ExIcal 
Not ready yet!
iCalendar parser for Elixir.
Installation
Add ex_ical to your list of dependencies in mix.exs:
def deps do
[{:ex_ical, "~> 0.1.0"}]
endUsage
HTTPotion.get("url-for-icalendar").body
|> ExIcal.parse
|> ExIcal.by_range(Date.now, Date.now |> Date.shift(days: 7))