diff --git a/.travis/check_pylint_diff b/.github/workflows/check_pylint_diff.sh
old mode 100755
new mode 100644
similarity index 97%
rename from .travis/check_pylint_diff
rename to .github/workflows/check_pylint_diff.sh
index 0306be4e894..b609bb89468
--- a/.travis/check_pylint_diff
+++ b/.github/workflows/check_pylint_diff.sh
@@ -88,8 +88,8 @@ CURRENT_COMMIT=$(git rev-parse HEAD)
 if [ "$ARG1"  ]; then
     PREVIOUS_COMMIT=$(git merge-base HEAD "$ARG1")
 else
-    PREVIOUS_COMMIT=$(git show --pretty=raw HEAD |
-                      awk '/^parent /{ print $2; exit }')
+    PREVIOUS_COMMIT=$(git show -s --pretty=%P "$CURRENT_COMMIT")
+    # PREVIOUS_COMMIT=$(git show --pretty=raw HEAD | awk '/^parent /{ print $2; exit }')
 fi
 
 echo
diff --git a/.github/workflows/clean_up_job.yml b/.github/workflows/clean_up_job.yml
new file mode 100644
index 00000000000..90c2f400990
--- /dev/null
+++ b/.github/workflows/clean_up_job.yml
@@ -0,0 +1,14 @@
+name: Cleanup job
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Cleanup process
+        uses: rokroskar/workflow-run-cleanup-action@master
+        env:
+          GITHUB_TOKEN: ${{ secrets.BIOLAB_HELPER_TOKEN }}
+      if: !startsWith(github.ref, 'refs/tags/') && github.ref != 'refs/heads/master'
diff --git a/.github/workflows/doc_job.yml b/.github/workflows/doc_job.yml
new file mode 100644
index 00000000000..2f8931bf9c2
--- /dev/null
+++ b/.github/workflows/doc_job.yml
@@ -0,0 +1,35 @@
+name: Documentation
+
+on:
+  # Trigger the workflow on push or pull request, but only for the master branch
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: False
+      matrix:
+        python: [3.7]
+        os: [ubuntu-18.04]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: ${{ matrix.python }}
+
+      - name: Install linux system dependencies
+        run: sudo apt-get install -y libxkbcommon-x11-0
+
+      - name: Install Tox
+        run: pip install tox
+
+      - name: Build documentation
+        run:  xvfb-run -a -s "-screen 0 1280x1024x24" tox -e build_doc
diff --git a/.github/workflows/lint_job.yml b/.github/workflows/lint_job.yml
new file mode 100644
index 00000000000..3a52bb59ce6
--- /dev/null
+++ b/.github/workflows/lint_job.yml
@@ -0,0 +1,34 @@
+name: Lint Job
+
+on:
+  # Trigger the workflow on push or pull request, but only for the master branch
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: False
+      matrix:
+        python: [3.7]
+        os: [ubuntu-18.04]
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: '2'
+      - name: Setup Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: ${{ matrix.python }}
+
+      - name: Install Tox
+        run: pip install tox
+
+      - name: Run Pylint
+        run:  tox -e pylint-ci
diff --git a/.github/workflows/linux_job.yml b/.github/workflows/linux_job.yml
new file mode 100644
index 00000000000..24d3c6f195c
--- /dev/null
+++ b/.github/workflows/linux_job.yml
@@ -0,0 +1,64 @@
+name: Linux Job
+
+on:
+  # Trigger the workflow on push or pull request, but only for the master branch
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: False
+      matrix:
+        python: [3.6, 3.7]
+        os: [ubuntu-18.04]
+
+    services:
+      postgres:
+        image: orangedm/postgres:11
+        env:
+          POSTGRES_USER: postgres_user
+          POSTGRES_PASSWORD: postgres_password
+          POSTGRES_DB: postgres_db
+        ports:
+          - 5432:5432
+        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
+
+      SQLServer:
+        image: mcr.microsoft.com/mssql/server:2017-latest
+        env:
+          ACCEPT_EULA: Y
+          SA_PASSWORD: sqlServerPassw0rd
+        ports:
+          - 1433:1433
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: ${{ matrix.python }}
+
+      - name: Install linux system dependencies
+        run: sudo apt-get install -y libxkbcommon-x11-0  # for PyQt 5.12
+
+      - name: Install Tox
+        run: pip install tox
+
+      - name: Run Tox
+        run: xvfb-run -a -s "-screen 0 1280x1024x24" tox -e coverage
+        env:
+          ORANGE_TEST_DB_URI: postgres://postgres_user:postgres_password@localhost:5432/postgres_db|mssql://SA:sqlServerPassw0rd@localhost:1433
+
+      - name: Upload code coverage
+        if: matrix.python == '3.7'
+        run: |
+          pip install codecov
+          codecov
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index df2a119cd1e..00000000000
--- a/.travis.yml
+++ /dev/null
@@ -1,47 +0,0 @@
-language: python
-
-dist: xenial
-
-services:
-  - docker
-
-addons:
-    apt:
-        packages:
-            - libxkbcommon-x11-0  # for PyQt 5.12
-
-matrix:
-    include:
-        - env: RUN_PYLINT=true
-          python: '3.6'
-          cache: {}
-        - env: BUILD_DOCS=true
-          python: '3.6'
-          script: source $TRAVIS_BUILD_DIR/.travis/build_doc.sh
-        - python: '3.6'
-          env: UPLOAD_COVERAGE=true
-        - python: '3.7'
-    fast_finish: true
-
-cache:
-    apt: true
-    pip: true
-    ccache: true
-    directories:
-        - $TRAVIS_BUILD_DIR/postgres
-        - $TRAVIS_BUILD_DIR/pyqt
-
-before_cache:
-
-before_install:
-    - set -e  # fail on any error
-    - source $TRAVIS_BUILD_DIR/.travis/util.sh
-
-install:
-    - source $TRAVIS_BUILD_DIR/.travis/stage_install.sh
-
-script:
-    - source $TRAVIS_BUILD_DIR/.travis/stage_script.sh
-
-after_success:
-    - source $TRAVIS_BUILD_DIR/.travis/stage_after_success.sh
diff --git a/.travis/install_mssql.sh b/.travis/install_mssql.sh
deleted file mode 100755
index 81bb4a8c1ef..00000000000
--- a/.travis/install_mssql.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-sudo docker run -e 'ACCEPT_EULA=Y' -e 'SA_PASSWORD=YourStrong!Passw0rd' \
-   -p 1433:1433 -d microsoft/mssql-server-linux:2017-latest
-
-export PYMSSQL_BUILD_WITH_BUNDLED_FREETDS=1
-pip install "pymssql<3.0"
-
-export ORANGE_TEST_DB_URI="${ORANGE_TEST_DB_URI}|mssql://SA:YourStrong!Passw0rd@0.0.0.0:1433"
diff --git a/.travis/install_orange.sh b/.travis/install_orange.sh
deleted file mode 100644
index 959f119abb6..00000000000
--- a/.travis/install_orange.sh
+++ /dev/null
@@ -1,31 +0,0 @@
-foldable pip install -U setuptools pip codecov
-
-# Don't install PyQt5 if PyQt4 is requested
-[ "$PYQT4" ] && sed -i '/pyqt5/Id' requirements-doc.txt
-
-if [[ $TRAVIS_PYTHON_VERSION == 3.4 ]]; then pip install pandas==0.20.3; fi
-
-pip install numba==0.41.0 llvmlite==0.26.0
-
-# Install dependencies sequentially
-cat requirements-core.txt \
-    requirements-gui.txt \
-    requirements-dev.txt \
-    requirements-opt.txt \
-    requirements-doc.txt |
-    while read dep; do
-        dep="${dep%%#*}"  # Strip the comment
-        [ "$dep" ] &&
-            foldable pip install $dep
-    done
-
-# Create a source tarball from the git checkout
-foldable python setup.py sdist
-# Create a binary wheel from the packed source
-foldable pip wheel --no-deps -w dist dist/Orange3-*.tar.gz
-# Install into a testing folder
-ORANGE_DIR="$(pwd)"/build/travis-test
-mkdir -p "$ORANGE_DIR"
-pip install --no-deps --target "$ORANGE_DIR"  dist/Orange3-*.whl
-
-cd $TRAVIS_BUILD_DIR
diff --git a/.travis/install_postgres.sh b/.travis/install_postgres.sh
deleted file mode 100644
index d024e2472c7..00000000000
--- a/.travis/install_postgres.sh
+++ /dev/null
@@ -1,50 +0,0 @@
-VERSION=9.5.0
-POSTGRES=$TRAVIS_BUILD_DIR/postgres/$VERSION
-
-if [ ! "$(ls $POSTGRES)" ]; then
-    mkdir -p $POSTGRES
-    cd $POSTGRES
-
-    # Download PostgreSQL and extension sources
-    wget -O postgres.tar.bz2 https://ftp.postgresql.org/pub/source/v$VERSION/postgresql-$VERSION.tar.bz2
-    tar xjf postgres.tar.bz2 --strip-components=1
-
-    wget http://api.pgxn.org/dist/quantile/1.1.4/quantile-1.1.4.zip
-    unzip quantile-1.1.4.zip
-
-    # Build and install PostgreSQL
-    cd $POSTGRES
-    ./configure --prefix $POSTGRES
-    make install
-
-	# Build and install tsm_system_time extension
-	cd contrib/tsm_system_time
-	make install
-
-    # Add our PostgreSQL to PATH, so extensions know where to install.
-    export PATH=$POSTGRES/bin:$PATH
-
-    # Install quantile extension
-    cd $POSTGRES/quantile-1.1.4
-    make install
-
-    cd $TRAVIS_BUILD_DIR
-else
-    echo "Using cached PostgreSQL."
-fi
-
-# Create a new database dir, create database test and register extensions
-$POSTGRES/bin/initdb -D $TRAVIS_BUILD_DIR/db
-$POSTGRES/bin/postgres -D $TRAVIS_BUILD_DIR/db -p 12345 &
-# Kill postgres upon exit so Travis doesn't hang
-# https://github.com/travis-ci/travis-ci/issues/6861#issuecomment-262166676
-POSTGRES_PID=$!
-trap 'kill -INT $POSTGRES_PID' EXIT
-
-sleep 1
-$POSTGRES/bin/createdb -p 12345 test
-$POSTGRES/bin/psql test -c 'CREATE EXTENSION quantile;' -p 12345
-$POSTGRES/bin/psql test -c 'CREATE EXTENSION tsm_system_time;' -p 12345
-
-pip install psycopg2
-export ORANGE_TEST_DB_URI=postgres://localhost:12345/test
diff --git a/.travis/install_pyqt.sh b/.travis/install_pyqt.sh
deleted file mode 100644
index ef0cf224cd0..00000000000
--- a/.travis/install_pyqt.sh
+++ /dev/null
@@ -1,41 +0,0 @@
-if [ ! "$PYQT4" ]; then
-    foldable pip install sip 'pyqt5!=5.10,<5.14'  # 5.10 exhibits QTBUG-65235
-    # PyQt >= 5.12 distributes WebEngine separately
-    foldable pip install 'pyqtwebengine<5.14'
-    return $?;
-fi
-
-
-PYQT=$TRAVIS_BUILD_DIR/pyqt
-
-SIP_VERSION=4.16.9
-PYQT_VERSION=4.11.4
-
-if [ ! "$(ls $PYQT)" ]; then
-    mkdir -p $PYQT
-    cd $PYQT
-
-    wget -O sip.tar.gz http://sourceforge.net/projects/pyqt/files/sip/sip-$SIP_VERSION/sip-$SIP_VERSION.tar.gz
-    mkdir -p sip
-    tar xzf sip.tar.gz -C sip --strip-component=1
-
-    wget -O PyQt.tar.gz  http://sourceforge.net/projects/pyqt/files/PyQt4/PyQt-$PYQT_VERSION/PyQt-x11-gpl-$PYQT_VERSION.tar.gz
-    mkdir -p PyQt
-    tar xzf PyQt.tar.gz -C PyQt --strip-components=1
-
-    cd $PYQT/sip
-    python configure.py -e $PYQT/include
-    make
-    make install
-
-    cd $PYQT/PyQt
-    pwd
-    python configure.py --confirm-license --no-designer-plugin
-    make
-fi
-
-cd $PYQT/sip
-make install
-
-cd $PYQT/PyQt
-make install
diff --git a/.travis/stage_after_success.sh b/.travis/stage_after_success.sh
deleted file mode 100644
index 100f59622b0..00000000000
--- a/.travis/stage_after_success.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-
-[ "$RUN_PYLINT" ] && return 0  # Nothing to do
-
-if [ "$BUILD_DOCS" ] &&
-   [ $TRAVIS_REPO_SLUG = biolab/orange3 ] &&
-   [ $TRAVIS_PULL_REQUEST = false ]; then
-        source $TRAVIS_BUILD_DIR/.travis/upload_doc.sh
-        return 0
-fi
-
-if [ "$UPLOAD_COVERAGE" ]; then
-    cp $TRAVIS_BUILD_DIR/codecov.yml .
-    codecov
-fi
-
-cd $TRAVIS_BUILD_DIR
diff --git a/.travis/stage_install.sh b/.travis/stage_install.sh
deleted file mode 100644
index 5e08dbb5e7d..00000000000
--- a/.travis/stage_install.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-
-[ "$RUN_PYLINT" ] && return 0   # Nothing to do
-
-for script in \
-    install_orange.sh    \
-    install_postgres.sh  \
-    install_mssql.sh    \
-    install_pyqt.sh
-do
-    foldable source $TRAVIS_BUILD_DIR/.travis/$script
-done
diff --git a/.travis/stage_script.sh b/.travis/stage_script.sh
deleted file mode 100644
index 85b13c73883..00000000000
--- a/.travis/stage_script.sh
+++ /dev/null
@@ -1,37 +0,0 @@
-
-if [ "$RUN_PYLINT" ]; then
-    cd $TRAVIS_BUILD_DIR
-    foldable pip install -r requirements-dev.txt
-    foldable pip uninstall -y radon     # disable radon in favor of codeclimate
-    cp pylintrc ~/.pylintrc
-    .travis/check_pylint_diff
-    EXIT_CODE=$?
-    echo "Lint check returned ${EXIT_CODE}"
-    return ${EXIT_CODE}
-fi
-
-cd "$ORANGE_DIR"
-python -c "from Orange.tests import *"
-cp "$TRAVIS_BUILD_DIR"/.coveragerc ./  # for covereage and codecov
-export PYTHONPATH="$ORANGE_DIR" PYTHONUNBUFFERED=x
-
-# Screen must be 24bpp lest pyqt5 crashes, see pytest-dev/pytest-qt/35
-XVFBARGS="-screen 0 1280x1024x24"
-
-# Raise deprecations as errors in our tests
-export ORANGE_DEPRECATIONS_ERROR=y
-# Need this otherwise unittest installs a warning filter that overrides
-# our desire to have OrangeDeprecationWarnings raised
-export PYTHONWARNINGS=module
-
-# Compatibility with old workflows is tested separately
-catchsegv xvfb-run -a -s "$XVFBARGS" \
-    python -m unittest Orange.widgets.tests.test_workflows -v
-
-# Skip loading of example workflows as that inflates coverage
-export SKIP_EXAMPLE_WORKFLOWS=True
-catchsegv xvfb-run -a -s "$XVFBARGS" \
-    coverage run -m unittest -v \
-        Orange.tests \
-        Orange.widgets.tests
-coverage combine
diff --git a/.travis/upload_doc.sh b/.travis/upload_doc.sh
deleted file mode 100644
index ce63a17570e..00000000000
--- a/.travis/upload_doc.sh
+++ /dev/null
@@ -1,18 +0,0 @@
-cd "$TRAVIS_BUILD_DIR"
-
-# Decrypt private key
-openssl aes-256-cbc -K $encrypted_3fc26dee5a84_key -iv $encrypted_3fc26dee5a84_iv -in .travis/upload_doc_id -out .travis/key.private -d
-chmod 700 .travis/key.private
-
-# Upload the docs
-mkdir doc/orange3doc
-cp -r doc/data-mining-library/build/html doc/orange3doc/data-mining-library
-cp -r doc/development/build/html doc/orange3doc/development
-cp -r doc/visual-programming/build/html doc/orange3doc/visual-programming
-> ~/.ssh/config echo "
-Host biolab.si
-    StrictHostKeyChecking no
-    User uploaddocs
-    IdentityFile $TRAVIS_BUILD_DIR/.travis/key.private
-"
-rsync -a --delete doc/orange3doc/ biolab.si:/orange3doc/
diff --git a/.travis/upload_doc_id b/.travis/upload_doc_id
deleted file mode 100644
index 28d076e4f30..00000000000
Binary files a/.travis/upload_doc_id and /dev/null differ
diff --git a/.travis/util.sh b/.travis/util.sh
deleted file mode 100644
index d49390893fe..00000000000
--- a/.travis/util.sh
+++ /dev/null
@@ -1,14 +0,0 @@
-
-foldable ()
-{
-    # As documented in:
-    # https://github.com/travis-ci/travis-ci/issues/2158#issuecomment-42726890
-    # https://github.com/travis-ci/travis-ci/issues/2285#issuecomment-42724719
-    local _id="$RANDOM$RANDOM$RANDOM"
-    echo "travis_fold:start:$_id"
-    echo "$*"
-    "$@"
-    local _estatus="$?"
-    echo "travis_fold:end:$_id"
-    return $_estatus
-}
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index 3b258282962..00000000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,71 +0,0 @@
-# https://packaging.python.org/en/latest/appveyor/
-
-skip_commits:
-  files:
-    - doc/*
-    - .travis
-    - benchmark
-    - tutorials
-
-clone_depth: 30
-
-matrix:
-  fast_finish: true
-
-environment:
-  global:
-    PIP_DISABLE_PIP_VERSION_CHECK: 1
-    BUILD_ENV: wheel==0.29.0 pip~=19.0
-    # SIP 4.19.4+ with PyQt5==5.9.1+ segfault our tests (GH-2756)
-    TEST_ENV: sip==4.19.6 PyQt5==5.9.2 numpy>=1.16.0 scipy scikit-learn pandas==0.21.1 "pymssql<3.0"
-    ORANGE_TEST_DB_URI: 'mssql://sa:Password12!@localhost:1433'
-
-  matrix:
-    - PYTHON: C:\Python36-x64
-
-cache:
-  - '%LOCALAPPDATA%\pip\cache -> appveyor.yml'
-
-services:
-  - mssql2017
-
-install:
-  # Configure pip: Add extra links url, force binary numpy, scipy, ...
-  - echo [install]> pip.ini
-  - echo find-links =>> pip.ini
-  - echo     https://orange.biolab.si/download/files/wheelhouse/>> pip.ini
-  - echo only-binary = numpy,scipy,scikit-learn>> pip.ini
-  - set "PIP_CONFIG_FILE=%CD%\pip.ini"
-  - type %PIP_CONFIG_FILE%
-
-  - set "PATH=%PYTHON%;%PYTHON%\Scripts;%PATH%"
-  - python -m ensurepip
-  - python -m pip install pip~=19.0 wheel~=0.29.0
-  - python -m pip install %BUILD_ENV_INDEX% %BUILD_ENV%
-
-build_script:
-  - python -m pip list --format=freeze
-  - python setup.py clean --all
-  # get the package version
-  - for /f %%f in ('python setup.py --version') do ( set "VERSION=%%f" )
-  - python -m pip wheel --no-deps -w dist ./
-
-test_script:
-  - python -m venv --clear build\.test
-  - build\.test\Scripts\activate
-  - cd build\.test
-  # Pre-populate the test environment
-  - python -m pip install pip~=19.0 wheel~=0.29.0
-
-  - python -m pip install %TEST_ENV_INDEX% %TEST_ENV%
-  - python -m pip install -f ..\..\dist orange3==%VERSION%
-  - python -m pip list --format=freeze
-
-  # Raise OrangeDeprecationWarnings as errors
-  - set ORANGE_DEPRECATIONS_ERROR=1
-  - set PYTHONWARNINGS=module
-  - python -m unittest -b -v Orange.tests Orange.widgets.tests
-  - cd ..\..
-
-artifacts:
-  - path: dist\*.whl
diff --git a/tox.ini b/tox.ini
index 5564c77035a..dc5150d9e0b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -68,7 +68,7 @@ skip_install = true
 whitelist_externals = bash
 deps = pylint
 commands =
-    bash {toxinidir}/.travis/check_pylint_diff
+    bash .github/workflows/check_pylint_diff.sh
 
 [testenv:build_doc]
 changedir = {toxinidir}