diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
new file mode 100644
index 00000000..3b434251
--- /dev/null
+++ b/.github/workflows/cmake.yml
@@ -0,0 +1,27 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        build_type: [Release, Debug]
+        
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Configure CMake
+      run: cmake -B build -S . -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
+      
+    - name: Build
+      run: cmake --build build --config ${{ matrix.build_type }}
+      
+    - name: Run tests
+      run: cd build && ctest -C ${{ matrix.build_type }} --output-on-failure
diff --git a/.github/workflows/formatting.yml b/.github/workflows/formatting.yml
new file mode 100644
index 00000000..98ba1036
--- /dev/null
+++ b/.github/workflows/formatting.yml
@@ -0,0 +1,38 @@
+name: Code Formatting
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  format:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+
+    steps:
+      - uses: actions/checkout@v5
+
+      # Install clang-format if needed
+      - name: Install clang-format (Linux)
+        if: matrix.os == 'ubuntu-latest'
+        run: sudo apt-get update && sudo apt-get install -y clang-format
+
+      - name: Install clang-format (macOS)
+        if: matrix.os == 'macos-latest'
+        run: brew install clang-format || true
+
+      # Check formatting
+      - name: Check C/C++ formatting
+        run: |
+          misformatted=$(find . -name '*.c' -o -name '*.h' -print0 | xargs -0 clang-format -style=file -output-replacements-xml | grep "<replacement " || true)
+          if [ -n "$misformatted" ]; then
+            echo "ERROR: Some files are not properly formatted. Run clang-format -i."
+            exit 1
+          else
+            echo "All files are properly formatted."
+            exit 0
+          fi
\ No newline at end of file
diff --git a/.github/workflows/sanitizer.yml b/.github/workflows/sanitizer.yml
new file mode 100644
index 00000000..f2e01551
--- /dev/null
+++ b/.github/workflows/sanitizer.yml
@@ -0,0 +1,33 @@
+name: ASan+UBSan
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+
+    steps:
+      - uses: actions/checkout@v5
+
+      # Configure CMake with ASan + UBSan
+      - name: Configure with sanitizers
+        run: cmake -B build -S . \
+          -DCMAKE_BUILD_TYPE=Debug \
+          -DCMAKE_C_FLAGS="-fsanitize=address,undefined -fno-omit-frame-pointer -g" \
+          -DCMAKE_CXX_FLAGS="-fsanitize=address,undefined -fno-omit-frame-pointer -g" \
+          -DBUILD_TESTING=ON
+
+      # Build
+      - name: Build
+        run: cmake --build build --config Debug
+
+      # Run tests
+      - name: Run tests under ASan+UBSan
+        run: cd build && ctest --output-on-failure
diff --git a/.github/workflows/valgrind.yml b/.github/workflows/valgrind.yml
new file mode 100644
index 00000000..6508e5ec
--- /dev/null
+++ b/.github/workflows/valgrind.yml
@@ -0,0 +1,26 @@
+name: Valgrind
+
+on: [push, pull_request]
+
+jobs:
+  linux:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y valgrind
+
+      - name: Configure Debug build
+        run: cmake -B build -S . -DCMAKE_BUILD_TYPE=Debug -DBUILD_TESTING=ON
+
+      - name: Build
+        run: cmake --build build --config Debug
+
+      - name: Run tests under Valgrind
+        run: |
+          valgrind --leak-check=full --show-leak-kinds=all \
+                   --track-origins=yes --show-reachable=yes \
+                   --error-exitcode=1 build/bin/all_tests