Plotly

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Plotly",
  "description": "Online, free, graphing and spreadsheet tool",
  "version": "2.0",
  "app": {
    "urls": [
      "https://plot.ly/plot"
    ],
    "launch": {
      "web_url": "https://plot.ly/plot"
    }
  },
  "icons": {
    "128": "128.png"
  },
  "permissions": []
}