- Redis: caching, ranking
- MongoDB: main data store
- NodeJS
- Express
- Mongoose: MongoDB driver + ODM
- node-redis: Redis driver
- Reds: Redis-backed full text search
- Passport: Authentication (local only)
- ComponentJS: package manager
- RequireJS: programmatic script loader
- AngularJS: MVC Framework
- Bootstrap: CSS Framework
- instantclick: Link speed enhancer
- shepherd: tutorial helper
- select2: improved select boxes