Who are Kleros competitors?

Who exactly are the main competitors of Kleros in the blockchain dispute resolution space? Are there any established players that offer similar decentralized arbitration services? Or are there up-and-coming projects that are attempting to carve out their own niche in this burgeoning market? Additionally, how does Kleros differentiate itself from its competitors in terms of features, scalability, and overall user experience? Understanding the competitive landscape is crucial for assessing the long-term potential of this innovative project.