diff --git a/.github/workflows/cron.yaml b/.github/workflows/cron.yaml
new file mode 100644
index 0000000..cae5ec5
--- /dev/null
+++ b/.github/workflows/cron.yaml
@@ -0,0 +1,42 @@
+# Run a nightly test against unpinned conda environment
+name: Cron
+
+on:
+  schedule:
+    - cron: "0 0 * * *"
+
+jobs:
+  test:
+    name: ${{ matrix.CONDA_ENV }}-test
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        CONDA_ENV: [unpinned, upstream]    
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup Miniconda
+        uses: conda-incubator/setup-miniconda@v2
+        with:
+          auto-update-conda: true
+          auto-activate-base: false
+          activate-environment: test_env
+          environment-file: ci/environment-${{ matrix.CONDA_ENV }}.yml
+
+      - name: Development Install intake-xarray
+        shell: bash -l {0}
+        run: |
+          python -m pip install --no-deps -e .
+          conda list
+
+      - name: Run Tests
+        shell: bash -l {0}
+        run: |
+          pytest --verbose --ignore=intake_xarray/tests/test_network.py
+
+      - name: Run Tests Requiring Network Connection
+        shell: bash -l {0}
+        run: |
+          pytest --verbose intake_xarray/tests/test_network.py
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index 1a8ef61..0000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,35 +0,0 @@
-# Based on bokeh appveyor set up
-build: false
-
-platform:
-  - x64
-
-environment:
-  matrix:
-    - MINICONDA: C:\Miniconda36-x64
-      CONDA_ENV: py36
-    - MINICONDA: C:\Miniconda36-x64
-      CONDA_ENV: py36-defaults
-
-matrix:
-  allow_failures:
-    - CONDA_ENV: py36-defaults
-
-
-skip_branch_with_pr: true
-clone_depth: 5
-skip_tags: true
-
-init:
-  - cmd: set PATH=%MINICONDA%;%MINICONDA%\\Scripts;%MINICONDA%\\Library\\bin;%PATH%
-  - cmd: echo %path%
-
-install:
-  - powershell .\\ci\\appveyor\\install.ps1
-  - "conda env create -n test_env --file ./ci/environment-%CONDA_ENV%.yml"
-  - "activate test_env"
-  - "python setup.py install"
-  - "conda list"
-
-test_script:
-  - "pytest --verbose"
diff --git a/ci/appveyor/build.ps1 b/ci/appveyor/build.ps1
deleted file mode 100644
index 5254910..0000000
--- a/ci/appveyor/build.ps1
+++ /dev/null
@@ -1,7 +0,0 @@
-function build(){
-    conda install -c conda-forge conda-build conda-verify jinja2 intake>=0.4.1 xarray>=0.11.0 zarr dask netcdf4
-    conda list
-    conda build -c conda-forge ./conda
-}
-
-build
\ No newline at end of file
diff --git a/ci/appveyor/install.ps1 b/ci/appveyor/install.ps1
deleted file mode 100644
index cd19c3a..0000000
--- a/ci/appveyor/install.ps1
+++ /dev/null
@@ -1,5 +0,0 @@
-function install() {
-    conda config --set auto_update_conda off --set always_yes yes --set changeps1 no --set show_channel_urls true
-}
-
-install
\ No newline at end of file
diff --git a/ci/appveyor/test.ps1 b/ci/appveyor/test.ps1
deleted file mode 100644
index ffe8d47..0000000
--- a/ci/appveyor/test.ps1
+++ /dev/null
@@ -1,9 +0,0 @@
-function test() {
-    conda env create -n test_env --file ci/environment-py36.yml
-    source activate test_env
-    conda list
-    pip install --no-deps -e .
-    pytest --verbose
-}
-
-test
\ No newline at end of file
diff --git a/ci/environment-unpinned.yml b/ci/environment-unpinned.yml
new file mode 100644
index 0000000..980f8d5
--- /dev/null
+++ b/ci/environment-unpinned.yml
@@ -0,0 +1,22 @@
+name: test_env
+channels:
+  - conda-forge
+dependencies:
+  - python
+  - aiohttp
+  - boto3
+  - flask
+  - h5netcdf
+  - intake
+  - netcdf4
+  - pip
+  - pydap
+  - pytest
+  - rasterio
+  - s3fs
+  - scikit-image
+  - xarray
+  - zarr
+  - pip:
+       - rangehttpserver
+       - moto[s3]
diff --git a/ci/travis/install.sh b/ci/travis/install.sh
deleted file mode 100644
index 26ed4ea..0000000
--- a/ci/travis/install.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/bash
-set -e # exit on error
-
-echo "Configuring conda"
-conda config --set auto_update_conda off --set always_yes yes --set changeps1 no --set show_channel_urls true
diff --git a/ci/travis/test.sh b/ci/travis/test.sh
deleted file mode 100755
index 5dd4be5..0000000
--- a/ci/travis/test.sh
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/bin/bash
-set -e # exit on error
-set -x
-
-echo "Creating test env"
-conda env create -n test_env --file ci/environment-${CONDA_ENV}.yml
-source activate test_env
-# dev versions
-pip install git+https://github.com/intake/filesystem_spec --no-deps
-pip install git+https://github.com/intake/intake --no-deps
-conda list
-
-echo "Installing intake_xarray."
-pip install --no-deps -e .
-
-echo "Running tests"
-pytest --verbose