Lithium is described as 'Engages your social customers with super-fun (okay, habit-forming) community experiences. And we do it for all your social customers—online and mobile. We help you find them, find their passions, and motivate them to participate so you can all make good things happen for' and is an website in the business & commerce category. There are more than 10 alternatives to Lithium, not only websites but also apps for a variety of platforms, including SaaS, Self-Hosted, Android and iPhone apps. The best Lithium alternative is Discourse. It's not free, so if you're looking for a free alternative, you could try Discourse or HumHub. Other great sites and apps similar to Lithium are Brand24, Instaforum, Thredded and SociableKIT.