic/143/post
1st place: Angular-realworld-example-app . Version is Angular 5+, 1460 stars on github, this project is contributed by Thinkster .
Second place: Covalent . Teradata UI Platform, built on Angular-Material 2.0, 1514 stars on github. This project was contributed by Teradata Corporation.
Third place: Ngrx Platform . 2168 stars, contributed by @ngrx .
Fourth place: Angular TSLint Preset . An Angular gadget with 59 stars on github, contributed by Minko Gechev . ( The editor makes a special note: Minko is the author of the book Switching to Angular 2, the Chinese translation "Towards Angular 2", the translator is Da Mo Qiangqiu, this book is the first Chinese material about the new version of Angular, MD in order to please Da Mo Xiaobian, I also fight this old face. )
Fifth place: Material-storybook . Material Demos, 19 stars on github, contributed by Austin .
Sixth place: Ngrx-actions . Action and Reducer tools for NGRX, 185 stars on github, contributed by Austin .
Seventh place: Angular-electron . Angular 5 and Electron quick start project (Typescript + SASS + Hot Reload), 933 stars on github, contributed by Maxime Gris .
Eighth place: CoreUI . Admin template based on Bootstrap 4, (HTML5, AJAX, AngularJS, Angular2 and React), 5729 stars on github, contributed by Łukasz Holeczek .
Ninth place: Soundnode . Soundcloud desktop application (Mac, Windows, and Linux), based on NW.js, Node.js, Angular.js, Soundcloud API, 4016 stars on github, contributed by Soundnode App.
Tenth place: Angular-calendar . A calendar component based on Angular 5.0+ with 820 stars on github, contributed by Matt Lewis.
Citation Source (Wall): https://medium.mybridge.co/angular-top-10-open-source-for-the-past-month-v-feb-2018-8e2484730dbc