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stack127

A toolbox and reference hub for indie hackers

#4 this weekDeveloper Tools
Ravi Teja KNTSby Ravi Teja KNTS
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Mark Fulton
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About stack127

stack127 is a toolbox and reference hub for indie hackers, solo developers, and digital creators who build and run projects online. Use its free tools to calculate SaaS metrics such as MRR and churn, estimate Amazon KDP royalties, check domains and DNS, and plan hosting and storage. Its directories help you compare platform fees, discover CLI apps and self-hosted software, and find places to launch a product. Reference pages explain facts such as domain status codes and software licenses. Built by Ravi Teja KNTS, stack127 turns repeated questions and practical project work into tools and resources other builders can use. Most of its tools are open source through stack127labs on GitHub.

Frequently asked questions about stack127

What can I use stack127 for?+

Use its free tools to calculate SaaS metrics such as MRR and churn, estimate Amazon KDP royalties, check domains and DNS, and plan hosting and storage.

Can I compare digital product platform fees?+

Yes. stack127’s directories help you compare platform fees and discover CLI apps, self-hosted software, and places to launch a product.

Are all stack127 tools open source?+

Most of its tools are open source through stack127labs on GitHub.

Community reviews

5.0 · 1 review
  • Mark Fulton
    Mark FultonMember · today

    Bookmarked this one. Real tools behind every card, DNS lookups, KDP royalty math, MRR and churn calculators, and a launch directory list with 155 places and what each one costs. The self hosting lessons for beginners are a nice touch too. What if the homepage asked me what I'm building, a SaaS, a book, a self hosted box, and showed only that shelf? The full catalog is a lot to take in at once.

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