diff --git a/frontend/data/category.ts b/frontend/data/category.ts
index 6e7e4536..0bf9a807 100644
--- a/frontend/data/category.ts
+++ b/frontend/data/category.ts
@@ -29,4 +29,8 @@ export const categoryData = [
   createCategory('aws', 'AWS', 17),
   createCategory('azure', 'Azure', 18),
   createCategory('devops', 'DevOps', 19),
+  createCategory('swift', 'Swift', 20),
+  createCategory('flutter', 'Flutter', 21),
+  createCategory('kotlin', 'Kotlin', 22),
+  createCategory('reactnative', 'React Native', 23),
 ];
diff --git a/frontend/data/categoryStyles.ts b/frontend/data/categoryStyles.ts
index a3a1af3c..85a90a0a 100644
--- a/frontend/data/categoryStyles.ts
+++ b/frontend/data/categoryStyles.ts
@@ -159,6 +159,34 @@ export const categoryTabStyles = {
     glow: 'bg-[#0052CC]',
     accent: '#0052CC',
   },
+  swift: {
+    icon: '/icons/swift.svg',
+    color:
+      'group-hover:border-[#F05138]/50 group-hover:bg-[#F05138]/10 data-[state=active]:border-[#F05138]/50 data-[state=active]:bg-[#F05138]/10',
+    glow: 'bg-[#F05138]',
+    accent: '#F05138',
+  },
+  flutter: {
+    icon: '/icons/flutter.svg',
+    color:
+      'group-hover:border-[#02569B]/50 group-hover:bg-[#02569B]/10 data-[state=active]:border-[#02569B]/50 data-[state=active]:bg-[#02569B]/10',
+    glow: 'bg-[#02569B]',
+    accent: '#02569B',
+  },
+  kotlin: {
+    icon: '/icons/kotlin.svg',
+    color:
+      'group-hover:border-[#7F52FF]/50 group-hover:bg-[#7F52FF]/10 data-[state=active]:border-[#7F52FF]/50 data-[state=active]:bg-[#7F52FF]/10',
+    glow: 'bg-[#7F52FF]',
+    accent: '#7F52FF',
+  },
+  reactnative: {
+    icon: '/icons/reactnative.svg',
+    color:
+      'group-hover:border-[#61DAFB]/50 group-hover:bg-[#61DAFB]/10 data-[state=active]:border-[#61DAFB]/50 data-[state=active]:bg-[#61DAFB]/10',
+    glow: 'bg-[#61DAFB]',
+    accent: '#61DAFB',
+  },
 } as const satisfies Partial<Record<CategorySlug, CategoryTabStyle>>;
 
 export function getCategoryTabStyle(slug: string): CategoryTabStyle {
diff --git a/frontend/public/icons/flutter.svg b/frontend/public/icons/flutter.svg
new file mode 100644
index 00000000..bd8d0b4a
--- /dev/null
+++ b/frontend/public/icons/flutter.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 128 128"><g fill="#3FB6D3"><path d="M12.3 64.2L76.3 0h39.4L32.1 83.6zM76.3 128h39.4L81.6 93.9l34.1-34.8H76.3L42.2 93.5z"/></g><path fill="#27AACD" d="M81.6 93.9l-20-20-19.4 19.6 19.4 19.6z"/><path fill="#19599A" d="M115.7 128L81.6 93.9l-20 19.2L76.3 128z"/><linearGradient id="flutter-original-a" gradientUnits="userSpaceOnUse" x1="59.365" y1="116.36" x2="86.825" y2="99.399"><stop offset="0" stop-color="#1b4e94"/><stop offset=".63" stop-color="#1a5497"/><stop offset="1" stop-color="#195a9b"/></linearGradient><path fill="url(#flutter-original-a)" d="M61.6 113.1l30.8-8.4-10.8-10.8z"/></svg>
\ No newline at end of file
diff --git a/frontend/public/icons/kotlin.svg b/frontend/public/icons/kotlin.svg
new file mode 100644
index 00000000..1b8d8f46
--- /dev/null
+++ b/frontend/public/icons/kotlin.svg
@@ -0,0 +1,10 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 128 128">
+  <defs>
+    <linearGradient id="a" x1="500.003" x2="-.097" y1="579.106" y2="1079.206" gradientTransform="translate(15.534 -96.774) scale(.1939)" gradientUnits="userSpaceOnUse">
+      <stop offset=".003" stop-color="#e44857"/>
+      <stop offset=".469" stop-color="#c711e1"/>
+      <stop offset="1" stop-color="#7f52ff"/>
+    </linearGradient>
+  </defs>
+  <path fill="url(#a)" d="M112.484 112.484H15.516V15.516h96.968L64 64Zm0 0"/>
+</svg>
diff --git a/frontend/public/icons/reactnative.svg b/frontend/public/icons/reactnative.svg
new file mode 100644
index 00000000..6e66227f
--- /dev/null
+++ b/frontend/public/icons/reactnative.svg
@@ -0,0 +1,3 @@
+<svg width="128" height="128" viewBox="0 0 128 128" fill="none" xmlns="http://www.w3.org/2000/svg">
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+</svg>
diff --git a/frontend/public/icons/swift.svg b/frontend/public/icons/swift.svg
new file mode 100644
index 00000000..68630abe
--- /dev/null
+++ b/frontend/public/icons/swift.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 128 128"><path fill="#f05138" d="M126.33 34.06a39.32 39.32 0 00-.79-7.83 28.78 28.78 0 00-2.65-7.58 28.84 28.84 0 00-4.76-6.32 23.42 23.42 0 00-6.62-4.55 27.27 27.27 0 00-7.68-2.53c-2.65-.51-5.56-.51-8.21-.76H30.25a45.46 45.46 0 00-6.09.51 21.82 21.82 0 00-5.82 1.52c-.53.25-1.32.51-1.85.76a33.82 33.82 0 00-5 3.28c-.53.51-1.06.76-1.59 1.26a22.41 22.41 0 00-4.76 6.32 23.61 23.61 0 00-2.65 7.58 78.5 78.5 0 00-.79 7.83v60.39a39.32 39.32 0 00.79 7.83 28.78 28.78 0 002.65 7.58 28.84 28.84 0 004.76 6.32 23.42 23.42 0 006.62 4.55 27.27 27.27 0 007.68 2.53c2.65.51 5.56.51 8.21.76h63.22a45.08 45.08 0 008.21-.76 27.27 27.27 0 007.68-2.53 30.13 30.13 0 006.62-4.55 22.41 22.41 0 004.76-6.32 23.61 23.61 0 002.65-7.58 78.49 78.49 0 00.79-7.83V34.06z"/><path fill="#fefefe" d="M85 96.5c-11.11 6.13-26.38 6.76-41.75.47A64.53 64.53 0 0113.84 73a50 50 0 0010.85 6.32c15.87 7.1 31.73 6.61 42.9 0-15.9-11.66-29.4-26.82-39.46-39.2a43.47 43.47 0 01-5.29-6.82c12.16 10.61 31.5 24 38.38 27.79a271.77 271.77 0 01-27-32.34 266.8 266.8 0 0044.47 34.87c.71.38 1.26.7 1.7 1a32.7 32.7 0 001.21-3.51c3.71-12.89-.53-27.54-9.79-39.67C93.25 33.81 106 57.05 100.66 76.51c-.14.53-.29 1-.45 1.55l.19.22c10.59 12.63 7.68 26 6.35 23.5C101 91 90.37 94.33 85 96.5z"/></svg>
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