Drupal 8 Curated Module List

General Modules

NameMachine NameURLComposerNotes
Admin Toolbaradmin_toolbarhttps://www.drupal.org/project/admin_toolbardrupal/admin_toolbarEssential.
Focal Pointfocal_pointhttps://www.drupal.org/project/focal_pointdrupal/focal_pointEssential for mobile responsive.
Pathautopathautohttps://www.drupal.org/project/pathautodrupal/pathautoEssential+, careful configuration required.
Redirectredirecthttps://www.drupal.org/project/redirectdrupal/redirectEssential+ (Reduces broken links on active sites).
Menu Blockmenu_blockhttps://www.drupal.org/project/menu_blockdrupal/menu_blockDoesn't add much in D8, problematic uninstall.
Recaptcharecaptchahttps://www.drupal.org/project/recaptchadrupal/recaptchaOnly use as a last resort, impedes usability.
Slick Viewsslick_viewshttps://www.drupal.org/project/slick_viewsdrupal/slick_viewsRetrieves slick as dependency, preferred carousel/slider.
Image Effectsimage_effectshttps://www.drupal.org/project/image_effectsdrupal/image_effectsUseful GD functions for manipulating images for render.
Draggable Viewsdraggableviewshttps://www.drupal.org/project/draggableviewsdrupal/drupal/draggableviews:1.x-devFlaky and problematic, use dev version and patch:
    https://www.drupal.org/files/issues/2018-11-10/draggableviews_displays.03-8.x-1.2.patch
Views Bootstrapviews_bootstraphttps://www.drupal.org/project/views_bootstrapdrupal/views_bootstrapEssential.
Webformwebformhttps://www.drupal.org/project/webformdrupal/webformEssential for forms, install libraries and make sure private file system is set.
Remove HTTP headersremove_http_headershttps://www.drupal.org/project/remove_http_headersdrupal/remove_http_headersRemoved HTTP headers which may hint at CMS. Users can find out anyway, but this throws off unsophisticated users.
Security Kitseckithttps://www.drupal.org/project/seckitdrupal/seckitAllows more fine-grained header and security control.

Payments

NameMachine NameURLComposerNotes
Stripe Webformstripe_webformhttps://www.drupal.org/project/stripe_webformdrupal/stripe_webformRequires advanced configuration including undocumented token work.

Other

NameMachine NameURLComposerNotes
Entity Printentity_printhttps://www.drupal.org/project/entity_printdrupal/entity_print 
CSV Importercsv_importerhttps://www.drupal.org/project/csv_importerdrupal/csv_importer 
Views Bulk Editviews_bulk_edithttps://www.drupal.org/project/views_bulk_editdrupal/view_bulk_editExtends views_bulk_operations
Views Entity Form Fieldviews_entity_form_fieldhttps://www.drupal.org/project/views_entity_form_fielddrupal/views_entity_form_fieldProvides editable form fields usable in views, facilitates quick complex bulk edit forms.