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GStack

Open-source Claude Code skill pack that turns AI into a structured dev team with planning, review, and QA workflows.

4.5(external rating)
#52 in Coding#62 in Productivity
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Free🪟 Mac🪟 Windows🪟 Linux
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About GStack

GStack is an open-source skill pack for Claude Code created by Y Combinator CEO Garry Tan. It transforms a single AI coding assistant into a structured virtual software development team with nine opinionated workflow skills including planning, code review, QA testing, and one-command shipping.

Key Features

role based ai agents
code review automation
qa testing
one command deploy
browser automation
open source

💰 Pricing

Free

Free and open source. Requires Claude Code subscription separately.

Open SourceFree

Full access, requires Claude Code subscription

Frequently Asked Questions

Is GStack free?
Yes, GStack is completely free to use. Free and open source. Requires Claude Code subscription separately.
What is GStack used for?
GStack is primarily used for Coding, Productivity. Open-source Claude Code skill pack that turns AI into a structured dev team with planning, review, and QA workflows.
What platforms does GStack work on?
GStack is available on Mac, Windows, Linux.
What are the best alternatives to GStack?
Top alternatives to GStack include ChatGPT, Gemini, Claude. These tools offer similar functionality and may suit different budgets or workflows.

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Questions & Answers

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📊 Comparison vs Alternatives

Feature
GStack logoGStack
PricingFreeFreemiumFreemiumFreemium
Rating⭐ 4.5⭐ 4.8⭐ 4.5⭐ 4.8
Free Tier
Popularity
72%
100%
96%
94%

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Quick Stats

Rating
4.5
ReviewsExternal data
Coding#52
Productivity#62
PricingFree
Popularity
72%

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Last updated: 2026-03-28·Claim this listing
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