Cairn

What it does

Cairn quietly alerts you to remarkable places nearby as you walk through Europe's cities. Curated recommendations, no ads, no tourist traps, no endless lists.

• 
  TripScout2017 · ▲148

  Self-guided city tours from local experts

• 
  Guider2024 · ▲128

  Platform for curated city tours to enhance your journey

• 
  Travel Curated2017 · ▲110

  User curated directory of the best travel sites & tools

• 
  Things.in2024 · ▲156

  Discover most reviewed things.in/city

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  TourPickr2019 · ▲108

  Explore more than 400 000 hidden tourist places in Europe.

• 
  Curatour2019 · ▲75

  Just discover, don't search. A discovery engine for travel.

• TL
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  Like Claude design for email marketing

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  PollyReach▲796

  Give your agent a real number and voice to make calls.

  AI · May 2026 · pollyreach.ai

• NW
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  Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…

  Life & fun · May 2026 · github.com

• FM
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  Dev tools · May 2026 · github.com