diff --git a/.Rbuildignore b/.Rbuildignore
index 398af60..a536ec8 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -1,2 +1,6 @@
 ^rtern\.Rproj$
 ^\.Rproj\.user$
+^LICENSE\.md$
+^\.travis\.yml$
+^\.github$
+^codecov\.yml$
diff --git a/.github/.gitignore b/.github/.gitignore
new file mode 100644
index 0000000..2d19fc7
--- /dev/null
+++ b/.github/.gitignore
@@ -0,0 +1 @@
+*.html
diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
new file mode 100644
index 0000000..76268f8
--- /dev/null
+++ b/.github/workflows/R-CMD-check.yaml
@@ -0,0 +1,106 @@
+# NOTE: This workflow is overkill for most R packages
+# check-standard.yaml is likely a better choice
+# usethis::use_github_action("check-standard") will install it.
+#
+# For help debugging build failures open an issue on the RStudio community with the 'github-actions' tag.
+# https://community.rstudio.com/new-topic?category=Package%20development&tags=github-actions
+on:
+  push:
+    branches:
+      - main
+      - master
+  pull_request:
+    branches:
+      - main
+      - master
+
+name: R-CMD-check
+
+jobs:
+  R-CMD-check:
+    runs-on: ${{ matrix.config.os }}
+
+    name: ${{ matrix.config.os }} (${{ matrix.config.r }})
+
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+          - {os: macOS-latest,   r: 'release'}
+          - {os: windows-latest, r: 'release'}
+          - {os: windows-latest, r: '3.6'}
+          - {os: ubuntu-16.04,   r: 'devel', rspm: "https://packagemanager.rstudio.com/cran/__linux__/xenial/latest", http-user-agent: "R/4.0.0 (ubuntu-16.04) R (4.0.0 x86_64-pc-linux-gnu x86_64 linux-gnu) on GitHub Actions" }
+          - {os: ubuntu-16.04,   r: 'release', rspm: "https://packagemanager.rstudio.com/cran/__linux__/xenial/latest"}
+          - {os: ubuntu-16.04,   r: 'oldrel',  rspm: "https://packagemanager.rstudio.com/cran/__linux__/xenial/latest"}
+          - {os: ubuntu-16.04,   r: '3.5',     rspm: "https://packagemanager.rstudio.com/cran/__linux__/xenial/latest"}
+          - {os: ubuntu-16.04,   r: '3.4',     rspm: "https://packagemanager.rstudio.com/cran/__linux__/xenial/latest"}
+          - {os: ubuntu-16.04,   r: '3.3',     rspm: "https://packagemanager.rstudio.com/cran/__linux__/xenial/latest"}
+
+    env:
+      R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
+      RSPM: ${{ matrix.config.rspm }}
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: r-lib/actions/setup-r@v1
+        with:
+          r-version: ${{ matrix.config.r }}
+          http-user-agent: ${{ matrix.config.http-user-agent }}
+
+      - uses: r-lib/actions/setup-pandoc@v1
+
+      - name: Query dependencies
+        run: |
+          install.packages('remotes')
+          saveRDS(remotes::dev_package_deps(dependencies = TRUE), ".github/depends.Rds", version = 2)
+          writeLines(sprintf("R-%i.%i", getRversion()$major, getRversion()$minor), ".github/R-version")
+        shell: Rscript {0}
+
+      - name: Cache R packages
+        if: runner.os != 'Windows'
+        uses: actions/cache@v2
+        with:
+          path: ${{ env.R_LIBS_USER }}
+          key: ${{ runner.os }}-${{ hashFiles('.github/R-version') }}-1-${{ hashFiles('.github/depends.Rds') }}
+          restore-keys: ${{ runner.os }}-${{ hashFiles('.github/R-version') }}-1-
+
+      - name: Install system dependencies
+        if: runner.os == 'Linux'
+        run: |
+          while read -r cmd
+          do
+            eval sudo $cmd
+          done < <(Rscript -e 'writeLines(remotes::system_requirements("ubuntu", "16.04"))')
+
+      - name: Install dependencies
+        run: |
+          remotes::install_deps(dependencies = TRUE)
+          remotes::install_cran("rcmdcheck")
+        shell: Rscript {0}
+
+      - name: Session info
+        run: |
+          options(width = 100)
+          pkgs <- installed.packages()[, "Package"]
+          sessioninfo::session_info(pkgs, include_base = TRUE)
+        shell: Rscript {0}
+
+      - name: Check
+        env:
+          _R_CHECK_CRAN_INCOMING_: false
+        run: rcmdcheck::rcmdcheck(args = c("--no-manual", "--as-cran"), error_on = "warning", check_dir = "check")
+        shell: Rscript {0}
+
+      - name: Show testthat output
+        if: always()
+        run: find check -name 'testthat.Rout*' -exec cat '{}' \; || true
+        shell: bash
+
+      - name: Upload check results
+        if: failure()
+        uses: actions/upload-artifact@main
+        with:
+          name: ${{ runner.os }}-r${{ matrix.config.r }}-results
+          path: check
diff --git a/.github/workflows/pkgdown.yaml b/.github/workflows/pkgdown.yaml
new file mode 100644
index 0000000..3c908d3
--- /dev/null
+++ b/.github/workflows/pkgdown.yaml
@@ -0,0 +1,48 @@
+on:
+  push:
+    branches:
+      - main
+      - master
+
+name: pkgdown
+
+jobs:
+  pkgdown:
+    runs-on: macOS-latest
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: r-lib/actions/setup-r@v1
+
+      - uses: r-lib/actions/setup-pandoc@v1
+
+      - name: Query dependencies
+        run: |
+          install.packages('remotes')
+          saveRDS(remotes::dev_package_deps(dependencies = TRUE), ".github/depends.Rds", version = 2)
+          writeLines(sprintf("R-%i.%i", getRversion()$major, getRversion()$minor), ".github/R-version")
+        shell: Rscript {0}
+
+      - name: Cache R packages
+        uses: actions/cache@v2
+        with:
+          path: ${{ env.R_LIBS_USER }}
+          key: ${{ runner.os }}-${{ hashFiles('.github/R-version') }}-1-${{ hashFiles('.github/depends.Rds') }}
+          restore-keys: ${{ runner.os }}-${{ hashFiles('.github/R-version') }}-1-
+
+      - name: Install dependencies
+        run: |
+          remotes::install_deps(dependencies = TRUE)
+          install.packages("pkgdown", type = "binary")
+        shell: Rscript {0}
+
+      - name: Install package
+        run: R CMD INSTALL .
+
+      - name: Deploy package
+        run: |
+          git config --local user.email "actions@github.com"
+          git config --local user.name "GitHub Actions"
+          Rscript -e 'pkgdown::deploy_to_branch(new_process = FALSE)'
diff --git a/.github/workflows/pr-commands.yaml b/.github/workflows/pr-commands.yaml
new file mode 100644
index 0000000..e5edf9f
--- /dev/null
+++ b/.github/workflows/pr-commands.yaml
@@ -0,0 +1,55 @@
+on:
+  issue_comment:
+    types: [created]
+name: Commands
+jobs:
+  document:
+    if: startsWith(github.event.comment.body, '/document')
+    name: document
+    runs-on: macOS-latest
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: r-lib/actions/pr-fetch@v1
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: r-lib/actions/setup-r@v1
+      - name: Install dependencies
+        run: Rscript -e 'install.packages(c("remotes", "roxygen2"))' -e 'remotes::install_deps(dependencies = TRUE)'
+      - name: Document
+        run: Rscript -e 'roxygen2::roxygenise()'
+      - name: commit
+        run: |
+          git config --local user.email "actions@github.com"
+          git config --local user.name "GitHub Actions"
+          git add man/\* NAMESPACE
+          git commit -m 'Document'
+      - uses: r-lib/actions/pr-push@v1
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+  style:
+    if: startsWith(github.event.comment.body, '/style')
+    name: style
+    runs-on: macOS-latest
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: r-lib/actions/pr-fetch@v1
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: r-lib/actions/setup-r@v1
+      - name: Install dependencies
+        run: Rscript -e 'install.packages("styler")'
+      - name: Style
+        run: Rscript -e 'styler::style_pkg()'
+      - name: commit
+        run: |
+          git config --local user.email "actions@github.com"
+          git config --local user.name "GitHub Actions"
+          git add \*.R
+          git commit -m 'Style'
+      - uses: r-lib/actions/pr-push@v1
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/test-coverage.yaml b/.github/workflows/test-coverage.yaml
new file mode 100644
index 0000000..5910c1a
--- /dev/null
+++ b/.github/workflows/test-coverage.yaml
@@ -0,0 +1,48 @@
+on:
+  push:
+    branches:
+      - main
+      - master
+  pull_request:
+    branches:
+      - main
+      - master
+
+name: test-coverage
+
+jobs:
+  test-coverage:
+    runs-on: macOS-latest
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: r-lib/actions/setup-r@v1
+
+      - uses: r-lib/actions/setup-pandoc@v1
+
+      - name: Query dependencies
+        run: |
+          install.packages('remotes')
+          saveRDS(remotes::dev_package_deps(dependencies = TRUE), ".github/depends.Rds", version = 2)
+          writeLines(sprintf("R-%i.%i", getRversion()$major, getRversion()$minor), ".github/R-version")
+        shell: Rscript {0}
+
+      - name: Cache R packages
+        uses: actions/cache@v2
+        with:
+          path: ${{ env.R_LIBS_USER }}
+          key: ${{ runner.os }}-${{ hashFiles('.github/R-version') }}-1-${{ hashFiles('.github/depends.Rds') }}
+          restore-keys: ${{ runner.os }}-${{ hashFiles('.github/R-version') }}-1-
+
+      - name: Install dependencies
+        run: |
+          install.packages(c("remotes"))
+          remotes::install_deps(dependencies = TRUE)
+          remotes::install_cran("covr")
+        shell: Rscript {0}
+
+      - name: Test coverage
+        run: covr::codecov()
+        shell: Rscript {0}
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..83c32a4
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,2 @@
+YEAR: 2021
+COPYRIGHT HOLDER: rtern authors
diff --git a/LICENSE.md b/LICENSE.md
new file mode 100644
index 0000000..74ecfd6
--- /dev/null
+++ b/LICENSE.md
@@ -0,0 +1,21 @@
+# MIT License
+
+Copyright (c) 2021 rtern authors
+
+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/README.md b/README.md
new file mode 100644
index 0000000..32fb687
--- /dev/null
+++ b/README.md
@@ -0,0 +1,27 @@
+
+# rtern
+
+<!-- badges: start -->
+[![R-CMD-check](https://github.com/hedscan/rtern/workflows/R-CMD-check/badge.svg)](https://github.com/hedscan/rtern/actions)
+[![Codecov test coverage](https://codecov.io/gh/hedscan/rtern/branch/master/graph/badge.svg)](https://codecov.io/gh/hedscan/rtern?branch=master)
+<!-- badges: end -->
+
+The goal of rtern is to ...
+
+## Installation
+
+You can install the released version of rtern from [CRAN](https://CRAN.R-project.org) with:
+
+``` r
+install.packages("rtern")
+```
+
+## Example
+
+This is a basic example which shows you how to solve a common problem:
+
+``` r
+library(rtern)
+## basic example code
+```
+
diff --git a/codecov.yml b/codecov.yml
new file mode 100644
index 0000000..04c5585
--- /dev/null
+++ b/codecov.yml
@@ -0,0 +1,14 @@
+comment: false
+
+coverage:
+  status:
+    project:
+      default:
+        target: auto
+        threshold: 1%
+        informational: true
+    patch:
+      default:
+        target: auto
+        threshold: 1%
+        informational: true
diff --git a/inst/WORDLIST b/inst/WORDLIST
new file mode 100644
index 0000000..4f4ddb8
--- /dev/null
+++ b/inst/WORDLIST
@@ -0,0 +1,9 @@
+CMD
+Codecov
+Hadley
+Kaggle
+Wickham
+ifelse
+leaderboards
+repos
+vectorized
diff --git a/tests/spelling.R b/tests/spelling.R
new file mode 100644
index 0000000..6713838
--- /dev/null
+++ b/tests/spelling.R
@@ -0,0 +1,3 @@
+if(requireNamespace('spelling', quietly = TRUE))
+  spelling::spell_check_test(vignettes = TRUE, error = FALSE,
+                             skip_on_cran = TRUE)
diff --git a/tests/testthat.R b/tests/testthat.R
new file mode 100644
index 0000000..ca0ea43
--- /dev/null
+++ b/tests/testthat.R
@@ -0,0 +1,4 @@
+library(testthat)
+library(rtern)
+
+test_check("rtern")