diff --git a/dub.json b/dub.json
index 52988fd..8b90068 100755
--- a/dub.json
+++ b/dub.json
@@ -8,7 +8,8 @@
 	"license": "BSD",
 	"sourcePaths" : ["source\/"],
 	"dflags-posix-ldc": [
-		"-defaultlib=phobos2-ldc,druntime-ldc"
+		"-defaultlib=phobos2-ldc,druntime-ldc",
+		"-fvisibility=hidden"
 	],
 	"dflagss": [
 		"-betterC"
diff --git a/source/ecs/events.d b/source/ecs/events.d
index a6f6d36..ca9bade 100644
--- a/source/ecs/events.d
+++ b/source/ecs/events.d
@@ -76,7 +76,7 @@ struct EventManager
         manager = m;
     }
 
-    void sendEvent(Ev)(EntityID id, Ev event, uint thread_id = 0) nothrow @nogc
+    export void sendEvent(Ev)(EntityID id, Ev event, uint thread_id = 0) nothrow @nogc
     {
         uint block_id = current_index+thread_id;
 
diff --git a/source/ecs/manager.d b/source/ecs/manager.d
index 42799aa..784ec4f 100644
--- a/source/ecs/manager.d
+++ b/source/ecs/manager.d
@@ -23,15 +23,15 @@ import ecs.vector;
 import ecs.events;
 import ecs.traits;
 
-alias gEM = EntityManager.instance;
-alias gEntityManager = EntityManager.instance;
-alias gEventManager = EntityManager.instance;
+export alias gEM = EntityManager.instance;
+export alias gEntityManager = EntityManager.instance;
+export alias gEventManager = EntityManager.instance;
 alias SerializeVector = ecs.vector.Vector!ubyte;
 
 /************************************************************************************************************************
 *Entity manager is responsible for everything.
 */
-class EntityManager
+export class EntityManager
 {
     export static void initialize(uint threads_count)
     {
@@ -62,7 +62,7 @@ class EntityManager
     /************************************************************************************************************************
     *Begin registering process. Every register function should be called between beginRegister() and endRegister().
     */
-    void beginRegister() nothrow @nogc
+    export void beginRegister() nothrow @nogc
     {
         assert(!register_state, "beginRegister() can't be called twice before endRegister();");
         register_state = true;
@@ -80,7 +80,7 @@ class EntityManager
     /************************************************************************************************************************
     *End registering process. Every register function should be called between beginRegister() and endRegister().
     */
-    void endRegister()
+    export void endRegister()
     {
         assert(register_state, "beginRegister() should be called before endRegister();");
         register_state = false;
@@ -699,7 +699,7 @@ class EntityManager
     /************************************************************************************************************************
     *Return system ECS api by id
     */
-    System* getSystem(ushort id) nothrow @nogc
+    export System* getSystem(ushort id) nothrow @nogc
     {
         return &systems[id];
     }
@@ -712,7 +712,7 @@ class EntityManager
         return cast(Sys*) systems[Sys.system_id].m_system_pointer;
     }
 
-    ushort registerPass(const(char)[] name)
+    export ushort registerPass(const(char)[] name)
     {
         UpdatePass* pass = Mallocator.instance.make!UpdatePass;
         pass.name = Mallocator.instance.makeArray(name);
@@ -815,7 +815,7 @@ class EntityManager
     /************************************************************************************************************************
     *Same as "void update(int pass = 0)" but use pass name instead of id.
     */
-    void update(const(char)[] pass_name) nothrow @nogc
+    export void update(const(char)[] pass_name) nothrow @nogc
     {
         ushort pass = passes_map.get(pass_name, ushort.max);
         assert(pass != ushort.max);
@@ -846,14 +846,14 @@ class EntityManager
     /************************************************************************************************************************
     *Same as "void updateMT(int pass = 0)" but use pass name instead of id.
     */
-    void updateMT(const(char)[] pass_name) nothrow @nogc
+    export void updateMT(const(char)[] pass_name) nothrow @nogc
     {
         ushort pass = passes_map.get(pass_name, ushort.max);
         assert(pass != ushort.max);
         updateMT(pass);
     }
 
-    void updateMT(ushort pass = 0) nothrow @nogc
+    export void updateMT(ushort pass = 0) nothrow @nogc
     {
         assert(!register_state);
         assert(pass < passes.length);
@@ -982,7 +982,7 @@ class EntityManager
         }
     }
 
-    void setJobDispachFunc(void delegate(JobGroup) func) nothrow @nogc
+    export void setJobDispachFunc(void delegate(JobGroup) func) nothrow @nogc
     {
         m_dispatch_jobs = func;
     }
@@ -1123,7 +1123,7 @@ class EntityManager
         return info;
     }
 
-    void generateListeners(EntityInfo* info)
+    private void generateListeners(EntityInfo* info)
     {
         if (info.add_listeners)
         {
@@ -2053,7 +2053,7 @@ class EntityManager
         }
     }
 
-    void updateEvents() nothrow @nogc
+    private void updateEvents() nothrow @nogc
     {
         bool empty = true;
         while (1)
@@ -2164,8 +2164,7 @@ class EntityManager
         event_manager.sendEvent(id, event, thread_id);
     }
 
-    /*private */
-    void generateDependencies() nothrow @nogc
+    private void generateDependencies() nothrow @nogc
     {
         foreach (pass_id, pass; passes)
         {
@@ -2398,7 +2397,7 @@ class EntityManager
     struct EntitiesBlock
     {
         ///return distance (in bytes) from begin of block to data
-        uint dataDelta() nothrow @nogc
+        export uint dataDelta() nothrow @nogc
         {
             ushort dif = EntitiesBlock.sizeof;
             alignNum(dif, type_info.alignment);
@@ -2438,7 +2437,7 @@ class EntityManager
     */
     struct CallData
     {
-        void update() nothrow @nogc
+        export void update() nothrow @nogc
         {
             (cast(SytemFuncType) system.m_update)(this);
         }
@@ -2472,7 +2471,7 @@ class EntityManager
     {
         CallData[] callers;
 
-        void execute() nothrow @nogc
+        export void execute() nothrow @nogc
         {
             EntityManager.instance.getThreadID();
             foreach (ref caller; callers)
@@ -2519,15 +2518,17 @@ class EntityManager
         Vector!(EntitiesBlock*) blocks_to_update;
     }
 
-    struct UpdatePass
+    export struct UpdatePass
     {
-        ~this() nothrow @nogc
+        export ~this() nothrow @nogc
         {
             assert(name);
             if (name)
                 Mallocator.instance.dispose(name);
         }
 
+        export size_t __xtoHash();
+
         char[] name;
         Vector!(SystemCaller*) system_callers;
     }
@@ -2620,7 +2621,7 @@ class EntityManager
         }
     }
 
-    __gshared EntityManager instance = null;
+    export __gshared EntityManager instance = null;
 }
 
 /*
diff --git a/source/ecs/vector.d b/source/ecs/vector.d
index a17aaf8..47cd761 100644
--- a/source/ecs/vector.d
+++ b/source/ecs/vector.d
@@ -11,8 +11,8 @@ export @nogc @safe nothrow pure size_t nextPow2(size_t num) {
 	return 1 << bsr(num) + 1;
 }
 
-__gshared size_t gVectorsCreated = 0;
-__gshared size_t gVectorsDestroyed = 0;
+export __gshared size_t gVectorsCreated = 0;
+export __gshared size_t gVectorsDestroyed = 0;
 
 struct Vector(T) {
 	T[] array;