
Let Me In
Collect signups from any site in under a minute
What it does
Drop one snippet into your site and start collecting signups in under a minute. Let Me In handles the form, the queue, the invites, and the polite emails — so you can spend that energy on the thing people are waiting for.
Does the same job
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Discovery Assist by First Round2020 · ▲338Getting early founders the customer intros they need, faster
- RIReferlist – Increase email sign-ups via word of mouth referrals2019 · ▲70
Hi there HN! Excited to share Referlist (https://referlist.co/), a simple way to increase sign-ups on your landing page for pre-product launches. Give your users early access to your product when they share it with their friends! I make A LOT of landing pages. Whenever I want to test an idea, I'll make a website with a sign-up form to see how excited people are about a concept. I wanted to encourage word of mouth growth and incentivize my users to share these sites with their friends. Robinhood was able to amass nearly one million sign-ups via their referral program, so I…




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The first open-source price index for GPU compute
Dev tools · 10d ago · getcomputable.com

OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.
Dev tools · 2d ago · opentrailpaper.com

Open-source GTM skills for technical founders
Dev tools · 29d ago · gtmcofounder.com
Launched alongside, May 2026
the whole month →

Parallel agents, diff reviewer, and multi-model comparisons
Dev tools · May 2026 · kilo.ai


- NW
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
Dev tools · May 2026 · github.com