Churnkey SDK
Hi, this is a really big decision for us. We spent the last 5 years refining and selling our cancel flows product suite. Our entire team uses Claude Code. So, we understand that with LLMs, a competent engineer can stand up a “good enough” version of our cancel flow product in days. And if people are going to build one, we'd rather give them one that has saved over 2 million customers and get their weekend back. What can't be vibe-coded in an afternoon is what we are here to sell.
Churnkey SDK launched on June 2, 2026 with 13 votes, #1,084 of 22,647 launches that month and more than 90% of that year's launches.
What it does
An open-source cancel flow for React. Survey, offers, feedback, and confirmation in one component. Optionally connects to Churnkey for analytics, A/B testing, and AI retention features.
Drop-in React cancel flow. Free out of the box. Connect Churnkey for analytics, A/B testing, and the No-Code Editor. Add the Intelligence tier for Adaptive Offers, Feedback AI, and Automatic AI Translations.
Survey, offers, feedback, and confirmation in one component. Optionally connects to Churnkey for analytics, A/B testing, and AI retention features. import { CancelFlow } from '@churnkey/react' import '@churnkey/react/styles.css' <CancelFlow steps={[ { type: 'survey', reasons: [ { id: 'expensive', label: 'Too expensive', offer: { type: 'discount', couponId: 'SAVE20', percentOff: 20 }, }, { id: 'not-using', label: "Not using it" }, ], }, { type: 'feedback' }, { type: 'confirm' }, ]} handleDiscount={async (o) => myBilling.applyCoupon(o.couponId)} handleCancel={async () => myBilling.cancel()} /> Copy How it grows Three integration levels, one component. The SDK has three integration levels:…from sdk.churnkey.co
Does a similar job
all alternatives →
21st.dev2025 · 21st.dev · ▲1,211I originally built this app to organize and reuse interesting React + Tailwind components I came across on Twitter, inspired by the shadcn/ui approach. Later, a friend started contributing their own components, and it got me thinking—this could grow into something bigger, like an NPM for design engineers to share and use components. Would love to hear your thoughts!
Locofy.ai2022 · locofy.ai · ▲720Hey there, I am Honey - Co-founder at Locofy. We, along with other makers, have been building Locofy.ai to help massively accelerate the builders - the designers, developers, product managers & founders, and we're excited to share it today with the HN Community. Locofy.ai simply converts designs into production-ready frontend code for web and mobile apps. It adapts to your preferred design tools, tech stack, and workflows with ease and lets you launch upto 4x faster, while letting designers design the way they want and giving high-quality responsive code that developers love. With this…
We built an open source, zero webhooks payment processorNov 2025 · github.com · ▲405Hi HN! For the past bit we’ve been building Flowglad (https://flowglad.com) and can now feel it’s just gotten good enough to share with you all: Repo: https://github.com/flowglad/flowglad Demo video: https://www.youtube.com/watch?v=G6H0c1Cd2kU Flowglad is a payment processor that you integrate without writing any glue code. Along with processing your payments, it tells you in real time the features and usage credit balances that your customers have available to you based on their billing state. The DX feels like React, because we wanted to bring…
React Flow – library for creating node based editors and apps2021 · github.com · ▲224React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https://svelteflow.dev). Ready out-of-the-box and infinitely customizable. - xyflow/xyflow
Flows2024 · flows.sh · ▲239If you’ve ever tried building onboarding or product adoption with Appcues, Chameleon, Userflow, WalkMe, or Usetiful, you’ve probably hit the same two problems: 1. Everything is rendered with JavaScript overlays 2. Customization is a nightmare A little backstory: When I was choosing an onboarding tool for my previous project, nothing matched what I needed. So I had to build my own. With help from IntroJS I built onboarding solution that I needed: Tooltips, Modals, custom CSS, waiting for interactions, and saving the state into the database. It worked… but it took way more time than it should…

More dev tools this month
the category →

open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.
Dev tools · 27d ago · github.com

Contribute to reladraw/reladraw development by creating an account on GitHub.
Dev tools · 25d ago · github.com
OpenBot▲362Grok Bot alternative: free, local, open-source, multiplayer
Dev tools · 23d ago · openbot.run
Talanoa▲345Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…
Dev tools · 20d ago · talanoa.email
CoreSpeed▲332One MCP for everything your agents need: apps, memory, tools
Dev tools · 28d ago · corespeed.io
Source: Product Hunt launch ↗
Launched alongside, June 2026
the whole month →
Fundraisly▲1,537AI fundraising agent that finds investors and books meetings
AI · Jun 2026 · fundraisly.com
Homebrew 6.0.0▲1,481Today, I’m proud to announce Homebrew 6.0.0. The most significant changes since 5.1.0 are a new tap trust security mechanism, the new faster, smaller, default internal Homebrew JSON API, sandboxing on Linux, better defaults informed by our user survey, many brew bundle improvements, improved performance and initial support for macOS 27 (Golden Gate). Happy to discuss any questions here!
Dev tools · Jun 2026 · brew.sh

Hi HN! I was super frustrated at apps like tiktok and wechat preventing me from saving or downloading the animated gifs, so I made a little tool to turn a screen recording into a slack-sized emoji. Hope you get some value from this!
Life & fun · Jun 2026 · vorpus.github.io



Search 18 years of Hacker News and chart how any topic, tool, or person trended. Overlay terms to compare their rise and fall across 45M posts and comments.
Life & fun · Jun 2026 · hackernewstrends.com