High performance, extensible, minimalist Go web framework
https://github.com/labstack/echo
web framework written in Go (Golang)
https://gin-gonic.com/ja/docs/
https://github.com/gin-gonic/gin
Building GraphQL servers in golang
https://gqlgen.com/getting-started/
https://github.com/99designs/gqlgen
https://grpc.io/docs/languages/go/quickstart/
https://github.com/grpc/grpc-web/tree/master/net/grpc/gateway/examples/helloworld