diff --git a/hactoolnet/Program.cs b/hactoolnet/Program.cs
index 377c98b8..edd5a646 100644
--- a/hactoolnet/Program.cs
+++ b/hactoolnet/Program.cs
@@ -27,6 +27,9 @@ namespace hactoolnet
             Console.WriteLine("Listing titles");
             ListTitles(sdfs);
 
+            Console.WriteLine("Listing applications");
+            ListApplications(sdfs);
+
             //DecryptNax0(sdfs, "C0628FB07A89E9050BDA258F74868E8D");
             //DecryptTitle(sdfs, 0x010023900AEE0000);
         }
@@ -151,5 +154,38 @@ namespace hactoolnet
                 Console.WriteLine("");
             }
         }
+
+        static void ListApplications(SdFs sdfs)
+        {
+            foreach (var app in sdfs.Applications.Values.OrderBy(x => x.Name))
+            {
+                Console.WriteLine($"{app.Name} v{app.DisplayVersion}");
+
+                long totalSize = 0;
+                if (app.Main != null)
+                {
+                    Console.WriteLine($"Software: {Util.GetBytesReadable(app.Main.GetSize())}");
+                }
+
+                if (app.Patch != null)
+                {
+                    Console.WriteLine($"Update Data: {Util.GetBytesReadable(app.Patch.GetSize())}");
+                }
+
+                if (app.AddOnContent.Count > 0)
+                {
+                    Console.WriteLine($"DLC: {Util.GetBytesReadable(app.AddOnContent.Sum(x => x.GetSize()))}");
+                }
+
+                if (app.Nacp?.UserTotalSaveDataSize > 0)
+                    Console.WriteLine($"User save: {Util.GetBytesReadable(app.Nacp.UserTotalSaveDataSize)}");
+                if (app.Nacp?.DeviceTotalSaveDataSize > 0)
+                    Console.WriteLine($"System save: {Util.GetBytesReadable(app.Nacp.DeviceTotalSaveDataSize)}");
+                if (app.Nacp?.BcatSaveDataSize > 0)
+                    Console.WriteLine($"BCAT save: {Util.GetBytesReadable(app.Nacp.BcatSaveDataSize)}");
+
+                Console.WriteLine("");
+            }
+        }
     }
 }
diff --git a/libhac/Cnmt.cs b/libhac/Cnmt.cs
index bec3c181..2284985e 100644
--- a/libhac/Cnmt.cs
+++ b/libhac/Cnmt.cs
@@ -37,6 +37,7 @@ namespace libhac
                 switch (Type)
                 {
                     case TitleType.Application:
+                        ApplicationTitleId = TitleId;
                         PatchTitleId = reader.ReadUInt64();
                         MinimumSystemVersion = new TitleVersion(reader.ReadUInt32(), true);
                         break;
diff --git a/libhac/Nacp.cs b/libhac/Nacp.cs
index 3af5843a..4b676430 100644
--- a/libhac/Nacp.cs
+++ b/libhac/Nacp.cs
@@ -6,6 +6,17 @@ namespace libhac
     {
         public NacpLang[] Languages { get; } = new NacpLang[0x10];
         public string Version { get; }
+        public ulong AddOnContentBaseId { get; }
+        public ulong SaveDataOwnerId { get; }
+        public long UserAccountSaveDataSize { get; }
+        public long UserAccountSaveDataJournalSize { get; }
+        public long DeviceSaveDataSize { get; }
+        public long DeviceSaveDataJournalSize { get; }
+        public long BcatSaveDataSize { get; }
+
+        public long TotalSaveDataSize { get; }
+        public long UserTotalSaveDataSize { get; }
+        public long DeviceTotalSaveDataSize { get; }
 
         public Nacp(BinaryReader reader)
         {
@@ -18,6 +29,18 @@ namespace libhac
 
             reader.BaseStream.Position = start + 0x3060;
             Version = reader.ReadUtf8Z();
+            reader.BaseStream.Position = start + 0x3070;
+            AddOnContentBaseId = reader.ReadUInt64();
+            SaveDataOwnerId = reader.ReadUInt64();
+            UserAccountSaveDataSize = reader.ReadInt64();
+            UserAccountSaveDataJournalSize = reader.ReadInt64();
+            DeviceSaveDataSize = reader.ReadInt64();
+            DeviceSaveDataJournalSize = reader.ReadInt64();
+            BcatSaveDataSize = reader.ReadInt64();
+
+            UserTotalSaveDataSize = UserAccountSaveDataSize + UserAccountSaveDataJournalSize;
+            DeviceTotalSaveDataSize = DeviceSaveDataSize + DeviceSaveDataJournalSize;
+            TotalSaveDataSize = UserTotalSaveDataSize + DeviceTotalSaveDataSize;
         }
     }
 
diff --git a/libhac/SdFs.cs b/libhac/SdFs.cs
index b4f959bd..33aaf025 100644
--- a/libhac/SdFs.cs
+++ b/libhac/SdFs.cs
@@ -15,6 +15,7 @@ namespace libhac
 
         public Dictionary<string, Nca> Ncas { get; } = new Dictionary<string, Nca>(StringComparer.OrdinalIgnoreCase);
         public Dictionary<ulong, Title> Titles { get; } = new Dictionary<ulong, Title>();
+        public Dictionary<ulong, Application> Applications { get; } = new Dictionary<ulong, Application>();
 
         private List<Nax0> Nax0s { get; } = new List<Nax0>();
 
@@ -35,6 +36,7 @@ namespace libhac
             OpenAllNcas();
             ReadTitles();
             ReadControls();
+            CreateApplications();
         }
 
         private void OpenAllNcas()
@@ -68,7 +70,7 @@ namespace libhac
                     {
                         nca = new Nca(Keyset, stream, false);
                     }
-                    
+
                     nca.NcaId = Path.GetFileNameWithoutExtension(file);
                     var extention = nca.Header.ContentType == ContentType.Meta ? ".cnmt.nca" : ".nca";
                     nca.Filename = nca.NcaId + extention;
@@ -147,6 +149,23 @@ namespace libhac
             }
         }
 
+        private void CreateApplications()
+        {
+            foreach (var title in Titles.Values.Where(x => x.Metadata.Type >= TitleType.Application))
+            {
+                var meta = title.Metadata;
+                ulong appId = meta.ApplicationTitleId;
+
+                if (!Applications.TryGetValue(appId, out var app))
+                {
+                    app = new Application();
+                    Applications.Add(appId, app);
+                }
+
+                app.AddTitle(title);
+            }
+        }
+
         internal static Stream OpenSplitNcaStream(string path)
         {
             List<string> files = new List<string>();
@@ -218,44 +237,72 @@ namespace libhac
         public Nca MetaNca { get; internal set; }
         public Nca ProgramNca { get; internal set; }
         public Nca ControlNca { get; internal set; }
+
+        public long GetSize()
+        {
+            return Metadata.ContentEntries
+                .Where(x => x.Type < CnmtContentType.UpdatePatch)
+                .Sum(x => x.Size);
+        }
     }
 
     public class Application
     {
         public Title Main { get; private set; }
         public Title Patch { get; private set; }
-        public List<Title> AddOnContent { get; private set; }
+        public List<Title> AddOnContent { get; } = new List<Title>();
+
+        public ulong TitleId { get; private set; }
+        public TitleVersion Version { get; private set; }
+        public Nacp Nacp { get; private set; }
 
         public string Name { get; private set; }
-        public string Version { get; private set; }
+        public string DisplayVersion { get; private set; }
 
-        public void SetMainTitle(Title title)
+        public void AddTitle(Title title)
         {
-            Main = title;
+            if (TitleId != 0 && title.Metadata.ApplicationTitleId != TitleId)
+                throw new InvalidDataException("Title IDs do not match");
+            TitleId = title.Metadata.ApplicationTitleId;
+
+            switch (title.Metadata.Type)
+            {
+                case TitleType.Application:
+                    Main = title;
+                    break;
+                case TitleType.Patch:
+                    Patch = title;
+                    break;
+                case TitleType.AddOnContent:
+                    AddOnContent.Add(title);
+                    break;
+                case TitleType.DeltaTitle:
+                    break;
+            }
+
+            UpdateInfo();
         }
 
-        public void SetPatchTitle(Title title)
-        {
-            if (title.Metadata.Type != TitleType.Patch) throw new InvalidDataException("Title is not a patch");
-            Patch = title;
-        }
-
-        private void UpdateName()
+        private void UpdateInfo()
         {
             if (Patch != null)
             {
                 Name = Patch.Name;
-                Version = Patch.Control?.Version ?? "";
+                Version = Patch.Version;
+                DisplayVersion = Patch.Control?.Version ?? "";
+                Nacp = Patch.Control;
             }
             else if (Main != null)
             {
                 Name = Main.Name;
-                Version = Main.Control?.Version ?? "";
+                Version = Main.Version;
+                DisplayVersion = Main.Control?.Version ?? "";
+                Nacp = Main.Control;
             }
             else
             {
                 Name = "";
-                Version = "";
+                DisplayVersion = "";
             }
         }
     }