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GStack Pricing

open sourceopen source · MITlast verified September 6, 2026official site ↗

At a glance

Free and 100% open source under the MIT license. GStack has no licensing fees or subscriptions; operational costs depend solely on external API keys (Anthropic/OpenAI) and cloud hosting infrastructure.

Self-hosting cost

GStack is open source under the MIT license. Self-hosting does not add a software license fee, but you still pay for infrastructure, operations, and any external model or API usage.

Free & cheaper Agent Skills & Prompts

same category, free plan or open-source license

Superpowersopen sourceFree and 100% open source under the MIT license. Superpowers has no software license fees or subscription tiers; operational costs depend entirely on host model API token consumption across supported AI coding agents (Claude Code, Cursor, Windsurf).Agent Skillsopen sourceNo paid product or SaaS tier: the Agent Skills specification and code are free under Apache-2.0 (docs under CC BY 4.0). Compatible clients manage their own pricing.Agentic Workflowopen sourceFree and 100% open source under the MIT license. Agentic-workflow requires no subscription or licensing fees; users only pay for their own LLM API tokens (e.g., Anthropic, OpenAI) consumed during agent task execution.Anthropic Agent Skillsopen sourceAnthropic Agent Skills is a free and open-source library and specification developed by Anthropic under the Apache-2.0 license. There are no fees or subscriptions; skills are installed directly into coding agents (like Claude Code or Cursor) and run locally.
GStack overview →alternatives →review: 88/100 →

FAQ

How much does GStack cost?

Free and 100% open source under the MIT license. GStack has no licensing fees or subscriptions; operational costs depend solely on external API keys (Anthropic/OpenAI) and cloud hosting infrastructure.

Does GStack have a free plan?

Yes — GStack is open source and free to use.

Can you self-host GStack for free?

GStack is open source under the MIT license. Self-hosting does not add a software license fee, but you still pay for infrastructure, operations, and any external model or API usage.

What are free or cheaper GStack alternatives?

Superpowers, Agent Skills, Agentic Workflow are in the same category with a free plan or open-source license.

pricing is editorial catalog data (last verified September 6, 2026) — vendors change plans; confirm on the official site before you buy. Reuse this data under CC-BY 4.0 via /data.