The knowledge
to power your
best work

Grounded in human thinking. Enhanced by AI. We’re building products that make your work easier, better and more secure.

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17
years
of trusted and high-
quality knowledge
83
million
questions and answers
(and counting)
21
seconds
between new questions,
on average
113
billion
times knowledge
has been reused

The tool your business needs to work smarter & build quicker

15k+
Global companies
using Stack Internal

Stack Internal

Bring the best of human thought and AI automation together to make work easier for everyone.

Filter your knowledge

Collect, check, and structure all your enterprise knowledge in one place — ship sooner, onboard faster and get the answers to the right people.

Trust your results

AI tools promise “accelerated productivity”, but bad data kills good work. Ground copilots in verified human knowledge for quality results.

Protect your data

Sensitive information doesn’t belong in leaky systems. Stack Internal protects your knowledge with enterprise-grade security.

Other ways we can help

The API Awards Best AI API
2024 & 2025

Stack Data Licensing

License decades of verified, technical knowledge to boost AI performance and trust.

82%
of devs visit multiple
times per month (source)

Stack Ads

Engage developers where it matters — in their daily workflow.

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We want to be the world’s most vital source for technologists

To get there, we’re working to cultivate community, power learning and unlock growth — for developers, teams and businesses across the world.

Tech moves fast. But technologists will always need real connections, mutual support, and places to solve problems together. We've been cultivating dev communities since 2008 — and now our enterprise products bring that collaborative spirit, and all its benefits, into the core of modern businesses.

75%
of developers still want to ask another person for help when they don’t trust AIs answers.
Read our Dev Survey →

AI is here to stay. But exactly how it's going to change things? That's still up for debate. Regardless, developers, teams and technologists will need to stay curious and pick up new skills to tackle the roles and opportunities ahead. We're here to help.

1 in 5 devs
from the US and India struggle with upskilling at work, and so do 30% in LATAM countries.
Jetbrains State of Developer Ecosystem Report →

We believe that true intelligence and growth, for people, teams and business, needs to be grounded in solid, verifiable knowledge — not just any old data. That ethos is built into the code of our company, and it informs all our products, services and initiatives.

13,000 hours
of engineering time saved over six months with the help of Stack Internal.
Read more from Uber →