# hoanhan101/ultimate-go

The Ultimate Go Study Guide

Repository: https://github.com/hoanhan101/ultimate-go
Canonical: https://ross.abutalabs.com/products/ultimate-go
Homepage: https://gumroad.com/l/bpUYF
Language: Go
License: Apache-2.0
License Family: permissive
Topics: golang, computer-systems, programming, ebook, study-guide
Last push: 2025-06-15T21:47:39+00:00

## Health v2 (maintenance only)
Score: 44/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 26, release rhythm 35, longevity 100
- inputs: {"age_days": 3049, "days_push": 444, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 14906, forks 1160 (observed 2026-08-28T04:11:08.914870+00:00)

## What it is
The Ultimate Go Study Guide is a free ebook-style learning resource covering Go programming and underlying computer systems concepts. It has been acquired by Ardan Labs and is maintained as part of their Ultimate Go educational materials.

## Use cases
- learn go programming language
- study guide for go concurrency and memory model
- understand how go works under the hood
- prepare for go interviews
- learn computer systems concepts through go
- find a free go ebook

## When to choose
- you want a structured, free resource to learn Go deeply
- you prefer study-guide style notes with annotated code examples
- you want to understand Go's runtime, scheduling, and memory behavior

## When to avoid
- you need an up-to-date tutorial maintained by the original author, since it moved to Ardan Labs
- you want interactive exercises or a course rather than reading material
- you are looking for a Go library or tool to use in production

## Facets
- artifact type: learning-resource
- maturity: maintenance
- function: developer-tools
- domain: programming-languages, tutorials, developer-tools
- platform: go
- tags: golang, study-guide, ebook, computer-systems, education

## Member repositories
- hoanhan101/ultimate-go (main) score 44

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:11:08.914870+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T17:06:59.810816+00:00, confidence not recorded.
  - readme: https://github.com/hoanhan101/ultimate-go (fetched 2026-08-28T04:11:08.914870+00:00, sha 40d08f95c272)
  - homepage: https://gumroad.com/l/bpUYF (fetched 2026-08-29T08:04:55.808089+00:00, sha 18428a71fb91)
- Data as of 2026-08-30T08:39:29.467469+00:00.