diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
deleted file mode 100644
index b2f711d..0000000
--- a/.github/workflows/main.yml
+++ /dev/null
@@ -1,103 +0,0 @@
-# Github Actions workflow file
-name: main
-
-# Controls when the workflow will run
-on:
-
-  # Run when commits are pushed.
-  push:
-
-  # Allows you to run this workflow manually from the Actions tab
-  workflow_dispatch:
-
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
-jobs:
-
-  # Run checks on Python code.
-  check-python:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - name: Set up Python 3.11
-        uses: actions/setup-python@v4
-        with:
-          python-version: '3.11'
-      - name: Install dependencies
-        run: pip install --upgrade mypy pylint
-      - name: Run mypy
-        run: mypy --disallow-incomplete-defs python tests
-      - name: Run pylint
-        run: pylint --ignore=test_mwmatching.py python tests
-
-  # Run tests on Python code.
-  full-test-python:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - name: Set up Python 3.11
-        uses: actions/setup-python@v4
-        with:
-          python-version: '3.11'
-      - name: Install dependencies
-        run: pip install --upgrade coverage
-      - name: Show Python version
-        run: python3 --version
-      - name: Run unittests
-        run: python3 python/test_mwmatching.py
-      - name: Check unittest coverage
-        run: |
-          coverage erase
-          coverage run --branch python/test_mwmatching.py
-          coverage report -m --fail-under=99
-      - name: Run test graphs
-        run: >
-          python3 python/run_matching.py --verify
-          tests/graphs/chain_n1000.edge
-          tests/graphs/chain_n5000.edge
-          tests/graphs/sparse_delta_n1004.edge
-          tests/graphs/triangles_n1002.edge
-          tests/graphs/triangles_n5001.edge
-          tests/graphs/random_n1000_m10000.edge
-          tests/graphs/random_n2000_m10000.edge
-
-  # Run unittests on multiple Python versions.
-  unittest-python:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.12-dev", "pypy3.9"]
-    steps:
-      - uses: actions/checkout@v3
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
-        with:
-          python-version: ${{ matrix.python-version }}
-      - name: Show Python version
-        run: python3 --version
-      - name: Run unittests
-        run: python3 python/test_mwmatching.py
-
-  # Run tests on C++ code.
-  test-cpp:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - name: Install Boost
-        run: sudo apt-get install -y libboost-test-dev
-      - name: Show GCC version
-        run: g++ --version
-      - name: Build mwmatching
-        run: make -C cpp run_matching test_mwmatching
-      - name: Run unittests
-        run: cpp/test_mwmatching
-      - name: Run test graphs
-        run: >
-          python3 tests/run_test.py --solver cpp/run_matching --verify
-          tests/graphs/chain_n1000.edge
-          tests/graphs/chain_n5000.edge
-          tests/graphs/sparse_delta_n1004.edge
-          tests/graphs/triangles_n1002.edge
-          tests/graphs/triangles_n5001.edge
-          tests/graphs/random_n1000_m10000.edge
-          tests/graphs/random_n2000_m10000.edge
-
diff --git a/README.md b/README.md
index 9826c39..a2856b4 100644
--- a/README.md
+++ b/README.md
@@ -63,11 +63,6 @@ But it is definitely still possible that I overlooked something.
 This repository is just a side-project for me.
 I don't have any plans to develop this into a polished, full-featured, supported software package.
 
-If you find any bugs in this code, please let me know by reporting an issue in
-the Github repository.
-I will try to respond to issue reports and fix bugs.
-I will probably not accept pull requests.
-
 
 ## Credits
 
diff --git a/run_tests.sh b/run_tests.sh
new file mode 100755
index 0000000..f80e1e8
--- /dev/null
+++ b/run_tests.sh
@@ -0,0 +1,57 @@
+#!/bin/sh
+
+set -e
+
+echo
+echo "Running Python unit tests"
+echo
+
+python3 --version
+echo
+
+python3 python/test_mwmatching.py
+
+echo
+echo "Checking test coverage"
+echo
+
+coverage erase
+coverage run --branch python/test_mwmatching.py
+coverage report -m
+
+echo
+echo "Running Python code on test graphs"
+echo
+
+python3 python/run_matching.py --verify \
+    tests/graphs/chain_n1000.edge \
+    tests/graphs/chain_n5000.edge \
+    tests/graphs/sparse_delta_n1004.edge \
+    tests/graphs/triangles_n1002.edge \
+    tests/graphs/triangles_n5001.edge \
+    tests/graphs/random_n1000_m10000.edge \
+    tests/graphs/random_n2000_m10000.edge
+
+echo
+echo "Running C++ unit tests"
+echo
+
+g++ --version
+echo
+
+make -C cpp run_matching test_mwmatching
+cpp/test_mwmatching
+
+echo
+echo "Running C++ code on test graphs"
+echo
+
+python3 tests/run_test.py --solver cpp/run_matching --verify \
+    tests/graphs/chain_n1000.edge \
+    tests/graphs/chain_n5000.edge \
+    tests/graphs/sparse_delta_n1004.edge \
+    tests/graphs/triangles_n1002.edge \
+    tests/graphs/triangles_n5001.edge \
+    tests/graphs/random_n1000_m10000.edge \
+    tests/graphs/random_n2000_m10000.edge
+