diff --git a/.appveyor.yml b/.appveyor.yml
new file mode 100644
index 0000000..a6de9a0
--- /dev/null
+++ b/.appveyor.yml
@@ -0,0 +1,31 @@
+# Documentation: https://github.com/JuliaCI/Appveyor.jl
+environment:
+  matrix:
+    - julia_version: 1.0
+    - julia_version: 1.4
+    - julia_version: nightly
+platform:
+  - x64
+  - x86
+cache:
+  - '%USERPROFILE%\.julia\artifacts'
+matrix:
+  allow_failures:
+    - julia_version: nightly
+branches:
+  only:
+    - master
+    - /release-.*/
+notifications:
+  - provider: Email
+    on_build_success: false
+    on_build_failure: false
+    on_build_status_changed: false
+install:
+  - ps: iex ((new-object net.webclient).DownloadString("https://raw.githubusercontent.com/JuliaCI/Appveyor.jl/version-1/bin/install.ps1"))
+build_script:
+  - echo "%JL_BUILD_SCRIPT%"
+  - C:\julia\bin\julia -e "%JL_BUILD_SCRIPT%"
+test_script:
+  - echo "%JL_TEST_SCRIPT%"
+  - C:\julia\bin\julia -e "%JL_TEST_SCRIPT%"
diff --git a/.github/workflows/CompatHelper.yml b/.github/workflows/CompatHelper.yml
new file mode 100644
index 0000000..dadc755
--- /dev/null
+++ b/.github/workflows/CompatHelper.yml
@@ -0,0 +1,14 @@
+name: CompatHelper
+on:
+  schedule:
+    - cron: 0 0 * * *
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Pkg.add("CompatHelper")
+        run: julia -e 'using Pkg; Pkg.add("CompatHelper")'
+      - name: CompatHelper.main()
+        run: julia -e 'using CompatHelper; CompatHelper.main()'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/TagBot.yml b/.github/workflows/TagBot.yml
new file mode 100644
index 0000000..dd911f3
--- /dev/null
+++ b/.github/workflows/TagBot.yml
@@ -0,0 +1,11 @@
+name: TagBot
+on:
+  schedule:
+    - cron: 0 0 * * *
+jobs:
+  TagBot:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: JuliaRegistries/TagBot@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ba39cc5
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+Manifest.toml
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..c1945b0
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,25 @@
+# Documentation: http://docs.travis-ci.com/user/languages/julia
+language: julia
+notifications:
+  email: false
+julia:
+  - 1.0
+  - 1.4
+  - nightly
+os:
+  - linux
+  - osx
+  - windows
+arch:
+  - x64
+  - x86
+cache:
+  directories:
+    - ~/.julia/artifacts
+jobs:
+  fast_finish: true
+  allow_failures:
+    - julia: nightly
+  exclude:
+    - arch: x86
+      os: osx
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..b23a911
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Lionel Zoubritzky lionel.zoubritzky@gmail.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/Project.toml b/Project.toml
new file mode 100644
index 0000000..0d7ab53
--- /dev/null
+++ b/Project.toml
@@ -0,0 +1,13 @@
+name = "PeriodicGraphs"
+uuid = "18c5b727-b240-4874-878a-f2e242435bab"
+authors = ["Lionel Zoubritzky lionel.zoubritzky@gmail.com"]
+version = "0.1.0"
+
+[compat]
+julia = "1"
+
+[extras]
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+
+[targets]
+test = ["Test"]
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..c3c8d6e
--- /dev/null
+++ b/README.md
@@ -0,0 +1,4 @@
+# PeriodicGraphs
+
+[![Build Status](https://travis-ci.com/Liozou/PeriodicGraphs.jl.svg?branch=master)](https://travis-ci.com/Liozou/PeriodicGraphs.jl)
+[![Build Status](https://ci.appveyor.com/api/projects/status/github/Liozou/PeriodicGraphs.jl?svg=true)](https://ci.appveyor.com/project/Liozou/PeriodicGraphs-jl)
diff --git a/src/PeriodicGraphs.jl b/src/PeriodicGraphs.jl
new file mode 100644
index 0000000..7ce0b33
--- /dev/null
+++ b/src/PeriodicGraphs.jl
@@ -0,0 +1,5 @@
+module PeriodicGraphs
+
+# Write your package code here.
+
+end
diff --git a/test/runtests.jl b/test/runtests.jl
new file mode 100644
index 0000000..93f51ea
--- /dev/null
+++ b/test/runtests.jl
@@ -0,0 +1,6 @@
+using PeriodicGraphs
+using Test
+
+@testset "PeriodicGraphs.jl" begin
+    # Write your tests here.
+end