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Create agentic, compound AI systems using Haystack’s modular and customizable building blocks, built for real-world, production-ready applications.

Haystack is the world’s largest digital business card platform, and the premier solution for large enterprises. With over 8 million cards worldwide, Haystack continues to set the standard for …

The meaning of HAYSTACK is a stack of hay.

With automated multi-channel delivery, emergency texts, and actionable analytics, Haystack makes it easy to reach employees with the right message at the right time, and in the right place.

Haystack provides free access, supported by ads, making news widely accessible without subscription fees. If you prefer not to see ads, you can upgrade to our Premium tier.

Built for production from day one, Haystack is the leading open-source framework for building reliable, flexible, and composable LLM applications from first prototype to full-scale deployment.

Haystack News makes it easy to see the news that matters to you. Tell us the sources, topics and places you care about and we'll create a news channel made just for you called "My …

Drive supply chain savings, efficiency and risk mitigation with Haystack Gold, the leading defense parts and logistics management system.

Oct 6, 2025 · At its core, in slang, “haystack” is shorthand for a difficult problem, a confusing situation, or sometimes just anything requiring a lot of searching or effort — basically, finding a …