diff --git a/cran.csv b/cran.csv
new file mode 100644
index 0000000..db209f1
--- /dev/null
+++ b/cran.csv
@@ -0,0 +1,51 @@
+cran,github,repo
+https://cran.r-project.org/web/packages/xts/index.html,https://github.com/joshuaulrich/xts,joshuaulrich/xts
+https://cran.r-project.org/web/packages/data.table/index.html,https://github.com/Rdatatable/data,Rdatatable/data
+https://cran.r-project.org/web/packages/tseries/index.html,,
+https://cran.r-project.org/web/packages/zoo/index.html,,
+https://cran.r-project.org/web/packages/tis/index.html,,
+https://cran.r-project.org/web/packages/tfplot/index.html,,
+https://cran.r-project.org/web/packages/tframe/index.html,,
+https://cran.r-project.org/web/packages/IBrokers/index.html,,
+https://cran.r-project.org/web/packages/Rblpapi/index.html,https://github.com/Rblp/Rblpapi,Rblp/Rblpapi
+https://cran.r-project.org/web/packages/Rbitcoin/index.html,https://github.com/jangorecki/Rbitcoin,jangorecki/Rbitcoin
+https://cran.r-project.org/web/packages/GetTDData/index.html,https://github.com/msperlin/GetTDData,msperlin/GetTDData
+https://cran.r-project.org/web/packages/GetHFData/index.html,,
+https://cran.r-project.org/package=td,https://github.com/eddelbuettel/td,eddelbuettel/td
+https://cran.r-project.org/web/packages/quantmod/index.html,https://github.com/joshuaulrich/quantmod,joshuaulrich/quantmod
+https://cran.r-project.org/web/packages/fAsianOptions/index.html,,
+https://cran.r-project.org/web/packages/fAssets/index.html,,
+https://cran.r-project.org/web/packages/fBasics/index.html,,
+https://cran.r-project.org/web/packages/fBonds/index.html,,
+https://cran.r-project.org/web/packages/fExoticOptions/index.html,,
+https://cran.r-project.org/web/packages/fOptions/index.html,,
+https://cran.r-project.org/web/packages/fPortfolio/index.html,,
+https://cran.r-project.org/web/packages/portfolio/index.html,https://github.com/dgerlanc/portfolio,dgerlanc/portfolio
+https://cran.r-project.org/web/packages/portfolioSim/index.html,,
+https://cran.r-project.org/web/packages/sde/index.html,,
+https://cran.r-project.org/web/packages/YieldCurve/index.html,,
+https://cran.r-project.org/web/packages/SmithWilsonYieldCurve/index.html,,
+https://cran.r-project.org/web/packages/ycinterextra/index.html,,
+https://cran.r-project.org/web/packages/AmericanCallOpt/index.html,,
+https://cran.r-project.org/web/packages/VarSwapPrice/index.html,,
+https://cran.r-project.org/web/packages/RND/index.html,,
+https://cran.r-project.org/web/packages/LSMonteCarlo/index.html,,
+https://cran.r-project.org/web/packages/OptHedging/index.html,,
+https://cran.r-project.org/web/packages/tvm/index.html,,
+https://cran.r-project.org/web/packages/OptionPricing/index.html,,
+https://cran.r-project.org/web/packages/credule/index.html,https://github.com/blenezet/credule,blenezet/credule
+https://cran.r-project.org/web/packages/derivmkts/index.html,,
+https://cran.r-project.org/web/packages/PortfolioAnalytics/PortfolioAnalytics.pdf,,
+https://cran.r-project.org/web/packages/backtest/index.html,,
+https://cran.r-project.org/web/packages/pa/index.html,,
+https://cran.r-project.org/web/packages/TTR/index.html,https://github.com/joshuaulrich/TTR,joshuaulrich/TTR
+https://cran.r-project.org/web/packages/PerformanceAnalytics/index.html,https://github.com/braverock/PerformanceAnalytics,braverock/PerformanceAnalytics
+https://cran.r-project.org/web/packages/tseries/index.html,,
+https://cran.r-project.org/web/packages/zoo/index.html,,
+https://cran.r-project.org/web/packages/xts/index.html,https://github.com/joshuaulrich/xts,joshuaulrich/xts
+https://cran.r-project.org/web/packages/fGarch/index.html,,
+https://cran.r-project.org/web/packages/timeSeries/index.html,,
+https://cran.r-project.org/web/packages/rugarch/index.html,,
+https://cran.r-project.org/web/packages/rmgarch/index.html,https://github.com/alexiosg/rmgarch,alexiosg/rmgarch
+https://cran.r-project.org/web/packages/timeDate/index.html,,
+https://cran.r-project.org/web/packages/bizdays/index.html,https://github.com/wilsonfreitas/R-bizdays,wilsonfreitas/R-bizdays
diff --git a/cranscrape.py b/cranscrape.py
new file mode 100644
index 0000000..45b0eee
--- /dev/null
+++ b/cranscrape.py
@@ -0,0 +1,73 @@
+
+import requests
+import re
+import pandas as pd
+
+reu = re.compile('https://github.com/([\w-]+/[\w-]+)')
+
+url = 'https://cran.r-project.org/web/packages/xts/index.html'
+
+urls = [
+    'https://cran.r-project.org/web/packages/xts/index.html',
+    'https://cran.r-project.org/web/packages/data.table/index.html',
+    'https://cran.r-project.org/web/packages/tseries/index.html',
+    'https://cran.r-project.org/web/packages/zoo/index.html',
+    'https://cran.r-project.org/web/packages/tis/index.html',
+    'https://cran.r-project.org/web/packages/tfplot/index.html',
+    'https://cran.r-project.org/web/packages/tframe/index.html',
+    'https://cran.r-project.org/web/packages/IBrokers/index.html',
+    'https://cran.r-project.org/web/packages/Rblpapi/index.html',
+    'https://cran.r-project.org/web/packages/Rbitcoin/index.html',
+    'https://cran.r-project.org/web/packages/GetTDData/index.html',
+    'https://cran.r-project.org/web/packages/GetHFData/index.html',
+    'https://cran.r-project.org/package=td',
+    'https://cran.r-project.org/web/packages/quantmod/index.html',
+    'https://cran.r-project.org/web/packages/fAsianOptions/index.html',
+    'https://cran.r-project.org/web/packages/fAssets/index.html',
+    'https://cran.r-project.org/web/packages/fBasics/index.html',
+    'https://cran.r-project.org/web/packages/fBonds/index.html',
+    'https://cran.r-project.org/web/packages/fExoticOptions/index.html',
+    'https://cran.r-project.org/web/packages/fOptions/index.html',
+    'https://cran.r-project.org/web/packages/fPortfolio/index.html',
+    'https://cran.r-project.org/web/packages/portfolio/index.html',
+    'https://cran.r-project.org/web/packages/portfolioSim/index.html',
+    'https://cran.r-project.org/web/packages/sde/index.html',
+    'https://cran.r-project.org/web/packages/YieldCurve/index.html',
+    'https://cran.r-project.org/web/packages/SmithWilsonYieldCurve/index.html',
+    'https://cran.r-project.org/web/packages/ycinterextra/index.html',
+    'https://cran.r-project.org/web/packages/AmericanCallOpt/index.html',
+    'https://cran.r-project.org/web/packages/VarSwapPrice/index.html',
+    'https://cran.r-project.org/web/packages/RND/index.html',
+    'https://cran.r-project.org/web/packages/LSMonteCarlo/index.html',
+    'https://cran.r-project.org/web/packages/OptHedging/index.html',
+    'https://cran.r-project.org/web/packages/tvm/index.html',
+    'https://cran.r-project.org/web/packages/OptionPricing/index.html',
+    'https://cran.r-project.org/web/packages/credule/index.html',
+    'https://cran.r-project.org/web/packages/derivmkts/index.html',
+    'https://cran.r-project.org/web/packages/PortfolioAnalytics/PortfolioAnalytics.pdf',
+    'https://cran.r-project.org/web/packages/backtest/index.html',
+    'https://cran.r-project.org/web/packages/pa/index.html',
+    'https://cran.r-project.org/web/packages/TTR/index.html',
+    'https://cran.r-project.org/web/packages/PerformanceAnalytics/index.html',
+    'https://cran.r-project.org/web/packages/tseries/index.html',
+    'https://cran.r-project.org/web/packages/zoo/index.html',
+    'https://cran.r-project.org/web/packages/xts/index.html',
+    'https://cran.r-project.org/web/packages/fGarch/index.html',
+    'https://cran.r-project.org/web/packages/timeSeries/index.html',
+    'https://cran.r-project.org/web/packages/rugarch/index.html',
+    'https://cran.r-project.org/web/packages/rmgarch/index.html',
+    'https://cran.r-project.org/web/packages/timeDate/index.html',
+    'https://cran.r-project.org/web/packages/bizdays/index.html',
+]
+
+def get_data(url):
+  res = requests.get(url)
+  m = reu.search(res.text)
+  if m:
+    return dict(cran=url, github=m.group(0), repo=m.group(1))
+  else:
+    return dict(cran=url, github='', repo='')
+
+all_data = [get_data(url) for url in urls]
+df = pd.DataFrame(all_data)
+df.to_csv('cran.csv', index=False)