What plugin is similar to serum?

I'm wondering if you could help me find a plugin that's similar to Serum. I've been using Serum for quite some time now and I love its features, but I'm curious to see if there are any other options out there that offer similar functionality. Are there any plugins that you're aware of that are comparable to Serum in terms of their capabilities and ease of use? I'd really appreciate your insights on this matter.