Ember.js addons we've been using at Tumblr

ember-tumblr-addons.md

Community Addons

liquid-fire

Comprehensive animation support for ambitious Ember applications

https://github.com/ember-animation/liquid-fire

ember-cli-flash

Simple, highly configurable flash messages for ember-cli.

https://github.com/poteto/ember-cli-flash

ember-simple-auth

Ember Simple Auth is a lightweight library for implementing authentication/authorization with Ember.js

https://github.com/simplabs/ember-simple-auth

ember-truth-helpers

HTMLBars template helpers for additional truth logic in if and unless statements.

https://github.com/jmurphyau/ember-truth-helpers

broccoli-manifest

HTML5 cache-manifest compilation for broccoli

https://github.com/racido/broccoli-manifest

ember-component-css

Component CSS scoping

https://github.com/ebryn/ember-component-css

ember-cli-sass

SASS/SCSS pre-processor using libsass and includes sourcemaps

https://github.com/aexmachina/ember-cli-sass

ember-cli-autoprefixer

Runs the styles of your Ember CLI-project through Autoprefixer.

https://github.com/kimroen/ember-cli-autoprefixer

ember-concurrency

Improved concurrency primitives for Ember.js. Get out of callback hell.

https://github.com/machty/ember-concurrency

ember-in-viewport

Detect if an Ember View or Component is in the viewport @ 60FPS

https://github.com/DockYard/ember-in-viewport

ember-freestyle

A living styleguide for your Ember app

https://github.com/chrislopresto/ember-freestyle

ember-cli-deploy

Simple, flexible deployment for your Ember CLI app

https://github.com/ember-cli-deploy/ember-cli-deploy

Custom addons

ember-data-actions

RPC style actions for ember-data

iconfont

Iconfont builder

model-pagination

JSON-API pagination

Thanks for sharing. Sitting on the shoulder of Giant, I am so in love with this line of yours. This is why I choose Ember. I am new to Frontend Frameworks, I absolutely love the Ember Community.