I made a little tool a while back for splitting up your follows by their posting frequency, but setting "nlists" to 1 should accomplish what you asked for. You

I made a little tool a while back for splitting up your follows by their posting frequency, but setting "nlists" to 1 should accomplish what you asked for. You do unfortunately need a twitter developer account. Also fair warning, as far as I know I'm the only current user, but works on my machine™. https://github.com/tauroid/twitterlanes https://github.com/tauroid/twitterlanes