I posted this a year and a half ago but got no response. Trying again now as RoughJS is currently trending, and there might be some interest. Would love to know what people think of hand-drawn style timelines.

Credit to Preet Shihn (https://news.ycombinator.com/user?id=shihn) for creating the RoughJS library (https://roughjs.com) that enabled us to achieve the "hand-drawn" look for the timelines.