Sidekiq
Background job processing for Ruby, open source with paid Pro and Enterprise editions
Revenue
Revenue for a fiscal year or the trailing 12 months
$70,000
Public sourceas of Oct 2013
“Perham says he sold roughly 140 Sidekiq Pro licenses for $70K in its first year.”
Stated publicly by the company or founder. We link the source and its date.
About
Sidekiq is a widely used background job framework for Ruby applications. Creator Mike Perham runs it through Contributed Systems as an open-core business, selling commercial Pro and Enterprise editions alongside the free open-source library.