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README.md

 Apache SkyWalking
 ==========
 
-<img src="https://skywalkingtest.github.io/page-resources/logo/sw-big-dark-1200.png" alt="Sky Walking logo" height="90px" align="right" />
+<img src="http://skywalking.apache.org/assets/logo.svg" alt="Sky Walking logo" height="90px" align="right" />
 
 **SkyWalking**: an APM(application performance monitor) system, especially designed for 
 microservices, cloud native and container-based (Docker, Kubernetes, Mesos) architectures.
@@ -30,7 +30,7 @@ The core features are following.
 - Alarm
 
 
-<img src="https://skywalkingtest.github.io/page-resources/6-beta-overview.png"/>
+<img src="http://skywalking.apache.org/assets/frame.jpeg"/>
 
 SkyWalking supports to collect telemetry (traces and metrics) data from multiple sources
 and multiple formats, 
@@ -64,9 +64,9 @@ Please report unacceptable behavior to dev@skywalking.apache.org .
     <td width="50%" align="center"><b>Observe on Istio</b></td>
   </tr>
   <tr>
-    <td><img src="https://skywalkingtest.github.io/page-resources/6.0.0-alpha/Topology.png"/>
+    <td><img src="http://skywalking.apache.org/screenshots/6.0.0-alpha/Topology.png"/>
 </td>
-    <td><img src="https://skywalkingtest.github.io/page-resources/6.0.0-alpha/Istio/Topology.png"/>
+    <td><img src="http://skywalking.apache.org/screenshots/6.0.0-alpha/Istio/Topology.png"/>
 </td>
    <tr>
      <td align="center"><a href="docs/Screenshots.md#agent">More screenshots</a></td>

docs/Screenshots.md

 # Agent
 
 - Overview dashboard
-<img src="https://skywalkingtest.github.io/page-resources/6.0.0-alpha/Dashboard.png"/>
+<img src="http://skywalking.apache.org/screenshots/6.0.0-alpha/Dashboard.png"/>
 
 - Discovery topological graph of application clusters automatically.
-<img src="https://skywalkingtest.github.io/page-resources/6.0.0-alpha/Topology.png"/>
+<img src="http://skywalking.apache.org/screenshots/6.0.0-alpha/Topology.png"/>
 
 - Service overview
-<img src="https://skywalkingtest.github.io/page-resources/6.0.0-alpha/service.png"/>
+<img src="http://skywalking.apache.org/screenshots/6.0.0-alpha/service.png"/>
 
 - Process(VM) metrics
-<img src="https://skywalkingtest.github.io/page-resources/6.0.0-alpha/Service_instance_info.png"/>
+<img src="http://skywalking.apache.org/screenshots/6.0.0-alpha/Service_instance_info.png"/>
 
 - Endpoint metrics
-<img src="https://skywalkingtest.github.io/page-resources/6.0.0-alpha/endpoint.png"/>
+<img src="http://skywalking.apache.org/screenshots/6.0.0-alpha/endpoint.png"/>
 
 - Trace
-<img src="https://skywalkingtest.github.io/page-resources/6.0.0-alpha/trace.png"/>
+<img src="http://skywalking.apache.org/screenshots/6.0.0-alpha/trace.png"/>
 
-<img src="https://skywalkingtest.github.io/page-resources/6.0.0-alpha/Trace-detail.png"/>
+<img src="http://skywalking.apache.org/screenshots/6.0.0-alpha/Trace-detail.png"/>
 
 - Alarm
-<img src="https://skywalkingtest.github.io/page-resources/6.0.0-alpha/service-alarm.png"/>
+<img src="http://skywalking.apache.org/screenshots/6.0.0-alpha/service-alarm.png"/>
 
 # Istio
 - Overview dashboard
-<img src="https://skywalkingtest.github.io/page-resources/6.0.0-alpha/Istio/Dashboard.png"/>
+<img src="http://skywalking.apache.org/screenshots/6.0.0-alpha/Istio/Dashboard.png"/>
 
 - Discovery topological graph of application clusters automatically.
-<img src="https://skywalkingtest.github.io/page-resources/6.0.0-alpha/Istio/Topology.png"/>
+<img src="http://skywalking.apache.org/screenshots/6.0.0-alpha/Istio/Topology.png"/>
 
 - Service overview
-<img src="https://skywalkingtest.github.io/page-resources/6.0.0-alpha/Istio/Service.png"/>
+<img src="http://skywalking.apache.org/screenshots/6.0.0-alpha/Istio/Service.png"/>
 
 - Service instance metrics
-<img src="https://skywalkingtest.github.io/page-resources/6.0.0-alpha/Istio/Service-instance-info.png"/>
+<img src="http://skywalking.apache.org/screenshots/6.0.0-alpha/Istio/Service-instance-info.png"/>
 
 - Endpoint metrics
-<img src="https://skywalkingtest.github.io/page-resources/6.0.0-alpha/Istio/endpoint.png"/>
+<img src="http://skywalking.apache.org/screenshots/6.0.0-alpha/Istio/endpoint.png"/>

docs/en/guides/Java-Plugin-Development-Guide.md

@@ -286,7 +286,5 @@ Please follow there steps:
 1. Develop and test.
 1. Send the pull request and ask for review. 
 1. Provide the automatic test cases. 
-All test cases are hosted in [SkywalkingTest/skywalking-agent-testcases repository](https://github.com/SkywalkingTest/skywalking-agent-testcases).
-About how to write a test case, follow the [How to write](https://github.com/SkywalkingTest/skywalking-agent-testcases/blob/master/docs/how-to-write-a-plugin-testcase.md) document.
 1. The plugin committers approves your plugins after automatic test cases provided and the tests passed in our CI.
 1. The plugin accepted by SkyWalking. 

docs/en/setup/README.md

@@ -7,16 +7,16 @@ Setup based on which kind of probes are you going to use. If you don't understan
 
 ## Download official releases
 - Backend, UI and Java agent are Apache official release, you could find them at [Apache SkyWalking DOWNLOAD page](http://skywalking.apache.org/downloads/).
-- Download .Net agent by following [Getting started document](https://github.com/OpenSkywalking/skywalking-netcore#getting-started).
-- Download Nodejs agent by following [English document](https://github.com/OpenSkywalking/skywalking-nodejs/blob/master/docs/README.md#documents). 
-- Download PHP agent by following [English document](https://github.com/SkywalkingContrib/skywalking-php-sdk/blob/master/docs/README.md#documents).
 
 ## Language agents in Service 
 
 - [Java agent](service-agent/java-agent/README.md). Introduce how to install java agent to your service, without change any codes.
-- [.NET Core agent](https://github.com/OpenSkywalking/skywalking-netcore). See .NET Core agent project document for more details.
-- [Node.js agent](https://github.com/OpenSkywalking/skywalking-nodejs). See Node.js server side agent project document for more details.
-- [PHP agent](https://github.com/SkywalkingContrib/skywalking-php-sdk). See PHP agent project document for more details.
+
+The following agents and SDKs are compatible with the SkyWalking's formats and protocols, but maintained by the 3rd-party.
+You could go to their project repositories to find out the releases and how to use them.
+- [SkyAPM .NET Core agent](https://github.com/SkyAPM/SkyAPM-dotnet). See .NET Core agent project document for more details.
+- [SkyAPM Node.js agent](https://github.com/SkyAPM/SkyAPM-nodejs). See Node.js server side agent project document for more details.
+- [SkyAPM PHP SDK](https://github.com/SkyAPM/SkyAPM-php-sdk). See PHP agent project document for more details.
 
 ## On Service Mesh
   - Istio

docs/en/setup/backend/backend-ui-setup.md

@@ -28,7 +28,7 @@ In Java, .NetCore, Node.js, Istio agents/probe, set the gRPC service address to
 After the quick start, you should want to deploy the backend and UI in the distributed env.
 Before that, you should know how agent/probe, backend, UI communicate with each other.
 
-<img src="https://skywalkingtest.github.io/page-resources/6.0.0/communication-net.png"/>
+<img src="http://skywalking.apache.org/doc-graph/communication-net.png"/>
 
 - All native agents and probes, either language based or mesh probe, are using gRPC service(`core/default/gRPC*` in `application.yml`) to report
 data to backend. Also, jetty service supported in JSON format. 

docs/en/setup/service-agent/java-agent/README.md

@@ -108,5 +108,5 @@ our [Plugin Development Guide](../../../guides/Java-Plugin-Development-Guide.md)
 
 # Test
 If you are interested in plugin compatible tests or agent performance, see the following reports.
-* [Plugin Test](https://github.com/SkywalkingTest/agent-integration-test-report)
-* [Java Agent Performance Test](https://skywalkingtest.github.io/Agent-Benchmarks/)
+* [Plugin Test](https://github.com/SkyAPMTest/agent-integration-test-report)
+* [Java Agent Performance Test](https://skyapmtest.github.io/Agent-Benchmarks/)