Randy Ingermanson, “the snowflake guy,” runs the Advanced Fiction Writing site. There, he details his snowflake method for outlining/drafting a novel, which is what he is most well-known for.
He provides some free tools, including the snowflake method and an e-zine.
If it seems like the snowflake method might work for you, he offers a software program based on the steps. That part you have to pay to get.
May the Muse be with you,