1. Go Engine.ioengine.io for golang, a transport-based cross-browser/cross-device bi-directional communication layer.
2. EviltransformTransport coordinate between earth(WGS-84) and mars in china(GCJ-02).
3. Go GcmGo for GCM(Google Cloud Messaging) to push message to android device.
4. IaplocalGo library that support Apple Local In-App Purchase (IAP) receipt processing.
5. Go Socket.iosocket.io library for golang, a realtime application framework.