diff --git a/.coveragerc b/.coveragerc
index 1a7311855..971e393ef 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -1,6 +1,7 @@
 [run]
 source = control
 omit = control/tests/*
+relative_files = True
 
 [report]
 exclude_lines =
diff --git a/.github/workflows/control-slycot-src.yml b/.github/workflows/control-slycot-src.yml
new file mode 100644
index 000000000..41d56bf4a
--- /dev/null
+++ b/.github/workflows/control-slycot-src.yml
@@ -0,0 +1,39 @@
+name: Slycot from source
+
+on: [push, pull_request]
+
+jobs:
+  build-linux:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python
+      uses: actions/setup-python@v2
+    - name: Install Python dependencies
+      run: |
+        # Set up conda
+        echo $CONDA/bin >> $GITHUB_PATH
+
+        # Set up (virtual) X11
+        sudo apt install -y xvfb
+
+        # Install test tools
+        conda install pip pytest
+
+        # Install python-control dependencies
+        conda install numpy matplotlib scipy
+
+    - name: Install slycot from source
+      run: |
+        # Install compilers, libraries, and development environment
+        sudo apt-get -y install gfortran cmake --fix-missing
+        sudo apt-get -y install libblas-dev liblapack-dev
+        conda install -c conda-forge scikit-build;
+
+        # Compile and install slycot
+        git clone https://github.com/python-control/Slycot.git slycot
+        cd slycot; python setup.py build_ext install -DBLA_VENDOR=Generic
+
+    - name: Test with pytest
+      run: xvfb-run --auto-servernum pytest control/tests
diff --git a/.github/workflows/python-package-conda.yml b/.github/workflows/python-package-conda.yml
new file mode 100644
index 000000000..a3388af79
--- /dev/null
+++ b/.github/workflows/python-package-conda.yml
@@ -0,0 +1,67 @@
+name: Conda-based pytest
+
+on: [push, pull_request]
+
+jobs:
+  test-linux:
+    runs-on: ubuntu-latest
+
+    strategy:
+      max-parallel: 5
+      matrix:
+        python-version: [3.6, 3.9]
+        slycot: ["", "conda"]
+        array-and-matrix: [0]
+        include:
+          - python-version: 3.9
+            slycot: conda
+            array-and-matrix: 1
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Install dependencies
+      run: |
+        # Set up conda
+        echo $CONDA/bin >> $GITHUB_PATH
+        conda create -q -n test-environment python=${{matrix.python-version}}
+        source $CONDA/bin/activate test-environment
+
+        # Set up (virtual) X11
+        sudo apt install -y xvfb
+
+        # Install test tools
+        conda install pip coverage pytest
+        pip install coveralls
+
+        # Install python-control dependencies
+        conda install numpy matplotlib scipy
+        if [[ '${{matrix.slycot}}' == 'conda' ]]; then
+          conda install -c conda-forge slycot
+        fi
+
+    - name: Test with pytest
+      env:
+        PYTHON_CONTROL_ARRAY_AND_MATRIX: ${{ matrix.array-and-matrix }}
+      run: |
+        source $CONDA/bin/activate test-environment
+        # Use xvfb-run instead of pytest-xvfb to get proper mpl backend
+        # Use coverage instead of pytest-cov to get .coverage file
+        # See https://github.com/python-control/python-control/pull/504
+        xvfb-run --auto-servernum coverage run -m pytest control/tests
+
+    - name: Coveralls parallel
+      # https://github.com/coverallsapp/github-action
+      uses: AndreMiras/coveralls-python-action@develop
+      with:
+        parallel: true
+
+  coveralls:
+    name: coveralls completion
+    needs: test-linux
+    runs-on: ubuntu-latest
+    steps:
+    - name: Coveralls Finished
+      uses: AndreMiras/coveralls-python-action@develop
+      with:
+        parallel-finished: true