metago uses Go-style templates with some constructs to allow metaprogramming (via code generation) for Go. I would generally prefer to reach for codegen as a last resort, but sometimes it’s the best model (and certain classes of Go projects do it regularly).
Palmier is a video editor with an MCP server integrated plus in-app chat to do AI-based edits and generations right on your timeline. Free unless you want the generation features.
gsxhq/gsxui is “shadcn-style components for gsx”, where gsx is like JSX but for Go. Interesting alternative to templ.