Go gRPC Middlewares: interceptor chaining, auth, logging, retries and more

Prometheus monitoring for gRPC Go servers

gRPC to JSON proxy generator for Golang -- sources

expressive vendor-neutral APIs for distributed tracing and context propagation

copy & paste-friendly golang crypto

Cucumber BDD-style testing for Go -- source

Make lightweight ASCII line graph in CLI apps with no other dependencies

Path parsing for segment unmarshaling and slicing

flexibly pool among multiple hosts from Go application

Go package that finds and parses GitHub CODEOWNERS files

random color generator

Native Go bindings for the FUSE kernel module

CGO bindings for libusb

official Go client for HashiCorp's Atlas

Errwrap is a Go (golang) library for wrapping and querying errors

generic boolean expression evaluation in Golang

Go Checkpoint Client

Functions for accessing "clean" Go http.Client values

discover nodes in cloud environments

Minimal environment variable parser for Go (library)

common code shared by GCP-maintained plugins

download from a URL using a variety of protocols

common logging package for HashiCorp tools

immutable radix tree implementation in Golang

Golang LRU cache

in-memory database built on immutable radix trees

encode/decode and rpc library for msgpack and Binc

Go package for representing a list of errors as a single error

Golang plugin system over RPC

chunking middleware for use by Raft clients

child process reaping utilities for Go

retryable HTTP client in Go

functions for loading root certificates for TLS connections

Functions for working safely with temporary files and directories

functions to create slug archives

IP address/UNIX socket convenience functions for Go

Golang syslog wrapper, cross-compile friendly

generate UUID-format strings using high quality random bytes

library for parsing and verifying versions and version constraints

Go implementation of HashiCorp Configuration Language

Go implementation of HashiCorp Configuration Language (version 2)

small embedded language for string interpolations

Utilities for slightly better logging in Go

simple mDNS client/server library in Golang

Golang package for gossip based membership and failure detection

Library for creating Go RPC client/server

Raft backend implementation using BoltDB

implementation of the Raft consensus protocol

Golang client to the HashiCorp SCADA system

Service orchestration and management tool (source)