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Freeze: Generate Images of Code and Terminal Output — From the purveyors of fine Go-powered libraries and CLI tools like Bubble Tea, Huh and Wish comes Freeze, a fresh way to create images of code and/or terminal output in PNG, SVG or WebP format.

Building an Interactive Shell in Go — From the folks working on the Dolt database (which includes a CLI to take SQL queries and feed them to the database) comes a guide to creating a CLI that’s intuitive and includes features like command history and autocompletion. ishell is their library of choice.

▶  Discussing Debugging in Go — In the latest Go Time episode, Matt Boyle, Bill Kennedy and Jon Calhoun discuss debugging techniques. Bill explains why he doesn’t like his developers to use the debugger, and how he prefers to only use techniques available in production.

Brute Force Text Search Optimizations — If you’ve got a lot of textual data in memory, performing a brute force search upon it can be surprisingly quick nowadays, particularly with some optimizations..

Building a Blog in Go: Rendering Markdown as HTML — An ongoing series to build a simple blog system using Go.

▶  Pointers for Performance? — Does returning a pointer from a function instead of a value improve performance in Go? (3 minutes.)

LangChain Go: A Go Port/Fork of LangChain for LLM Apps — LangChain is a popular framework (most commonly associated with Python) for developing language model powered apps. LangChain Go reimplements the same concepts in Go. GitHub repo.

Excelize: Library for Working with Excel Spreadsheets — Read and write XLAM / XLSM / XLSX / XLTM / and XLTX files. A long time library that keeps going from strength to strength. GitHub repo.

Hookdeck: The Amazon EventBridge Alternative — Receive, transform, filter, route, and send messages across your EDA with an event gateway for engineering teams.

Ebitengine 2.7 Released: The 2D Game Engine for Go — The new feature this time is text/v2, an all new text rendering package that offers improved support for Arabic and vertically-rendered Japanese, glyph vectorization, more text alignment options, and improved OpenType support.

Beego 2.2: Backend Framework for RESTful APIs and Webapps — Inspired by Tornado, Sinatra and Flask. v2.2.0 bumps the Go version to 1.20.

The Case of a Leaky Goroutine — After finding “a never-ending goroutine factory” causing problems in an app, Wouter shares his findings so you can avoid a similar fate.

Charcoal: Faster utf8.Valid Using Multibyte Processing Without SIMD — Offers the same API as the standard library version but boasts being up to 50% faster at checking if a text is made up of valid UTF-8 runes.

More Powerful Go Execution Traces — Over the last two releases, the Go team has worked to fix and enhance execution tracing, resulting in a 10x drop in overhead and much more scalable traces. These enhancements have spawned two experimental features: the ability to constantly trace execution (i.e. so-called ‘flight recording’) and a trace reader API.

Learn Building Scalable & Resilient Go Backend — The next edition of Go Event-Driven starts soon. Learn one of the hottest skills and stand out from the crowd.

Measuring a System’s Performance with Go — You can run up a benchmark in any programming language, but Go offers some features to make it relatively easy to measure CPU and memory performance, memory usage, and even dig into some of Go’s optimizations. Lots of examples here.

The One Billion Row Challenge (Again!) – From 95s to 1.96s — Gunnar Morling’s One Billion Row Challenge to read and aggregate stats from a one billion line file has caught on! We’ve linked to Shraddha Agrawal and Ben Hoyt’s solutions before, but here’s a very in-depth look at going even further with lots of neat lower level details.

For Loops and More in Go — for loops may seem like a beginners' topic, but there’s a lot to understanding their full use. How do you handle multiple loop variables? When should you use label breaks? How do range loop semantics affect updating loop structs? Miki shows off some examples.

How to Write a '4000 Stars' GitHub README for Your Project — The creators of the Go-powered Daytona project have a few tips to share about creating good READMEs.

Valgo 0.3: An Expressive Validator Library — Type-safe and extensible validator library built upon generics. “Valgo differs from other validation libraries in that the rules are written in functions and not in struct tags. This allows greater flexibility and freedom when it comes to where and how data is validated.”

Hugot: Hugging Face Transformer Pipelines in Go — A project with a goal of making it easy to run Hugging Face transformer pipelines from Go, without needing to call out to Python or external APIs (note it’s not pure Go – it leans on ONNX Runtime). It supports only ONNX models and a few pipelines so far.

Failsafe: Fault Tolerance and Resilience Patterns — A library for building fault-tolerant apps where you can wrap code in resilience policies such as Retry, CircuitBreaker, RateLimiter, Timeout, and Fallback. We linked to this months ago, but as of v0.6, it now can integrate with HTTP clients.

Konf 1.0: A Flexible Configuration Loader — If you don’t want to be tightly coupled to any one source of configuration settings for your app, Konf might be for you – it’ll work with local sources like files and environment variables, but also with things like S3, AWS AppConfig, and GCP Secret Manager.

Codoworks Go Boilerplate: Prod-Ready RESTful API Boilerplate — An opinionated boilerplate app based around Echo to get CRUD APIs up and running quickly.