diff --git a/cli/src/main/java/org/onosproject/cli/app/ApplicationsListCommand.java b/cli/src/main/java/org/onosproject/cli/app/ApplicationsListCommand.java
index 24b2da1..806449e 100644
--- a/cli/src/main/java/org/onosproject/cli/app/ApplicationsListCommand.java
+++ b/cli/src/main/java/org/onosproject/cli/app/ApplicationsListCommand.java
@@ -62,16 +62,23 @@
     private boolean sortByName = false;
 
 
+    @Option(name = "-r", aliases = "--regapps", description = "Get Registered Apps for Runtime Version")
+    private boolean getRegisteredApps = false;
+
     @Override
     protected void doExecute() {
         ApplicationService service = get(ApplicationService.class);
-        List<Application> apps = newArrayList(service.getApplications());
+        List<Application> apps;
+        if (getRegisteredApps) {
+            apps = newArrayList(service.getRegisteredApplications());
+        } else {
+            apps = newArrayList(service.getApplications());
+        }
         if (sortByName) {
             apps.sort(Comparator.comparing(app -> app.id().name()));
         } else {
             Collections.sort(apps, Comparators.APP_COMPARATOR);
         }
-
         if (outputJson()) {
             print("%s", json(service, apps));
         } else {
diff --git a/core/api/src/main/java/org/onosproject/core/Application.java b/core/api/src/main/java/org/onosproject/core/Application.java
index b898cb6..84279dc 100644
--- a/core/api/src/main/java/org/onosproject/core/Application.java
+++ b/core/api/src/main/java/org/onosproject/core/Application.java
@@ -21,6 +21,7 @@
 import java.util.List;
 import java.util.Optional;
 import java.util.Set;
+import java.net.URL;
 
 /**
  * Abstraction of a network control/management application.
@@ -132,4 +133,11 @@
      * @return list of application names
      */
     List<String> requiredApps();
-}
+
+    /**
+     * Returns binary image URL.
+     *
+     * @return URL of binary image
+     */
+    URL imageUrl();
+}
\ No newline at end of file
diff --git a/core/api/src/main/java/org/onosproject/core/DefaultApplication.java b/core/api/src/main/java/org/onosproject/core/DefaultApplication.java
index 2df2f8f..793ab70 100644
--- a/core/api/src/main/java/org/onosproject/core/DefaultApplication.java
+++ b/core/api/src/main/java/org/onosproject/core/DefaultApplication.java
@@ -26,6 +26,7 @@
 import java.util.Optional;
 import java.util.List;
 import java.util.Objects;
+import java.net.URL;
 
 import static com.google.common.base.MoreObjects.toStringHelper;
 import static com.google.common.base.Preconditions.checkArgument;
@@ -50,7 +51,7 @@
     private final Optional<URI> featuresRepo;
     private final List<String> features;
     private final List<String> requiredApps;
-
+    private final URL imageUrl;
     /**
      * Default constructor is hidden to prevent calls to new.
      */
@@ -69,6 +70,7 @@
         featuresRepo = Optional.empty();
         features = ImmutableList.of();
         requiredApps = ImmutableList.of();
+        imageUrl = null;
     }
 
     /**
@@ -88,13 +90,14 @@
      * @param featuresRepo optional features repo URI
      * @param features     application features
      * @param requiredApps list of required application names
+     * @param imageUrl     url of oar file
      */
-    private DefaultApplication(ApplicationId appId, Version version, String title,
+    public DefaultApplication(ApplicationId appId, Version version, String title,
                               String description, String origin, String category,
                               String url, String readme, byte[] icon,
                               ApplicationRole role, Set<Permission> permissions,
                               Optional<URI> featuresRepo, List<String> features,
-                              List<String> requiredApps) {
+                              List<String> requiredApps, URL imageUrl) {
         this.appId = appId;
         this.version = version;
         this.title = title;
@@ -109,8 +112,8 @@
         this.featuresRepo = featuresRepo;
         this.features = ImmutableList.copyOf(features);
         this.requiredApps = ImmutableList.copyOf(requiredApps);
+        this.imageUrl = imageUrl;
     }
-
     @Override
     public ApplicationId id() {
         return appId;
@@ -182,6 +185,11 @@
     }
 
     @Override
+    public URL imageUrl() {
+        return imageUrl;
+    }
+
+    @Override
     public int hashCode() {
         return Objects.hash(appId, version, title, description, origin, category, url,
                             readme, role, permissions, featuresRepo, features, requiredApps);
@@ -230,6 +238,7 @@
                 .add("featuresRepo", featuresRepo)
                 .add("features", features)
                 .add("requiredApps", requiredApps)
+                .add("imageURL", imageUrl)
                 .toString();
     }
 
@@ -277,7 +286,6 @@
      * Default application builder.
      */
     public static final class Builder {
-
         private ApplicationId appId;
         private Version version;
         private String title;
@@ -285,13 +293,14 @@
         private String category;
         private String url;
         private String readme;
-        private byte[] icon;
+        private byte[] icon = new byte[0];
         private String origin;
-        private ApplicationRole role;
-        private Set<Permission> permissions;
-        private Optional<URI> featuresRepo;
-        private List<String> features;
-        private List<String> requiredApps;
+        private ApplicationRole role = ApplicationRole.ADMIN;
+        private Set<Permission> permissions = ImmutableSet.of();
+        private Optional<URI> featuresRepo = Optional.empty();
+        private List<String> features = ImmutableList.of();
+        private List<String> requiredApps = ImmutableList.of();
+        private URL imageUrl;
 
         /**
          * Default constructor for the builder.
@@ -518,6 +527,17 @@
         }
 
         /**
+         * Adds a Binary Image URL.
+         *
+         * @param imageUrl url of oar file
+         * @return builder
+         */
+        public Builder withImageUrl(URL imageUrl) {
+            this.imageUrl = imageUrl;
+            return this;
+        }
+
+        /**
          * Builds a default application object from the gathered parameters.
          *
          * @return new default application
@@ -542,7 +562,7 @@
                                           url, readme, icon,
                                           role, permissions,
                                           featuresRepo, features,
-                                          requiredApps);
+                                          requiredApps, imageUrl);
         }
     }
-}
+}
\ No newline at end of file
diff --git a/core/api/src/test/java/org/onosproject/core/DefaultApplicationTest.java b/core/api/src/test/java/org/onosproject/core/DefaultApplicationTest.java
index b523126..98dccec 100644
--- a/core/api/src/test/java/org/onosproject/core/DefaultApplicationTest.java
+++ b/core/api/src/test/java/org/onosproject/core/DefaultApplicationTest.java
@@ -49,20 +49,20 @@
 
     public static final ApplicationId APP_ID = new DefaultApplicationId(2, APP_NAME);
     private Builder baseBuilder = DefaultApplication.builder()
-                .withAppId(APP_ID)
-                .withVersion(VER)
-                .withTitle(TITLE)
-                .withDescription(DESC)
-                .withOrigin(ORIGIN)
-                .withCategory(CATEGORY)
-                .withUrl(URL)
-                .withReadme(README)
-                .withIcon(ICON)
-                .withRole(ROLE)
-                .withPermissions(PERMS)
-                .withFeaturesRepo(Optional.of(FURL))
-                .withFeatures(FEATURES)
-                .withRequiredApps(APPS);
+            .withAppId(APP_ID)
+            .withVersion(VER)
+            .withTitle(TITLE)
+            .withDescription(DESC)
+            .withOrigin(ORIGIN)
+            .withCategory(CATEGORY)
+            .withUrl(URL)
+            .withReadme(README)
+            .withIcon(ICON)
+            .withRole(ROLE)
+            .withPermissions(PERMS)
+            .withFeaturesRepo(Optional.of(FURL))
+            .withFeatures(FEATURES)
+            .withRequiredApps(APPS);
 
     @Test
     public void basics() {
@@ -77,8 +77,8 @@
         assertEquals("incorrect URL", URL, app.url());
         assertEquals("incorrect readme", README, app.readme());
         assertArrayEquals("incorrect icon", ICON, app.icon());
-        assertEquals("incorrect role", ROLE, app.role());
         assertEquals("incorrect permissions", PERMS, app.permissions());
+        assertEquals("incorrect role", ROLE, app.role());
         assertEquals("incorrect features repo", FURL, app.featuresRepo().get());
         assertEquals("incorrect features", FEATURES, app.features());
         assertEquals("incorrect apps", APPS, app.requiredApps());
@@ -88,7 +88,7 @@
     @Test
     public void testEquality() {
         Application a1 = baseBuilder.build();
-        Application a2 = DefaultApplication.builder(a1)
+         Application a2 = DefaultApplication.builder(a1)
                 .build();
         Application a3 = DefaultApplication.builder(baseBuilder)
                 .withFeaturesRepo(Optional.empty())
@@ -227,4 +227,4 @@
         assertNotNull("null icon", icon);
         assertEquals("unexpected size", 0, icon.length);
     }
-}
+}
\ No newline at end of file
diff --git a/core/net/src/main/java/org/onosproject/app/impl/ApplicationManager.java b/core/net/src/main/java/org/onosproject/app/impl/ApplicationManager.java
index 2bb9c11..7ea40d4 100644
--- a/core/net/src/main/java/org/onosproject/app/impl/ApplicationManager.java
+++ b/core/net/src/main/java/org/onosproject/app/impl/ApplicationManager.java
@@ -15,9 +15,15 @@
  */
 package org.onosproject.app.impl;
 
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
 import com.google.common.cache.Cache;
 import com.google.common.cache.CacheBuilder;
 import com.google.common.collect.HashMultimap;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Multimap;
 import com.google.common.util.concurrent.Uninterruptibles;
 import org.apache.karaf.features.Feature;
@@ -31,6 +37,10 @@
 import org.onosproject.app.ApplicationStoreDelegate;
 import org.onosproject.core.Application;
 import org.onosproject.core.ApplicationId;
+import org.onosproject.core.DefaultApplication;
+import org.onosproject.core.DefaultApplicationId;
+import org.onosproject.core.Version;
+import org.onosproject.core.VersionService;
 import org.onosproject.event.AbstractListenerManager;
 import org.onosproject.security.Permission;
 import org.onosproject.security.SecurityUtil;
@@ -41,17 +51,19 @@
 import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.slf4j.Logger;
 
+import java.io.IOException;
 import java.io.InputStream;
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.Iterator;
 import java.util.Set;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 import java.util.function.Consumer;
 
 import static com.google.common.base.Preconditions.checkNotNull;
-import static org.onosproject.app.ApplicationEvent.Type.APP_ACTIVATED;
-import static org.onosproject.app.ApplicationEvent.Type.APP_DEACTIVATED;
-import static org.onosproject.app.ApplicationEvent.Type.APP_INSTALLED;
-import static org.onosproject.app.ApplicationEvent.Type.APP_UNINSTALLED;
+import static org.onosproject.app.ApplicationEvent.Type.*;
 import static org.onosproject.security.AppGuard.checkPermission;
 import static org.onosproject.security.AppPermission.Type.APP_READ;
 import static org.slf4j.LoggerFactory.getLogger;
@@ -66,9 +78,10 @@
 
     private final Logger log = getLogger(getClass());
 
+    private static final String APP_REGISTRY_URL = "http://api.onosproject.org:8080/api/applications";
+
     private static final String APP_ID_NULL = "Application ID cannot be null";
     private static final long DEFAULT_OPERATION_TIMEOUT_MILLIS = 2000;
-
     private final ApplicationStoreDelegate delegate = new InternalStoreDelegate();
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY)
@@ -77,12 +90,15 @@
     @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected FeaturesService featuresService;
 
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
+    protected VersionService versionService;
+
     // Application supplied hooks for pre-activation processing.
     private final Multimap<String, Runnable> deactivateHooks = HashMultimap.create();
     private final Cache<ApplicationId, CountDownLatch> pendingOperations =
             CacheBuilder.newBuilder()
-                        .expireAfterWrite(DEFAULT_OPERATION_TIMEOUT_MILLIS * 2, TimeUnit.MILLISECONDS)
-                        .build();
+                    .expireAfterWrite(DEFAULT_OPERATION_TIMEOUT_MILLIS * 2, TimeUnit.MILLISECONDS)
+                    .build();
 
     @Activate
     public void activate() {
@@ -303,7 +319,8 @@
     }
 
     // Invokes the specified function, if not null.
-    @java.lang.SuppressWarnings("squid:S1217") // We really do mean to call run()
+    @java.lang.SuppressWarnings("squid:S1217")
+    // We really do mean to call run()
     private void invokeHook(Runnable hook, ApplicationId appId) {
         if (hook != null) {
             try {
@@ -315,4 +332,68 @@
         }
     }
 
-}
+    @Override
+    public Set<Application> getRegisteredApplications() {
+        ImmutableSet.Builder<Application> builder = ImmutableSet.builder();
+        ObjectMapper mapper = new ObjectMapper();
+
+        // Get input stream from the URL
+        try {
+            URL githubUrl = new URL(APP_REGISTRY_URL + "?onosVersion=" + versionService.version().toString());
+            HttpURLConnection githubHttp = (HttpURLConnection) githubUrl.openConnection();
+            InputStream githubStream = githubHttp.getInputStream();
+
+            // Read input stream into an ArrayNode
+            ArrayNode rootTree = (ArrayNode) mapper.readTree(githubStream);
+
+            // Iterate over the array node for each object add each version as application object to the set
+            rootTree.forEach(n -> {
+                mapObject(builder, (ObjectNode) n);
+            });
+
+            //Iterate through Builder to remove unnecessary apps
+            Set<Application> apps = builder.build();
+
+            return apps;
+        } catch (MalformedURLException e) {
+            throw new IllegalStateException("Bad URL " + APP_REGISTRY_URL, e);
+        } catch (IOException e) {
+            throw new IllegalStateException("Unable to fetch URL " + APP_REGISTRY_URL, e);
+        }
+    }
+
+    private void mapObject(ImmutableSet.Builder<Application> apps, ObjectNode node) {
+        String appIDs = node.get("id").asText();
+        ApplicationId appID = new DefaultApplicationId(1, appIDs);
+        String title = node.get("title").asText();
+        String readme = node.get("readme").asText();
+        String category = node.get("category").asText();
+        String url = node.get("url").asText();
+        String origin = node.get("maintainer").asText();
+        JsonNode it = node.get("versions");
+        Iterator iterate = it.iterator();
+        while (iterate.hasNext()) {
+            DefaultApplication.Builder app = new DefaultApplication.Builder();
+            JsonNode jsonNode = (JsonNode) iterate.next();
+            URL imageUrl = null;
+            try {
+                imageUrl = new URL(jsonNode.get("oarURL").asText());
+            } catch (MalformedURLException e) {
+                e.printStackTrace();
+            }
+            Version version1 = Version.version(jsonNode.get("onosVersion").asText());
+            app.withImageUrl(imageUrl)
+                    .withAppId(new DefaultApplicationId(1, node.get("id").asText()))
+                    .withVersion(version1)
+                    .withAppId(appID)
+                    .withReadme(readme)
+                    .withDescription(readme)
+                    .withTitle(title)
+                    .withFeatures(ImmutableList.of("none"))
+                    .withCategory(category)
+                    .withUrl(url)
+                    .withOrigin(origin);
+            apps.add(app.build());
+        }
+    }
+}
\ No newline at end of file
diff --git a/core/net/src/test/java/org/onosproject/app/impl/ApplicationManagerTest.java b/core/net/src/test/java/org/onosproject/app/impl/ApplicationManagerTest.java
index 5528f26..203abb7 100644
--- a/core/net/src/test/java/org/onosproject/app/impl/ApplicationManagerTest.java
+++ b/core/net/src/test/java/org/onosproject/app/impl/ApplicationManagerTest.java
@@ -29,6 +29,8 @@
 import org.onosproject.core.ApplicationId;
 import org.onosproject.core.DefaultApplication;
 import org.onosproject.core.DefaultApplicationId;
+import org.onosproject.core.Version;
+import org.onosproject.core.VersionServiceAdapter;
 
 import java.io.InputStream;
 import java.net.URI;
@@ -49,10 +51,13 @@
 public class ApplicationManagerTest {
 
     public static final DefaultApplicationId APP_ID = new DefaultApplicationId(1, APP_NAME);
+    private static final Version CORE_VERSION = Version.version(2, 1, "0", "");
 
     private ApplicationManager mgr = new ApplicationManager();
     private ApplicationListener listener = new TestListener();
 
+
+
     private boolean deactivated = false;
 
     @Before
@@ -81,6 +86,22 @@
     }
 
     @Test
+    public void testGetRegisteredApps() {
+        mgr.versionService = new TestVersionService();
+        Set<Application> apps = mgr.getRegisteredApplications();
+        System.out.println(apps);
+        assertFalse("SET contains less Apps than it should", apps.size() < 158);
+    }
+
+    private static class TestVersionService extends VersionServiceAdapter {
+
+        @Override
+        public Version version() {
+            return CORE_VERSION;
+        }
+    }
+
+    @Test
     public void install() {
         InputStream stream = ApplicationArchive.class.getResourceAsStream("app.zip");
         Application app = mgr.install(stream);
@@ -223,4 +244,4 @@
         }
     }
 
-}
+}
\ No newline at end of file
diff --git a/core/store/serializers/src/main/java/org/onosproject/store/serializers/KryoNamespaces.java b/core/store/serializers/src/main/java/org/onosproject/store/serializers/KryoNamespaces.java
index 75187af..2a07a61 100644
--- a/core/store/serializers/src/main/java/org/onosproject/store/serializers/KryoNamespaces.java
+++ b/core/store/serializers/src/main/java/org/onosproject/store/serializers/KryoNamespaces.java
@@ -294,6 +294,7 @@
 
 import java.lang.invoke.SerializedLambda;
 import java.net.URI;
+import java.net.URL;
 import java.time.Duration;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -433,6 +434,7 @@
             .register(MISC)
             .nextId(KryoNamespace.INITIAL_ID + BASIC_MAX_SIZE + MISC_MAX_SIZE)
             .register(
+                    URL.class,
                     Instructions.MeterInstruction.class,
                     Instructions.StatTriggerInstruction.class,
                     StatTriggerFlag.class,