... I send out a list of most interesting libraries and apps in the "Go" section to about 1100 subscribers.
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Swagger 2.0 implementation for go
The Go language implementation of gRPC. HTTP/2 based RPC
Type-safe Redis client for Golang
Go MySQL Driver is a MySQL driver for Go's (golang) database/sql package
Sarama is a Go library for Apache Kafka 0.8, and up.
Go client for Redis
Keybase Go Library, Client, Service, OS X, iOS, Android, Electron
Confluent's Apache Kafka Golang client
AWS SDK for the Go programming language.