Handy well-known and lesser-known tools for Go projects

It's common to see web applications that let you log in through third-party services. "Sign in with Google" is particularly popular; on developer-oriented websites, "Sign in with GitHub" also pops up quite a bit. In this post, I want to briefly explore OAuth - the technology that enables these delegated logins, and present some ways to integrate GitHub login in your Go service.

pdfcpu is a PDF processing library written in Go supporting encryption. It provides both an API and a CLI. Supported are all versions up to PDF 1.7 (ISO-32000).

Use OSV-Scanner to find existing vulnerabilities affecting your project's dependencies.

This article describes an experimental extension to the Go language: range over func. The design of Go iterators is evolving, and this tutorial is a work in progress, so don’t forget to check back later for the latest developments.

Simple CLI app for checking SSL certificates written in Go

We'll implement two key components of Raft in this post (leader election and log replication). Around 1k lines of Go. It took me around 7 months of sporadic studying to come to (what I hope is) an understanding of the basics.

betteralign is a tool to detect structs that would use less memory if their fields were sorted and optionally sort such fields.

Go 1.22 is out, and you can try many of its features without leaving your browser. Read on and see!

Learn to build a JSON parser in Go: Mastering lexer and AST for advanced data interpretation.

In this article, I will introduce you to a new package called astjson that I have been working on for the last couple of weeks. It is a Go package that allows you to transform and merge JSON objects with unmatched speed. It is based on the jsonparser package by buger aka Leonid Bugaev and extends it with the ability to transform and merge JSON objects at unparalleled performance.

gomock is a mocking framework for the Go programming language. It integrates well with Go's built-in testing package, but can be used in other contexts too.