Sidekiq is an excellent library, and a great model for open-source monetization.
Avoid hostile/nonfree licensing provisions that restrict commercial use or "require corporations to pay up". Instead, create real value in diversified offerings built upon the OSS project (which is in no way artificially limited). Sidekiq is a gift, Sidekiq Pro & Enterprise are products.
Offer paid features, support, SLAs, etc that really appeal to "enterprise" use-cases. Trust that users will convert as their need for such functionality is justified by their businesses' growth and scale.
Avoid hostile/nonfree licensing provisions that restrict commercial use or "require corporations to pay up". Instead, create real value in diversified offerings built upon the OSS project (which is in no way artificially limited). Sidekiq is a gift, Sidekiq Pro & Enterprise are products.
Offer paid features, support, SLAs, etc that really appeal to "enterprise" use-cases. Trust that users will convert as their need for such functionality is justified by their businesses' growth and scale.