diff --git a/.github/workflows/csharp.yml b/.github/workflows/csharp.yml
index 19ce60a..19e01cd 100644
--- a/.github/workflows/csharp.yml
+++ b/.github/workflows/csharp.yml
@@ -17,7 +17,10 @@ defaults:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v1
         with:
diff --git a/.github/workflows/nim.yml b/.github/workflows/nim.yml
new file mode 100644
index 0000000..3bd26aa
--- /dev/null
+++ b/.github/workflows/nim.yml
@@ -0,0 +1,36 @@
+name: nim
+
+on:
+  push:
+    branches: main 
+    paths:
+      - 'nim/**'
+      - '.github/workflows/nim.yml'
+      - 'triplets.nimble'
+      
+defaults:
+  run:
+    working-directory: nim
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: true
+      - uses: jiro4989/setup-nim-action@v1
+        with:
+          nim-version: 'stable'
+      - name: Install dependencies
+        run: nimble install -y
+      - name: Run tests
+        run: |
+          cd tests
+          for test in test*.nim; do
+            echo "Running $test"
+            nim c -r "$test"
+          done
\ No newline at end of file
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
new file mode 100644
index 0000000..d8692b7
--- /dev/null
+++ b/.github/workflows/rust.yml
@@ -0,0 +1,29 @@
+name: rust
+
+on:
+  push:
+    branches: main 
+    paths:
+      - 'rust/**'
+      - '.github/workflows/rust.yml'
+      
+defaults:
+  run:
+    working-directory: rust
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: true
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+      - name: Run tests
+        run: cargo test --release
\ No newline at end of file