diff --git a/app/src/cc/arduino/contributions/libraries/ui/ContributedLibraryTableCell.java b/app/src/cc/arduino/contributions/libraries/ui/ContributedLibraryTableCell.java
index 2cfe711f7..5c01cc9d2 100644
--- a/app/src/cc/arduino/contributions/libraries/ui/ContributedLibraryTableCell.java
+++ b/app/src/cc/arduino/contributions/libraries/ui/ContributedLibraryTableCell.java
@@ -268,7 +268,7 @@ public class ContributedLibraryTableCell extends InstallerTableCell {
     Lists.newLinkedList(Lists.transform(uninstalledReleases, new Function<ContributedLibrary, ContributedLibrary>() {
       @Override
       public ContributedLibrary apply(ContributedLibrary input) {
-        if (installed == null || VersionComparator.VERSION_COMPARATOR.greaterThan(installed.getVersion(), input.getVersion())) {
+        if (installed == null || VersionComparator.VERSION_COMPARATOR.greaterThan(installed.getParsedVersion(), input.getParsedVersion())) {
           uninstalledPreviousReleases.add(input);
         } else {
           uninstalledNewerReleases.add(input);
@@ -357,7 +357,7 @@ public class ContributedLibraryTableCell extends InstallerTableCell {
 
     // ...version.
     if (installed != null) {
-      Version installedVer = VersionHelper.valueOf(installed.getVersion());
+      String installedVer = installed.getParsedVersion();
       if (installedVer == null) {
         desc += " " + _("Version unknown");
       } else {
diff --git a/app/src/cc/arduino/contributions/libraries/ui/LibrariesIndexTableModel.java b/app/src/cc/arduino/contributions/libraries/ui/LibrariesIndexTableModel.java
index 2ad94c7e7..47c12a897 100644
--- a/app/src/cc/arduino/contributions/libraries/ui/LibrariesIndexTableModel.java
+++ b/app/src/cc/arduino/contributions/libraries/ui/LibrariesIndexTableModel.java
@@ -54,13 +54,13 @@ public class LibrariesIndexTableModel extends FilteredAbstractTableModel<Contrib
 
     public final String name;
     public final List<ContributedLibrary> releases;
-    public final List<Version> versions;
+    public final List<String> versions;
 
     public ContributedLibrary selected;
 
     public ContributedLibraryReleases(ContributedLibrary library) {
       this.name = library.getName();
-      this.versions = new LinkedList<Version>();
+      this.versions = new LinkedList<String>();
       this.releases = new LinkedList<ContributedLibrary>();
       this.selected = null;
       add(library);
@@ -72,7 +72,7 @@ public class LibrariesIndexTableModel extends FilteredAbstractTableModel<Contrib
 
     public void add(ContributedLibrary library) {
       releases.add(library);
-      Version version = VersionHelper.valueOf(library.getVersion());
+      String version = library.getParsedVersion();
       if (version != null) {
         versions.add(version);
       }
@@ -98,15 +98,6 @@ public class LibrariesIndexTableModel extends FilteredAbstractTableModel<Contrib
       return selected;
     }
 
-    public void selectVersion(String version) {
-      for (ContributedLibrary lib : releases) {
-        if (lib.getVersion().equals(version)) {
-          selected = lib;
-          return;
-        }
-      }
-    }
-
     public void select(ContributedLibrary value) {
       for (ContributedLibrary plat : releases) {
         if (plat == value) {
@@ -222,10 +213,6 @@ public class LibrariesIndexTableModel extends FilteredAbstractTableModel<Contrib
     return col == DESCRIPTION_COL;
   }
 
-  public List<Version> getReleasesVersions(int row) {
-    return contributions.get(row).versions;
-  }
-
   public ContributedLibraryReleases getReleases(int row) {
     return contributions.get(row);
   }
diff --git a/app/src/cc/arduino/contributions/libraries/ui/LibraryInstaller.java b/app/src/cc/arduino/contributions/libraries/ui/LibraryInstaller.java
index fdb5cf790..d099f3a7a 100644
--- a/app/src/cc/arduino/contributions/libraries/ui/LibraryInstaller.java
+++ b/app/src/cc/arduino/contributions/libraries/ui/LibraryInstaller.java
@@ -100,8 +100,9 @@ public class LibraryInstaller {
   }
 
   public void install(ContributedLibrary lib, ContributedLibrary replacedLib) throws Exception {
-    if (lib.isInstalled())
+    if (lib.isInstalled()) {
       throw new Exception(_("Library is already installed!"));
+    }
 
     final MultiStepProgress progress = new MultiStepProgress(3);
 
diff --git a/app/src/cc/arduino/contributions/packages/ui/ContributedPlatformTableCell.java b/app/src/cc/arduino/contributions/packages/ui/ContributedPlatformTableCell.java
index e4690354f..8cddf1e0f 100644
--- a/app/src/cc/arduino/contributions/packages/ui/ContributedPlatformTableCell.java
+++ b/app/src/cc/arduino/contributions/packages/ui/ContributedPlatformTableCell.java
@@ -282,7 +282,7 @@ public class ContributedPlatformTableCell extends InstallerTableCell {
     Lists.newLinkedList(Lists.transform(uninstalledReleases, new Function<ContributedPlatform, ContributedPlatform>() {
       @Override
       public ContributedPlatform apply(ContributedPlatform input) {
-        if (installed == null || VersionComparator.VERSION_COMPARATOR.greaterThan(installed.getVersion(), input.getVersion())) {
+        if (installed == null || VersionComparator.VERSION_COMPARATOR.greaterThan(installed.getParsedVersion(), input.getParsedVersion())) {
           uninstalledPreviousReleases.add(input);
         } else {
           uninstalledNewerReleases.add(input);
@@ -357,7 +357,7 @@ public class ContributedPlatformTableCell extends InstallerTableCell {
       desc += " " + format("by <b>{0}</b>", author);
     }
     if (installed != null) {
-      desc += " " + format(_("version <b>{0}</b>"), VersionHelper.valueOf(installed.getVersion())) + " <strong><font color=\"#00979D\">INSTALLED</font></strong>";
+      desc += " " + format(_("version <b>{0}</b>"), installed.getParsedVersion()) + " <strong><font color=\"#00979D\">INSTALLED</font></strong>";
     }
     desc += "<br />";
 
diff --git a/app/src/cc/arduino/contributions/packages/ui/ContributionIndexTableModel.java b/app/src/cc/arduino/contributions/packages/ui/ContributionIndexTableModel.java
index 06089f6eb..bf0880e70 100644
--- a/app/src/cc/arduino/contributions/packages/ui/ContributionIndexTableModel.java
+++ b/app/src/cc/arduino/contributions/packages/ui/ContributionIndexTableModel.java
@@ -54,14 +54,14 @@ public class ContributionIndexTableModel extends FilteredAbstractTableModel<Cont
     public final ContributedPackage packager;
     public final String arch;
     public final List<ContributedPlatform> releases;
-    public final List<Version> versions;
+    public final List<String> versions;
     public ContributedPlatform selected = null;
 
     public ContributedPlatformReleases(ContributedPlatform platform) {
       this.packager = platform.getParentPackage();
       this.arch = platform.getArchitecture();
       this.releases = new LinkedList<ContributedPlatform>();
-      this.versions = new LinkedList<Version>();
+      this.versions = new LinkedList<String>();
       add(platform);
     }
 
@@ -73,7 +73,7 @@ public class ContributionIndexTableModel extends FilteredAbstractTableModel<Cont
 
     public void add(ContributedPlatform platform) {
       releases.add(platform);
-      Version version = VersionHelper.valueOf(platform.getVersion());
+      String version = platform.getParsedVersion();
       if (version != null) {
         versions.add(version);
       }
@@ -99,15 +99,6 @@ public class ContributionIndexTableModel extends FilteredAbstractTableModel<Cont
       return selected;
     }
 
-    public void selectVersion(String version) {
-      for (ContributedPlatform plat : releases) {
-        if (plat.getVersion().equals(version)) {
-          selected = plat;
-          return;
-        }
-      }
-    }
-
     public void select(ContributedPlatform value) {
       for (ContributedPlatform plat : releases) {
         if (plat == value) {
@@ -217,10 +208,6 @@ public class ContributionIndexTableModel extends FilteredAbstractTableModel<Cont
     return col == DESCRIPTION_COL;
   }
 
-  public List<Version> getReleasesVersions(int row) {
-    return contributions.get(row).versions;
-  }
-
   public ContributedPlatformReleases getReleases(int row) {
     return contributions.get(row);
   }
diff --git a/app/src/cc/arduino/contributions/ui/FilteredAbstractTableModel.java b/app/src/cc/arduino/contributions/ui/FilteredAbstractTableModel.java
index 05999ad37..7391acedc 100644
--- a/app/src/cc/arduino/contributions/ui/FilteredAbstractTableModel.java
+++ b/app/src/cc/arduino/contributions/ui/FilteredAbstractTableModel.java
@@ -47,7 +47,7 @@ public abstract class FilteredAbstractTableModel<T> extends AbstractTableModel {
     Collections.sort(contribs, new Comparator<T>() {
       @Override
       public int compare(T contrib1, T contrib2) {
-        return VersionComparator.VERSION_COMPARATOR.compare(contrib1.getVersion(), contrib2.getVersion());
+        return VersionComparator.VERSION_COMPARATOR.compare(contrib1.getParsedVersion(), contrib2.getParsedVersion());
       }
     });
 
diff --git a/arduino-core/src/cc/arduino/contributions/libraries/ContributedLibrary.java b/arduino-core/src/cc/arduino/contributions/libraries/ContributedLibrary.java
index bec9873e1..2dd604d4e 100644
--- a/arduino-core/src/cc/arduino/contributions/libraries/ContributedLibrary.java
+++ b/arduino-core/src/cc/arduino/contributions/libraries/ContributedLibrary.java
@@ -98,7 +98,7 @@ public abstract class ContributedLibrary extends DownloadableContribution {
 
   @Override
   public String toString() {
-    return I18n.format(_("Version {0}"), getVersion());
+    return I18n.format(_("Version {0}"), getParsedVersion());
   }
 
   public String info() {
@@ -106,7 +106,7 @@ public abstract class ContributedLibrary extends DownloadableContribution {
     res += "  ContributedLibrary : " + getName() + "\n";
     res += "              author : " + getAuthor() + "\n";
     res += "          maintainer : " + getMaintainer() + "\n";
-    res += "             version : " + getVersion() + "\n";
+    res += "             version : " + getParsedVersion() + "\n";
     res += "             website : " + getUrl() + "\n";
     res += "            category : " + getCategory() + "\n";
     res += "             license : " + getLicense() + "\n";
@@ -138,8 +138,8 @@ public abstract class ContributedLibrary extends DownloadableContribution {
       return false;
     }
 
-    String thisVersion = getVersion();
-    String otherVersion = ((ContributedLibrary) obj).getVersion();
+    String thisVersion = getParsedVersion();
+    String otherVersion = ((ContributedLibrary) obj).getParsedVersion();
 
     boolean versionEquals = thisVersion == null || otherVersion == null || thisVersion.equals(otherVersion);
 
diff --git a/arduino-core/src/cc/arduino/contributions/libraries/ContributedLibraryComparator.java b/arduino-core/src/cc/arduino/contributions/libraries/ContributedLibraryComparator.java
index dbc80dfc4..fb35f4b35 100644
--- a/arduino-core/src/cc/arduino/contributions/libraries/ContributedLibraryComparator.java
+++ b/arduino-core/src/cc/arduino/contributions/libraries/ContributedLibraryComparator.java
@@ -8,7 +8,7 @@ public class ContributedLibraryComparator implements Comparator<ContributedLibra
 
   @Override
   public int compare(ContributedLibrary lib1, ContributedLibrary lib2) {
-    return VersionComparator.VERSION_COMPARATOR.compare(lib1.getVersion(), lib2.getVersion());
+    return VersionComparator.VERSION_COMPARATOR.compare(lib1.getParsedVersion(), lib2.getParsedVersion());
   }
 
 
diff --git a/arduino-core/src/cc/arduino/contributions/libraries/LibrariesIndex.java b/arduino-core/src/cc/arduino/contributions/libraries/LibrariesIndex.java
index 4d097e515..12ae11fc5 100644
--- a/arduino-core/src/cc/arduino/contributions/libraries/LibrariesIndex.java
+++ b/arduino-core/src/cc/arduino/contributions/libraries/LibrariesIndex.java
@@ -49,7 +49,7 @@ public abstract class LibrariesIndex {
 
   public ContributedLibrary find(String name, String version) {
     for (ContributedLibrary lib : find(name)) {
-      if (lib.getVersion().equals(version)) {
+      if (version.equals(lib.getParsedVersion())) {
         return lib;
       }
     }
diff --git a/arduino-core/src/cc/arduino/contributions/libraries/LibrariesIndexer.java b/arduino-core/src/cc/arduino/contributions/libraries/LibrariesIndexer.java
index 4ac5a74b2..7493d0e08 100644
--- a/arduino-core/src/cc/arduino/contributions/libraries/LibrariesIndexer.java
+++ b/arduino-core/src/cc/arduino/contributions/libraries/LibrariesIndexer.java
@@ -157,7 +157,7 @@ public class LibrariesIndexer {
 
     // Check if we can find the same library in the index
     // and mark it as installed
-    ContributedLibrary foundLib = index.find(lib.getName(), lib.getVersion());
+    ContributedLibrary foundLib = index.find(lib.getName(), lib.getParsedVersion());
     if (foundLib != null) {
       foundLib.setInstalled(true);
       foundLib.setInstalledFolder(folder);
diff --git a/arduino-core/src/cc/arduino/contributions/packages/ContributedPackage.java b/arduino-core/src/cc/arduino/contributions/packages/ContributedPackage.java
index 0a7bbdd46..9427864ea 100644
--- a/arduino-core/src/cc/arduino/contributions/packages/ContributedPackage.java
+++ b/arduino-core/src/cc/arduino/contributions/packages/ContributedPackage.java
@@ -48,8 +48,7 @@ public abstract class ContributedPackage {
 
   public ContributedPlatform findPlatform(String architecture, String version) {
     for (ContributedPlatform platform : getPlatforms()) {
-      if (platform.getArchitecture().equals(architecture) &&
-          platform.getVersion().equals(version))
+      if (platform.getArchitecture().equals(architecture) && version.equals(platform.getParsedVersion()))
         return platform;
     }
     return null;
@@ -71,7 +70,7 @@ public abstract class ContributedPackage {
         found = p;
         continue;
       }
-      if (version.compare(p.getVersion(), found.getVersion()) > 0)
+      if (version.compare(p.getParsedVersion(), found.getParsedVersion()) > 0)
         found = p;
     }
     return found;
@@ -98,7 +97,7 @@ public abstract class ContributedPackage {
         }
         res += "\n                    category     : " + plat.getCategory();
         res += "\n                    architecture : " +
-            plat.getArchitecture() + " " + plat.getVersion() + "\n";
+            plat.getArchitecture() + " " + plat.getParsedVersion() + "\n";
         if (plat.getToolsDependencies() != null)
           for (ContributedToolReference t : plat.getToolsDependencies()) {
             res += "                    tool dep     : " + t.getName() + " " +
diff --git a/arduino-core/src/cc/arduino/contributions/packages/ContributedPlatform.java b/arduino-core/src/cc/arduino/contributions/packages/ContributedPlatform.java
index ce8460d70..e3e43549a 100644
--- a/arduino-core/src/cc/arduino/contributions/packages/ContributedPlatform.java
+++ b/arduino-core/src/cc/arduino/contributions/packages/ContributedPlatform.java
@@ -87,6 +87,6 @@ public abstract class ContributedPlatform extends DownloadableContribution {
 
   @Override
   public String toString() {
-    return getVersion();
+    return getParsedVersion();
   }
 }
diff --git a/arduino-core/src/cc/arduino/contributions/packages/ContributedPlatformComparator.java b/arduino-core/src/cc/arduino/contributions/packages/ContributedPlatformComparator.java
index 872439ffa..83a31bdfa 100644
--- a/arduino-core/src/cc/arduino/contributions/packages/ContributedPlatformComparator.java
+++ b/arduino-core/src/cc/arduino/contributions/packages/ContributedPlatformComparator.java
@@ -8,7 +8,7 @@ public class ContributedPlatformComparator implements Comparator<ContributedPlat
 
   @Override
   public int compare(ContributedPlatform lib1, ContributedPlatform lib2) {
-    return VersionComparator.VERSION_COMPARATOR.compare(lib1.getVersion(), lib2.getVersion());
+    return VersionComparator.VERSION_COMPARATOR.compare(lib1.getParsedVersion(), lib2.getParsedVersion());
   }
 
 
diff --git a/arduino-core/src/cc/arduino/contributions/packages/ContributionInstaller.java b/arduino-core/src/cc/arduino/contributions/packages/ContributionInstaller.java
index e13cec4ae..8de07110b 100644
--- a/arduino-core/src/cc/arduino/contributions/packages/ContributionInstaller.java
+++ b/arduino-core/src/cc/arduino/contributions/packages/ContributionInstaller.java
@@ -155,7 +155,7 @@ public class ContributionInstaller {
     progress.setStatus(_("Installing boards..."));
     onProgress(progress);
     File platformFolder = new File(packageFolder, "hardware" + File.separator + platform.getArchitecture());
-    File destFolder = new File(platformFolder, platform.getVersion());
+    File destFolder = new File(platformFolder, platform.getParsedVersion());
     destFolder.mkdirs();
     new ArchiveExtractor(BaseNoGui.getPlatform()).extract(platform.getDownloadedFile(), destFolder, 1);
     platform.setInstalled(true);
diff --git a/arduino-core/src/cc/arduino/contributions/packages/DownloadableContribution.java b/arduino-core/src/cc/arduino/contributions/packages/DownloadableContribution.java
index 79e092cd1..5152eac71 100644
--- a/arduino-core/src/cc/arduino/contributions/packages/DownloadableContribution.java
+++ b/arduino-core/src/cc/arduino/contributions/packages/DownloadableContribution.java
@@ -28,6 +28,9 @@
  */
 package cc.arduino.contributions.packages;
 
+import cc.arduino.contributions.VersionHelper;
+import com.github.zafarkhaja.semver.Version;
+
 import java.io.File;
 
 public abstract class DownloadableContribution {
@@ -90,6 +93,14 @@ public abstract class DownloadableContribution {
     this.readOnly = readOnly;
   }
 
+  public String getParsedVersion() {
+    Version version = VersionHelper.valueOf(getVersion());
+    if (version == null) {
+      return null;
+    }
+    return version.toString();
+  }
+
   @Override
   public String toString() {
     String res = "";