Archium.io might be a bit more popular than Gallery. We know about 1 link to it since March 2021 and only 1 link to Gallery. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Gallery but dunno if it's still developed. I think the OS patches will still be current though. http://galleryproject.org/. Source: over 2 years ago
I got sick of tying to keep microservices architecture diagrams up to date in my last job, so I quit and created a product that draws them automatically by reverse-engineering distributed tracing 👉 https://archium.io/. Source: about 2 years ago
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