diff --git a/plugins/lunchmealplugin/lunchmealplugin.cpp b/plugins/lunchmealplugin/lunchmealplugin.cpp
index 0379d21..a7414d8 100644
--- a/plugins/lunchmealplugin/lunchmealplugin.cpp
+++ b/plugins/lunchmealplugin/lunchmealplugin.cpp
@@ -10,6 +10,7 @@
 #include "stripswidget.h"
 
 #include "lunchmealwidget.h"
+#include "lunchmealsettingswidget.h"
 
 LunchMealPlugin::LunchMealPlugin(QObject *parent) :
     ZeiterfassungPlugin(parent)
@@ -36,3 +37,8 @@ void LunchMealPlugin::attachTo(MainWindow &mainWindow)
     for(auto stripsWidget : mainWindow.stripsWidgets())
         stripsWidget->headerLayout()->addWidget(new LunchMealWidget(*stripsWidget));
 }
+
+SettingsWidget *LunchMealPlugin::settingsWidget(ZeiterfassungSettings &settings, QWidget *parent) const
+{
+    return new LunchMealSettingsWidget(settings, parent);
+}
diff --git a/plugins/lunchmealplugin/lunchmealplugin.h b/plugins/lunchmealplugin/lunchmealplugin.h
index 8b14f85..d74a61a 100644
--- a/plugins/lunchmealplugin/lunchmealplugin.h
+++ b/plugins/lunchmealplugin/lunchmealplugin.h
@@ -19,6 +19,8 @@ public:
     // ZeiterfassungPlugin interface
     void attachTo(MainWindow &mainWindow) Q_DECL_OVERRIDE;
 
+    virtual SettingsWidget *settingsWidget(ZeiterfassungSettings &settings, QWidget *parent = Q_NULLPTR) const Q_DECL_OVERRIDE;
+
 private:
     QTranslator m_translator;
 };
diff --git a/plugins/lunchmealplugin/lunchmealplugin.pro b/plugins/lunchmealplugin/lunchmealplugin.pro
index daf797d..f2d730d 100644
--- a/plugins/lunchmealplugin/lunchmealplugin.pro
+++ b/plugins/lunchmealplugin/lunchmealplugin.pro
@@ -17,10 +17,14 @@ DEPENDPATH += $$PWD/$${PROJECT_ROOT}/zeiterfassungcorelib $$PWD/$${PROJECT_ROOT}
 DEFINES += QT_DEPRECATED_WARNINGS QT_DISABLE_DEPRECATED_BEFORE=0x060000 QT_MESSAGELOGCONTEXT
 
 HEADERS += lunchmealdialog.h \
+           lunchmealsettings.h \
+           lunchmealsettingswidget.h \
            lunchmealplugin.h \
            lunchmealwidget.h
 
 SOURCES += lunchmealdialog.cpp \
+           lunchmealsettings.cpp \
+           lunchmealsettingswidget.cpp \
            lunchmealplugin.cpp \
            lunchmealwidget.cpp
 
diff --git a/plugins/lunchmealplugin/lunchmealsettings.cpp b/plugins/lunchmealplugin/lunchmealsettings.cpp
new file mode 100644
index 0000000..f210fb6
--- /dev/null
+++ b/plugins/lunchmealplugin/lunchmealsettings.cpp
@@ -0,0 +1,31 @@
+#include "lunchmealsettings.h"
+
+#include "zeiterfassungsettings.h"
+
+LunchMealSettings::LunchMealSettings(ZeiterfassungSettings &settings) :
+    m_settings(settings)
+{
+
+}
+
+QUrl LunchMealSettings::url() const
+{
+    return m_settings.value(QStringLiteral("LunchMealPlugin/url"),
+                            QUrl(QStringLiteral("https://brunner.ninja/lunch/%0.txt")))
+            .toUrl();
+}
+
+void LunchMealSettings::setUrl(const QUrl &url)
+{
+    m_settings.setValue(QStringLiteral("LunchMealPlugin/url"), url);
+}
+
+QString LunchMealSettings::dateFormat() const
+{
+    return m_settings.value(QStringLiteral("LunchMealPlugin/dateFormat"), QStringLiteral("yyyy-MM-dd")).toString();
+}
+
+void LunchMealSettings::setDateFormat(const QString &dateFormat)
+{
+    m_settings.setValue(QStringLiteral("LunchMealPlugin/dateFormat"), dateFormat);
+}
diff --git a/plugins/lunchmealplugin/lunchmealsettings.h b/plugins/lunchmealplugin/lunchmealsettings.h
new file mode 100644
index 0000000..63d4c83
--- /dev/null
+++ b/plugins/lunchmealplugin/lunchmealsettings.h
@@ -0,0 +1,23 @@
+#ifndef LUNCHMEALSETTINGS_H
+#define LUNCHMEALSETTINGS_H
+
+#include <QUrl>
+
+class ZeiterfassungSettings;
+
+class LunchMealSettings
+{
+public:
+    LunchMealSettings(ZeiterfassungSettings &settings);
+
+    QUrl url() const;
+    void setUrl(const QUrl &url);
+
+    QString dateFormat() const;
+    void setDateFormat(const QString &dateFormat);
+
+private:
+    ZeiterfassungSettings &m_settings;
+};
+
+#endif // LUNCHMEALSETTINGS_H
diff --git a/plugins/lunchmealplugin/lunchmealsettingswidget.cpp b/plugins/lunchmealplugin/lunchmealsettingswidget.cpp
new file mode 100644
index 0000000..0fff7b3
--- /dev/null
+++ b/plugins/lunchmealplugin/lunchmealsettingswidget.cpp
@@ -0,0 +1,39 @@
+#include "lunchmealsettingswidget.h"
+
+#include <QFormLayout>
+#include <QLineEdit>
+
+LunchMealSettingsWidget::LunchMealSettingsWidget(ZeiterfassungSettings &settings, QWidget *parent) :
+    SettingsWidget(parent),
+    m_settings(settings)
+{
+    auto layout = new QFormLayout(this);
+    layout->setMargin(0);
+
+    m_lineEditUrl = new QLineEdit(m_settings.url().toString(), this);
+    layout->addRow(tr("Lunch meal API:"), m_lineEditUrl);
+
+    m_lineEditDateFormat = new QLineEdit(m_settings.dateFormat(), this);
+    layout->addRow(tr("Lunch meal date format:"), m_lineEditDateFormat);
+
+    setLayout(layout);
+}
+
+bool LunchMealSettingsWidget::isValid(QString &message) const
+{
+    auto valid = QUrl::fromUserInput(m_lineEditUrl->text()).isValid();
+
+    if(!valid)
+        message = tr("The lunch meal api url is invalid!");
+
+    return valid;
+}
+
+void LunchMealSettingsWidget::apply()
+{
+    auto url = QUrl::fromUserInput(m_lineEditUrl->text());
+    if(m_settings.url() != url)
+        m_settings.setUrl(url);
+
+    m_settings.setDateFormat(m_lineEditDateFormat->text());
+}
diff --git a/plugins/lunchmealplugin/lunchmealsettingswidget.h b/plugins/lunchmealplugin/lunchmealsettingswidget.h
new file mode 100644
index 0000000..90f7ff0
--- /dev/null
+++ b/plugins/lunchmealplugin/lunchmealsettingswidget.h
@@ -0,0 +1,29 @@
+#ifndef LUNCHMEALSETTINGSWIDGET_H
+#define LUNCHMEALSETTINGSWIDGET_H
+
+#include "settingswidget.h"
+
+#include "lunchmealsettings.h"
+
+class QLineEdit;
+
+class LunchMealSettingsWidget : public SettingsWidget
+{
+    Q_OBJECT
+
+public:
+    explicit LunchMealSettingsWidget(ZeiterfassungSettings &settings, QWidget *parent = Q_NULLPTR);
+
+    virtual bool isValid(QString &message) const Q_DECL_OVERRIDE;
+
+public Q_SLOTS:
+    virtual void apply() Q_DECL_OVERRIDE;
+
+private:
+    LunchMealSettings m_settings;
+
+    QLineEdit *m_lineEditUrl;
+    QLineEdit *m_lineEditDateFormat;
+};
+
+#endif // LUNCHMEALSETTINGSWIDGET_H
diff --git a/plugins/lunchmealplugin/lunchmealwidget.cpp b/plugins/lunchmealplugin/lunchmealwidget.cpp
index 47d6649..6083b3c 100644
--- a/plugins/lunchmealplugin/lunchmealwidget.cpp
+++ b/plugins/lunchmealplugin/lunchmealwidget.cpp
@@ -9,10 +9,10 @@
 
 #include "stripswidget.h"
 #include "mainwindow.h"
-#include "zeiterfassungsettings.h"
 #include "zeiterfassungapi.h"
 
 #include "lunchmealdialog.h"
+#include "lunchmealsettings.h"
 
 LunchMealWidget::LunchMealWidget(StripsWidget &stripsWidget) :
     QToolButton(&stripsWidget),
@@ -38,11 +38,9 @@ void LunchMealWidget::dateChanged(const QDate &date)
     setEnabled(false);
     setVisible(false);
 
-    const auto &settings = m_stripsWidget.mainWindow().settings();
+    LunchMealSettings settings(m_stripsWidget.mainWindow().settings());
 
-    auto url = settings.value(QStringLiteral("LunchMealPlugin/url"),
-                              QStringLiteral("https://brunner.ninja/lunch/%0.txt")).toString()
-            .arg(date.toString(settings.value(QStringLiteral("LunchMealPlugin/dateFormat"), QStringLiteral("yyyy-MM-dd")).toString()));
+    auto url = settings.url().toString().arg(date.toString(settings.dateFormat()));
     m_reply = std::unique_ptr<QNetworkReply>(m_stripsWidget.mainWindow().erfassung().manager()->get(QNetworkRequest(QUrl(url))));
     connect(m_reply.get(), &QNetworkReply::finished, this, &LunchMealWidget::finished);
 }
diff --git a/plugins/weatherplugin/weatherplugin.cpp b/plugins/weatherplugin/weatherplugin.cpp
index b308b11..a09feee 100644
--- a/plugins/weatherplugin/weatherplugin.cpp
+++ b/plugins/weatherplugin/weatherplugin.cpp
@@ -9,6 +9,7 @@
 #include "mainwindow.h"
 
 #include "weatherwidget.h"
+#include "weathersettingswidget.h"
 
 WeatherPlugin::WeatherPlugin(QObject *parent) :
     ZeiterfassungPlugin(parent)
@@ -34,3 +35,8 @@ void WeatherPlugin::attachTo(MainWindow &mainWindow)
 {
     mainWindow.statusBar()->addWidget(new WeatherWidget(mainWindow));
 }
+
+SettingsWidget *WeatherPlugin::settingsWidget(ZeiterfassungSettings &settings, QWidget *parent) const
+{
+    return new WeatherSettingsWidget(settings, parent);
+}
diff --git a/plugins/weatherplugin/weatherplugin.h b/plugins/weatherplugin/weatherplugin.h
index 07f4f68..f4fd64c 100644
--- a/plugins/weatherplugin/weatherplugin.h
+++ b/plugins/weatherplugin/weatherplugin.h
@@ -5,6 +5,9 @@
 
 #include "zeiterfassungplugin.h"
 
+class SettingsWidget;
+class ZeiterfassungSettings;
+
 class Q_DECL_EXPORT WeatherPlugin : public ZeiterfassungPlugin
 {
     Q_OBJECT
@@ -17,6 +20,8 @@ public:
     // ZeiterfassungPlugin interface
     void attachTo(MainWindow &mainWindow) Q_DECL_OVERRIDE;
 
+    SettingsWidget *settingsWidget(ZeiterfassungSettings &settings, QWidget *parent = Q_NULLPTR) const Q_DECL_OVERRIDE;
+
 private:
     QTranslator m_translator;
 };
diff --git a/plugins/weatherplugin/weatherplugin.pro b/plugins/weatherplugin/weatherplugin.pro
index 02016bc..ebed643 100644
--- a/plugins/weatherplugin/weatherplugin.pro
+++ b/plugins/weatherplugin/weatherplugin.pro
@@ -17,9 +17,13 @@ DEPENDPATH += $$PWD/$${PROJECT_ROOT}/zeiterfassungcorelib $$PWD/$${PROJECT_ROOT}
 DEFINES += QT_DEPRECATED_WARNINGS QT_DISABLE_DEPRECATED_BEFORE=0x060000 QT_MESSAGELOGCONTEXT
 
 HEADERS += weatherplugin.h \
+           weathersettings.h \
+           weathersettingswidget.h \
            weatherwidget.h
 
 SOURCES += weatherplugin.cpp \
+           weathersettings.cpp \
+           weathersettingswidget.cpp \
            weatherwidget.cpp
 
 FORMS +=
diff --git a/plugins/weatherplugin/weathersettings.cpp b/plugins/weatherplugin/weathersettings.cpp
new file mode 100644
index 0000000..52f4062
--- /dev/null
+++ b/plugins/weatherplugin/weathersettings.cpp
@@ -0,0 +1,21 @@
+#include "weathersettings.h"
+
+#include "zeiterfassungsettings.h"
+
+WeatherSettings::WeatherSettings(ZeiterfassungSettings &settings) :
+    m_settings(settings)
+{
+
+}
+
+QUrl WeatherSettings::url() const
+{
+    return m_settings.value(QStringLiteral("WeatherPlugin/url"),
+                            QUrl(QStringLiteral("http://api.openweathermap.org/data/2.5/weather?q=Graz,AT&units=metric&APPID=40f6c892c6162680c6c9235169dc9f83")))
+            .toUrl();
+}
+
+void WeatherSettings::setUrl(const QUrl &url)
+{
+    m_settings.setValue(QStringLiteral("WeatherPlugin/url"), url);
+}
diff --git a/plugins/weatherplugin/weathersettings.h b/plugins/weatherplugin/weathersettings.h
new file mode 100644
index 0000000..eaa0ff4
--- /dev/null
+++ b/plugins/weatherplugin/weathersettings.h
@@ -0,0 +1,20 @@
+#ifndef WEATHERSETTINGS_H
+#define WEATHERSETTINGS_H
+
+#include <QUrl>
+
+class ZeiterfassungSettings;
+
+class WeatherSettings
+{
+public:
+    WeatherSettings(ZeiterfassungSettings &settings);
+
+    QUrl url() const;
+    void setUrl(const QUrl &url);
+
+private:
+    ZeiterfassungSettings &m_settings;
+};
+
+#endif // WEATHERSETTINGS_H
diff --git a/plugins/weatherplugin/weathersettingswidget.cpp b/plugins/weatherplugin/weathersettingswidget.cpp
new file mode 100644
index 0000000..5be082a
--- /dev/null
+++ b/plugins/weatherplugin/weathersettingswidget.cpp
@@ -0,0 +1,34 @@
+#include "weathersettingswidget.h"
+
+#include <QFormLayout>
+#include <QLineEdit>
+
+WeatherSettingsWidget::WeatherSettingsWidget(ZeiterfassungSettings &settings, QWidget *parent) :
+    SettingsWidget(parent),
+    m_settings(settings)
+{
+    auto layout = new QFormLayout(this);
+    layout->setMargin(0);
+
+    m_lineEdit = new QLineEdit(m_settings.url().toString(), this);
+    layout->addRow(tr("Weather API:"), m_lineEdit);
+
+    setLayout(layout);
+}
+
+bool WeatherSettingsWidget::isValid(QString &message) const
+{
+    auto valid = QUrl::fromUserInput(m_lineEdit->text()).isValid();
+
+    if(!valid)
+        message = tr("The weather api url is invalid!");
+
+    return valid;
+}
+
+void WeatherSettingsWidget::apply()
+{
+    auto url = QUrl::fromUserInput(m_lineEdit->text());
+    if(m_settings.url() != url)
+        m_settings.setUrl(url);
+}
diff --git a/plugins/weatherplugin/weathersettingswidget.h b/plugins/weatherplugin/weathersettingswidget.h
new file mode 100644
index 0000000..d962a33
--- /dev/null
+++ b/plugins/weatherplugin/weathersettingswidget.h
@@ -0,0 +1,31 @@
+#ifndef WEATHERSETTINGSWIDGET_H
+#define WEATHERSETTINGSWIDGET_H
+
+#include <QWidget>
+
+#include "settingswidget.h"
+
+#include "weathersettings.h"
+
+class QLineEdit;
+
+class ZeiterfassungSettings;
+
+class WeatherSettingsWidget : public SettingsWidget
+{
+    Q_OBJECT
+public:
+    explicit WeatherSettingsWidget(ZeiterfassungSettings &settings, QWidget *parent = Q_NULLPTR);
+
+    bool isValid(QString &message) const Q_DECL_OVERRIDE;
+
+public Q_SLOTS:
+    void apply() Q_DECL_OVERRIDE;
+
+private:
+    WeatherSettings m_settings;
+
+    QLineEdit *m_lineEdit;
+};
+
+#endif // WEATHERSETTINGSWIDGET_H
diff --git a/plugins/weatherplugin/weatherwidget.cpp b/plugins/weatherplugin/weatherwidget.cpp
index 764bf99..9d62b09 100644
--- a/plugins/weatherplugin/weatherwidget.cpp
+++ b/plugins/weatherplugin/weatherwidget.cpp
@@ -14,6 +14,8 @@
 #include "zeiterfassungsettings.h"
 #include "zeiterfassungapi.h"
 
+#include "weathersettings.h"
+
 WeatherWidget::WeatherWidget(MainWindow &mainWindow) :
     QLabel(&mainWindow),
     m_mainWindow(mainWindow)
@@ -30,10 +32,9 @@ void WeatherWidget::refresh()
 {
     setText(tr("Loading..."));
 
-    auto url = m_mainWindow.settings().value(QStringLiteral("WeatherPlugin/url"),
-    QStringLiteral("http://api.openweathermap.org/data/2.5/weather?q=Graz,AT&units=metric&APPID=40f6c892c6162680c6c9235169dc9f83")).toString();
+    auto url = WeatherSettings(m_mainWindow.settings()).url();
 
-    m_reply = std::unique_ptr<QNetworkReply>(m_mainWindow.erfassung().manager()->get(QNetworkRequest(QUrl(url))));
+    m_reply = std::unique_ptr<QNetworkReply>(m_mainWindow.erfassung().manager()->get(QNetworkRequest(url)));
     connect(m_reply.get(), &QNetworkReply::finished, this, &WeatherWidget::finished);
 }
 
diff --git a/zeiterfassung/main.cpp b/zeiterfassung/main.cpp
index dc8fc86..48676f2 100755
--- a/zeiterfassung/main.cpp
+++ b/zeiterfassung/main.cpp
@@ -34,7 +34,7 @@ struct {
     QTranslator zeiterfassungguilibTranslator;
 } translators;
 
-QVector<std::shared_ptr<QPluginLoader> > pluginLoaders;
+QSet<ZeiterfassungPlugin*> plugins;
 
 bool loadAndInstallTranslator(QTranslator &translator, const QString &filename)
 {
@@ -280,17 +280,23 @@ bool loadPlugins(QSplashScreen &splashScreen)
             continue; // to skip windows junk files
         }
 
-        auto pluginLoader = std::make_shared<QPluginLoader>(fileInfo.filePath());
-        if(!pluginLoader->load())
+        QPluginLoader pluginLoader(fileInfo.filePath());
+        if(!pluginLoader.load())
         {
             QMessageBox::warning(&splashScreen, QCoreApplication::translate("main", "Could not load plugin %0!"),
                                  QCoreApplication::translate("main", "Could not load plugin %0!").arg(fileInfo.fileName()) %
-                                 "\n\n" % pluginLoader->errorString());
+                                 "\n\n" % pluginLoader.errorString());
             ok = false;
             continue;
         }
 
-        pluginLoaders.append(pluginLoader);
+        if(auto plugin = qobject_cast<ZeiterfassungPlugin*>(pluginLoader.instance()))
+            plugins.insert(plugin);
+        else
+            QMessageBox::warning(&splashScreen, QCoreApplication::translate("main", "Plugin not valid %0!"),
+                                 QCoreApplication::translate("main", "Plugin not valid %0!").arg(pluginLoader.fileName()) %
+                                 "\n\n" % pluginLoader.errorString());
+
     }
 
     return ok;
@@ -350,16 +356,11 @@ int main(int argc, char *argv[])
 
     loadPlugins(splashScreen);
 
-    MainWindow mainWindow(settings, erfassung, userInfo, stripFactory);
+    MainWindow mainWindow(settings, erfassung, userInfo, stripFactory, plugins);
     splashScreen.finish(&mainWindow);
 
-    for(auto &pluginLoader : pluginLoaders)
-        if(auto plugin = qobject_cast<ZeiterfassungPlugin*>(pluginLoader->instance()))
-            plugin->attachTo(mainWindow);
-        else
-            QMessageBox::warning(&splashScreen, QCoreApplication::translate("main", "Plugin not valid %0!"),
-                                 QCoreApplication::translate("main", "Plugin not valid %0!").arg(pluginLoader->fileName()) %
-                                 "\n\n" % pluginLoader->errorString());
+    for(auto &plugin : plugins)
+        plugin->attachTo(mainWindow);
 
     mainWindow.show();
 
diff --git a/zeiterfassungguilib/dialogs/settingsdialog.cpp b/zeiterfassungguilib/dialogs/settingsdialog.cpp
index ea84650..2e2c315 100644
--- a/zeiterfassungguilib/dialogs/settingsdialog.cpp
+++ b/zeiterfassungguilib/dialogs/settingsdialog.cpp
@@ -5,12 +5,15 @@
 #include <QStringBuilder>
 #include <QDir>
 #include <QApplication>
+#include <QSet>
 #include <QFile>
 #include <QTextStream>
 
 #include "zeiterfassungsettings.h"
+#include "zeiterfassungplugin.h"
+#include "settingswidget.h"
 
-SettingsDialog::SettingsDialog(ZeiterfassungSettings &settings, QWidget *parent) :
+SettingsDialog::SettingsDialog(ZeiterfassungSettings &settings, const QSet<ZeiterfassungPlugin*> &plugins, QWidget *parent) :
     ZeiterfassungDialog(parent),
     ui(new Ui::SettingsDialog),
     m_settings(settings)
@@ -21,7 +24,7 @@ SettingsDialog::SettingsDialog(ZeiterfassungSettings &settings, QWidget *parent)
     ui->comboBoxLanguage->addItem(tr("German"), QLocale::German);
 
     {
-        auto index = ui->comboBoxLanguage->findData(settings.language());
+        auto index = ui->comboBoxLanguage->findData(m_settings.language());
         if(index == -1)
             QMessageBox::warning(this, tr("Invalid settings!"), tr("Invalid settings!") % "\n\n" % tr("Unknown language!"));
         ui->comboBoxLanguage->setCurrentIndex(index);
@@ -32,14 +35,24 @@ SettingsDialog::SettingsDialog(ZeiterfassungSettings &settings, QWidget *parent)
     for(const auto &entry : QDir(QDir(QCoreApplication::applicationDirPath()).absoluteFilePath(QStringLiteral("themes"))).entryInfoList(QStringList { QStringLiteral("*.qss") }, QDir::Files))
         ui->comboBoxTheme->addItem(entry.baseName(), entry.baseName());
 
-    if(!settings.theme().isEmpty())
+    if(!m_settings.theme().isEmpty())
     {
-        auto index = ui->comboBoxTheme->findData(settings.theme());
+        auto index = ui->comboBoxTheme->findData(m_settings.theme());
         if(index == -1)
             QMessageBox::warning(this, tr("Invalid settings!"), tr("Invalid settings!") % "\n\n" % tr("Unknown theme!"));
         ui->comboBoxTheme->setCurrentIndex(index);
     }
 
+    for(const auto plugin : plugins)
+    {
+        auto widget = plugin->settingsWidget(m_settings, this);
+        if(!widget)
+            continue;
+
+        ui->verticalLayout->addWidget(widget);
+        m_settingsWidgets.append(widget);
+    }
+
     connect(ui->buttonBox, &QDialogButtonBox::accepted, this, &SettingsDialog::submit);
 }
 
@@ -50,8 +63,6 @@ SettingsDialog::~SettingsDialog()
 
 void SettingsDialog::submit()
 {
-    auto warning = false;
-
     if(ui->comboBoxLanguage->currentIndex() == -1 ||
        ui->comboBoxTheme->currentIndex() == -1)
     {
@@ -59,10 +70,21 @@ void SettingsDialog::submit()
         return;
     }
 
+    for(const auto widget : m_settingsWidgets)
+    {
+        QString message;
+        if(!widget->isValid(message))
+        {
+            QMessageBox::warning(this, tr("Invalid settings!"), tr("Invalid settings!") % "\n\n" % message);
+            return;
+        }
+    }
+
     if(ui->comboBoxLanguage->currentData().value<QLocale::Language>() != m_settings.language())
     {
         m_settings.setLanguage(ui->comboBoxLanguage->currentData().value<QLocale::Language>());
-        warning = true;
+        //TODO #73 Allow changing of the language without restart
+        QMessageBox::information(this, tr("Restart required!"), tr("To apply the new settings a restart is required!"));
     }
 
     auto theme = ui->comboBoxTheme->currentData().toString();
@@ -95,8 +117,8 @@ void SettingsDialog::submit()
         m_settings.setTheme(theme);
     }
 
-    if(warning)
-        QMessageBox::information(this, tr("Restart required!"), tr("To apply the new settings a restart is required!"));
+    for(const auto widget : m_settingsWidgets)
+        widget->apply();
 
     accept();
 }
diff --git a/zeiterfassungguilib/dialogs/settingsdialog.h b/zeiterfassungguilib/dialogs/settingsdialog.h
index 3315276..149869d 100644
--- a/zeiterfassungguilib/dialogs/settingsdialog.h
+++ b/zeiterfassungguilib/dialogs/settingsdialog.h
@@ -3,15 +3,17 @@
 #include "zeiterfassungguilib_global.h"
 #include "zeiterfassungdialog.h"
 
-class ZeiterfassungSettings;
 namespace Ui { class SettingsDialog; }
+class ZeiterfassungSettings;
+class ZeiterfassungPlugin;
+class SettingsWidget;
 
 class ZEITERFASSUNGGUILIBSHARED_EXPORT SettingsDialog : public ZeiterfassungDialog
 {
     Q_OBJECT
 
 public:
-    explicit SettingsDialog(ZeiterfassungSettings &settings, QWidget *parent = Q_NULLPTR);
+    explicit SettingsDialog(ZeiterfassungSettings &settings, const QSet<ZeiterfassungPlugin*> &plugins, QWidget *parent = Q_NULLPTR);
     ~SettingsDialog();
 
 private Q_SLOTS:
@@ -20,4 +22,5 @@ private Q_SLOTS:
 private:
     Ui::SettingsDialog *ui;
     ZeiterfassungSettings &m_settings;
+    QVector<SettingsWidget*> m_settingsWidgets;
 };
diff --git a/zeiterfassungguilib/dialogs/settingsdialog.ui b/zeiterfassungguilib/dialogs/settingsdialog.ui
index b43be14..f1eed28 100644
--- a/zeiterfassungguilib/dialogs/settingsdialog.ui
+++ b/zeiterfassungguilib/dialogs/settingsdialog.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>647</width>
-    <height>162</height>
+    <width>340</width>
+    <height>164</height>
    </rect>
   </property>
   <property name="maximumSize">
@@ -19,7 +19,7 @@
   <property name="windowTitle">
    <string>Settings</string>
   </property>
-  <layout class="QVBoxLayout" name="verticalLayout" stretch="0,1,0">
+  <layout class="QVBoxLayout" stretch="0,0,0,0">
    <item>
     <widget class="QLabel" name="labelTitle">
      <property name="font">
@@ -33,35 +33,52 @@
     </widget>
    </item>
    <item>
-    <layout class="QFormLayout" name="formLayout">
-     <item row="0" column="0">
-      <widget class="QLabel" name="labelLanguage">
-       <property name="text">
-        <string>Language:</string>
-       </property>
-       <property name="buddy">
-        <cstring>comboBoxLanguage</cstring>
-       </property>
-      </widget>
-     </item>
-     <item row="0" column="1">
-      <widget class="QComboBox" name="comboBoxLanguage"/>
-     </item>
-     <item row="1" column="0">
-      <widget class="QLabel" name="labelTheme">
-       <property name="text">
-        <string>Theme:</string>
-       </property>
-       <property name="buddy">
-        <cstring>comboBoxTheme</cstring>
-       </property>
-      </widget>
-     </item>
-     <item row="1" column="1">
-      <widget class="QComboBox" name="comboBoxTheme"/>
+    <layout class="QVBoxLayout" name="verticalLayout">
+     <item>
+      <layout class="QFormLayout">
+       <item row="0" column="0">
+        <widget class="QLabel" name="labelLanguage">
+         <property name="text">
+          <string>Language:</string>
+         </property>
+         <property name="buddy">
+          <cstring>comboBoxLanguage</cstring>
+         </property>
+        </widget>
+       </item>
+       <item row="0" column="1">
+        <widget class="QComboBox" name="comboBoxLanguage"/>
+       </item>
+       <item row="1" column="0">
+        <widget class="QLabel" name="labelTheme">
+         <property name="text">
+          <string>Theme:</string>
+         </property>
+         <property name="buddy">
+          <cstring>comboBoxTheme</cstring>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="1">
+        <widget class="QComboBox" name="comboBoxTheme"/>
+       </item>
+      </layout>
      </item>
     </layout>
    </item>
+   <item>
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>40</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
    <item>
     <widget class="QDialogButtonBox" name="buttonBox">
      <property name="orientation">
diff --git a/zeiterfassungguilib/mainwindow.cpp b/zeiterfassungguilib/mainwindow.cpp
index dfd8689..df471f6 100644
--- a/zeiterfassungguilib/mainwindow.cpp
+++ b/zeiterfassungguilib/mainwindow.cpp
@@ -28,13 +28,14 @@
 #include "replies/updatetimeassignmentreply.h"
 
 MainWindow::MainWindow(ZeiterfassungSettings &settings, ZeiterfassungApi &erfassung, const GetUserInfoReply::UserInfo &userInfo,
-                       StripFactory &stripFactory, QWidget *parent) :
+                       StripFactory &stripFactory, const QSet<ZeiterfassungPlugin*> &plugins, QWidget *parent) :
     QMainWindow(parent),
     ui(new Ui::MainWindow),
     m_settings(settings),
     m_erfassung(erfassung),
     m_userInfo(userInfo),
     m_stripFactory(stripFactory),
+    m_plugins(plugins),
     m_currentStripWidget(Q_NULLPTR),
     m_timerId(-1)
 {
@@ -49,7 +50,7 @@ MainWindow::MainWindow(ZeiterfassungSettings &settings, ZeiterfassungApi &erfass
     ui->actionRefresh->setShortcut(QKeySequence::Refresh);
     connect(ui->actionRefresh, &QAction::triggered, this, &MainWindow::refreshEverything);
 
-    connect(ui->actionSettings, &QAction::triggered, this, [this](){ SettingsDialog(m_settings, this).exec(); });
+    connect(ui->actionSettings, &QAction::triggered, this, [this](){ SettingsDialog(m_settings, m_plugins, this).exec(); });
 
     ui->actionHelp->setShortcut(QKeySequence::HelpContents);
 
diff --git a/zeiterfassungguilib/mainwindow.h b/zeiterfassungguilib/mainwindow.h
index 2f1666b..3b3d57c 100644
--- a/zeiterfassungguilib/mainwindow.h
+++ b/zeiterfassungguilib/mainwindow.h
@@ -18,6 +18,7 @@ class QBoxLayout;
 namespace Ui { class MainWindow; }
 class ZeiterfassungSettings;
 class StripFactory;
+class ZeiterfassungPlugin;
 class StripsWidget;
 
 class ZEITERFASSUNGGUILIBSHARED_EXPORT MainWindow : public QMainWindow
@@ -26,7 +27,7 @@ class ZEITERFASSUNGGUILIBSHARED_EXPORT MainWindow : public QMainWindow
 
 public:
     explicit MainWindow(ZeiterfassungSettings &settings, ZeiterfassungApi &erfassung, const GetUserInfoReply::UserInfo &userInfo,
-                        StripFactory &stripFactory, QWidget *parent = Q_NULLPTR);
+                        StripFactory &stripFactory, const QSet<ZeiterfassungPlugin*> &plugins, QWidget *parent = Q_NULLPTR);
     ~MainWindow();
 
     QMenu *menuFile() const;
@@ -73,6 +74,7 @@ private:
     ZeiterfassungApi &m_erfassung;
     const GetUserInfoReply::UserInfo &m_userInfo;
     StripFactory &m_stripFactory;
+    const QSet<ZeiterfassungPlugin*> &m_plugins;
 
     std::unique_ptr<GetProjectsReply> m_getProjectsReply;
 
diff --git a/zeiterfassungguilib/settingswidget.cpp b/zeiterfassungguilib/settingswidget.cpp
new file mode 100644
index 0000000..1a0fa90
--- /dev/null
+++ b/zeiterfassungguilib/settingswidget.cpp
@@ -0,0 +1,6 @@
+#include "settingswidget.h"
+
+SettingsWidget::SettingsWidget(QWidget *parent) :
+    QWidget(parent)
+{
+}
diff --git a/zeiterfassungguilib/settingswidget.h b/zeiterfassungguilib/settingswidget.h
new file mode 100644
index 0000000..56fee50
--- /dev/null
+++ b/zeiterfassungguilib/settingswidget.h
@@ -0,0 +1,21 @@
+#ifndef SETTINGSWIDGET_H
+#define SETTINGSWIDGET_H
+
+#include <QObject>
+#include <QWidget>
+
+#include "zeiterfassungguilib_global.h"
+
+class ZEITERFASSUNGGUILIBSHARED_EXPORT SettingsWidget : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit SettingsWidget(QWidget *parent = Q_NULLPTR);
+
+    virtual bool isValid(QString &message) const { Q_UNUSED(message) return true; }
+
+public Q_SLOTS:
+    virtual void apply() { }
+};
+
+#endif // SETTINGSWIDGET_H
diff --git a/zeiterfassungguilib/zeiterfassungguilib.pro b/zeiterfassungguilib/zeiterfassungguilib.pro
index a3e9a2d..30e4962 100644
--- a/zeiterfassungguilib/zeiterfassungguilib.pro
+++ b/zeiterfassungguilib/zeiterfassungguilib.pro
@@ -18,6 +18,7 @@ DEFINES += QT_DEPRECATED_WARNINGS QT_DISABLE_DEPRECATED_BEFORE=0x060000 QT_MESSA
 DEFINES += ZEITERFASSUNGGUILIB_LIBRARY
 
 SOURCES += mainwindow.cpp \
+           settingswidget.cpp \
            stripfactory.cpp \
            stripswidget.cpp \
            zeiterfassungdialog.cpp \
@@ -27,6 +28,7 @@ SOURCES += mainwindow.cpp \
            dialogs/settingsdialog.cpp
 
 HEADERS += mainwindow.h \
+           settingswidget.h \
            stripfactory.h \
            stripswidget.h \
            zeiterfassungguilib_global.h \
diff --git a/zeiterfassungguilib/zeiterfassungplugin.cpp b/zeiterfassungguilib/zeiterfassungplugin.cpp
index 4436d93..0f0913a 100644
--- a/zeiterfassungguilib/zeiterfassungplugin.cpp
+++ b/zeiterfassungguilib/zeiterfassungplugin.cpp
@@ -3,5 +3,11 @@
 ZeiterfassungPlugin::ZeiterfassungPlugin(QObject *parent) :
     QObject(parent)
 {
-
+}
+
+SettingsWidget *ZeiterfassungPlugin::settingsWidget(ZeiterfassungSettings &settings, QWidget *parent) const
+{
+    Q_UNUSED(settings)
+    Q_UNUSED(parent)
+    return Q_NULLPTR;
 }
diff --git a/zeiterfassungguilib/zeiterfassungplugin.h b/zeiterfassungguilib/zeiterfassungplugin.h
index ed50fb2..bcfc883 100644
--- a/zeiterfassungguilib/zeiterfassungplugin.h
+++ b/zeiterfassungguilib/zeiterfassungplugin.h
@@ -6,6 +6,8 @@
 
 class MainWindow;
 class StripsWidget;
+class SettingsWidget;
+class ZeiterfassungSettings;
 
 class ZEITERFASSUNGGUILIBSHARED_EXPORT ZeiterfassungPlugin : public QObject
 {
@@ -15,6 +17,8 @@ public:
     explicit ZeiterfassungPlugin(QObject *parent = Q_NULLPTR);
 
     virtual void attachTo(MainWindow &mainWindow) { Q_UNUSED(mainWindow) }
+
+    virtual SettingsWidget *settingsWidget(ZeiterfassungSettings &settings, QWidget *parent = Q_NULLPTR) const;
 };
 
 Q_DECLARE_INTERFACE(ZeiterfassungPlugin, "dbsoftware.zeiterfassung.plugin/1.0")