diff --git a/doc/changelog.dox b/doc/changelog.dox
index 5c3111684..67d402c9b 100644
--- a/doc/changelog.dox
+++ b/doc/changelog.dox
@@ -82,6 +82,16 @@ See also:
     @ref Platform::AbstractXApplication::mainLoopIteration() for consistency
     with @ref Platform::Sdl2Application (see
     [mosra/magnum#387](https://github.com/mosra/magnum/pull/387))
+-   Added @ref Platform::Sdl2Application::KeyEvent::Key::Quote "Key::Quote",
+    @ref Platform::Sdl2Application::KeyEvent::Key::LeftBracket "Key::LeftBracket",
+    @ref Platform::Sdl2Application::KeyEvent::Key::RightBracket "Key::RightBracket",
+    @ref Platform::Sdl2Application::KeyEvent::Key::Backslash "Key::Backslash" and
+    @ref Platform::Sdl2Application::KeyEvent::Key::Backquote "Key::Backquote"
+    keys to @ref Platform::Sdl2Application::KeyEvent and
+    @ref Platform::GlfwApplication::KeyEvent
+-   Added @ref Platform::GlfwApplication::KeyEvent::Key::World1 and
+    @ref Platform::GlfwApplication::KeyEvent::Key::World2
+-   Added @ref Platform::EmscriptenApplication::KeyEvent::Key::Semicolon
 
 @subsection changelog-latest-changes Changes and improvements
 
@@ -133,6 +143,12 @@ See also:
 -   @ref Platform::Sdl2Application::Configuration::WindowFlag::Vulkan was
     enabled conditionally only for SDL >= 2.0.6, but the version defines were
     never included so it was always disabled
+-   Fixed missing handling of
+    @ref Platform::EmscriptenApplication::KeyEvent::Key::LeftBracket "Key::LeftBracket",
+    @ref Platform::EmscriptenApplication::KeyEvent::Key::RightBracket "Key::RightBracket",
+    @ref Platform::EmscriptenApplication::KeyEvent::Key::Semicolon "Key::Semicolon" and
+    @ref Platform::EmscriptenApplication::KeyEvent::Key::Backquote "Key::Backquote"
+    in @ref Platform::EmscriptenApplication
 
 @subsection changelog-latest-deprecated Deprecated APIs
 
diff --git a/src/Magnum/Platform/EmscriptenApplication.cpp b/src/Magnum/Platform/EmscriptenApplication.cpp
index 840f9c7f6..ac7df2d43 100644
--- a/src/Magnum/Platform/EmscriptenApplication.cpp
+++ b/src/Magnum/Platform/EmscriptenApplication.cpp
@@ -62,8 +62,11 @@ namespace {
         {"ArrowLeft", Key::Left},
         {"ArrowRight", Key::Right},
         {"ArrowUp", Key::Up},
+        {"Backquote", Key::Backquote},
         {"Backslash", Key::Backslash},
         {"Backspace", Key::Backspace},
+        {"BracketLeft", Key::LeftBracket},
+        {"BracketRight", Key::RightBracket},
         {"CapsLock", Key::CapsLock},
         {"Comma", Key::Comma},
         {"ContextMenu", Key::Menu},
@@ -88,6 +91,7 @@ namespace {
         {"PrintScreen", Key::PrintScreen},
         {"Quote", Key::Quote},
         {"ScrollLock", Key::ScrollLock},
+        {"Semicolon", Key::Semicolon},
         {"ShiftLeft", Key::LeftShift},
         {"ShiftRight", Key::RightShift},
         {"Slash", Key::Slash},
diff --git a/src/Magnum/Platform/EmscriptenApplication.h b/src/Magnum/Platform/EmscriptenApplication.h
index 99c3cac19..0e0350653 100644
--- a/src/Magnum/Platform/EmscriptenApplication.h
+++ b/src/Magnum/Platform/EmscriptenApplication.h
@@ -1586,6 +1586,8 @@ class EmscriptenApplication::KeyEvent: public EmscriptenApplication::InputEvent
              */
             RightSuper,
 
+            /* no equivalent for Sdl2Application's AltGr */
+
             Enter,              /**< Enter */
             Esc,                /**< Escape */
 
@@ -1654,6 +1656,7 @@ class EmscriptenApplication::KeyEvent: public EmscriptenApplication::InputEvent
 
             Space,              /**< Space */
             Tab,                /**< Tab */
+            Quote,              /**< Quote (`'`) */
             Comma,              /**< Comma */
             Period,             /**< Period */
             Minus,              /**< Minus */
@@ -1662,13 +1665,20 @@ class EmscriptenApplication::KeyEvent: public EmscriptenApplication::InputEvent
             Slash,              /**< Slash */
             /* Note: This may only be represented as SHIFT + 5 */
             Percent,            /**< Percent */
+
+            /**
+             * Semicolon (`;`)
+             * @m_since_latest
+             */
+            Semicolon,
+
             Equal,              /**< Equal */
+            LeftBracket,        /**< Left bracket (`[`) */
+            RightBracket,       /**< Right bracket (`]`) */
+            Backslash,          /**< Backslash (`\`) */
+            Backquote,          /**< Backquote (<tt>`</tt>) */
 
-            Backquote,          /**< Backquote */
-            Backslash,          /**< Backslash */
-            Quote,              /**< Quote */
-            BracketRight,       /**< BracketRight */
-            BracketLeft,        /**< BracketLeft */
+            /* no equivalent for GlfwApplication's World1 / World2 */
 
             CapsLock,           /**< Caps lock */
             ScrollLock,         /**< Scroll lock */
diff --git a/src/Magnum/Platform/GlfwApplication.h b/src/Magnum/Platform/GlfwApplication.h
index f4e5bb766..0f977b91f 100644
--- a/src/Magnum/Platform/GlfwApplication.h
+++ b/src/Magnum/Platform/GlfwApplication.h
@@ -1469,6 +1469,8 @@ class GlfwApplication::KeyEvent: public GlfwApplication::InputEvent {
              */
             RightSuper = GLFW_KEY_RIGHT_SUPER,
 
+            /* no equivalent for Sdl2Application's AltGr */
+
             Enter = GLFW_KEY_ENTER,             /**< Enter */
             Esc = GLFW_KEY_ESCAPE,              /**< Escape */
 
@@ -1499,6 +1501,13 @@ class GlfwApplication::KeyEvent: public GlfwApplication::InputEvent {
 
             Space = GLFW_KEY_SPACE,             /**< Space */
             Tab = GLFW_KEY_TAB,                 /**< Tab */
+
+            /**
+             * Quote (`'`)
+             * @m_since_latest
+             */
+            Quote = GLFW_KEY_APOSTROPHE,
+
             Comma = GLFW_KEY_COMMA,             /**< Comma */
             Period = GLFW_KEY_PERIOD,           /**< Period */
             Minus = GLFW_KEY_MINUS,             /**< Minus */
@@ -1507,10 +1516,10 @@ class GlfwApplication::KeyEvent: public GlfwApplication::InputEvent {
             Slash = GLFW_KEY_SLASH,             /**< Slash */
             /* Note: This may only be represented as SHIFT + 5 */
             Percent = '%',                      /**< Percent */
-            Semicolon = GLFW_KEY_SEMICOLON,     /**< Semicolon */
+            Semicolon = GLFW_KEY_SEMICOLON,     /**< Semicolon (`;`) */
 
             #ifdef MAGNUM_BUILD_DEPRECATED
-            /** Semicolon
+            /** Semicolon (`;`)
              * @m_deprecated_since{2019,01} Use @ref Key::Semicolon instead.
              */
             Smicolon CORRADE_DEPRECATED_ENUM("use Key::Semicolon instead") = Semicolon,
@@ -1518,6 +1527,42 @@ class GlfwApplication::KeyEvent: public GlfwApplication::InputEvent {
 
             Equal = GLFW_KEY_EQUAL,             /**< Equal */
 
+            /**
+             * Left bracket (`[`)
+             * @m_since_latest
+             */
+            LeftBracket = GLFW_KEY_LEFT_BRACKET,
+
+            /**
+             * Right bracket (`]`)
+             * @m_since_latest
+             */
+            RightBracket = GLFW_KEY_RIGHT_BRACKET,
+
+            /**
+             * Backslash (`\`)
+             * @m_since_latest
+             */
+            Backslash = GLFW_KEY_BACKSLASH,
+
+            /**
+             * Backquote (<tt>`</tt>)
+             * @m_since_latest
+             */
+            Backquote = GLFW_KEY_GRAVE_ACCENT,
+
+            /**
+             * Non-US \#1
+             * @m_since_latest
+             */
+            World1 = GLFW_KEY_WORLD_1,
+
+            /**
+             * Non-US \#2
+             * @m_since_latest
+             */
+            World2 = GLFW_KEY_WORLD_2,
+
             Zero = GLFW_KEY_0,                  /**< Zero */
             One = GLFW_KEY_1,                   /**< One */
             Two = GLFW_KEY_2,                   /**< Two */
diff --git a/src/Magnum/Platform/Sdl2Application.h b/src/Magnum/Platform/Sdl2Application.h
index 123bce632..a010b0bc1 100644
--- a/src/Magnum/Platform/Sdl2Application.h
+++ b/src/Magnum/Platform/Sdl2Application.h
@@ -2099,15 +2099,48 @@ class Sdl2Application::KeyEvent: public Sdl2Application::InputEvent {
 
             Space = SDLK_SPACE,         /**< Space */
             Tab = SDLK_TAB,             /**< Tab */
+
+            /**
+             * Quote (`'`)
+             * @m_since_latest
+             */
+            Quote = SDLK_QUOTE,
+
             Comma = SDLK_COMMA,         /**< Comma */
             Period = SDLK_PERIOD,       /**< Period */
             Minus = SDLK_MINUS,         /**< Minus */
             Plus = SDLK_PLUS,           /**< Plus */
             Slash = SDLK_SLASH,         /**< Slash */
             Percent = SDLK_PERCENT,     /**< Percent */
-            Semicolon = SDLK_SEMICOLON, /**< Semicolon */
+            Semicolon = SDLK_SEMICOLON, /**< Semicolon (`;`) */
             Equal = SDLK_EQUALS,        /**< Equal */
 
+            /**
+             * Left bracket (`[`)
+             * @m_since_latest
+             */
+            LeftBracket = SDLK_LEFTBRACKET,
+
+            /**
+             * Right bracket (`]`)
+             * @m_since_latest
+             */
+            RightBracket = SDLK_RIGHTBRACKET,
+
+            /**
+             * Backslash (`\`)
+             * @m_since_latest
+             */
+            Backslash = SDLK_BACKSLASH,
+
+            /**
+             * Backquote (<tt>`</tt>)
+             * @m_since_latest
+             */
+            Backquote = SDLK_BACKQUOTE,
+
+            /* no equivalent for GlfwApplication's World1 / World2 */
+
             Zero = SDLK_0,              /**< Zero */
             One = SDLK_1,               /**< One */
             Two = SDLK_2,               /**< Two */