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Products that do what InsideStack – Find curated tech articles with semantic search does

I built InsideStack to make it easier to find high-quality technical and software articles. Why? - The web is flooded with AI-generated content - Businesses are publishing tons of articles with biased content - Search results are often driven by engagement rather than quality. - AI-generated summaries of articles don’t drive traffic back to the original creators InsideStack lets you: - Search across curated RSS feeds with semantic search - Subscribe, bookmark, and follow topics or authors Currently, only a small set of feeds is included, but I am adding more every day. Suggestions for…

  1. 1IM

    AI search results are quickly becoming more important than SEO, but as businesses, we have no visibility over it! That's why I'm building "Ahrefs for AI search results". Track keyword performance on AI tools like ChatGPT, Claude, Perplexity & more

    2025 · linrush.com

  2. 2SS

    I built https://ask.rivestack.io — a semantic search engine over Hacker News posts. Instead of keyword matching, it finds results by meaning, so you can search things like "best way to handle authentication in microservices" and get relevant threads even if they don't contain those exact words. How it works: Indexed HN posts and comments into PostgreSQL with pgvector (HNSW index) Embeddings generated with OpenAI's embedding model Queries run as nearest-neighbor vector searches — typical response under 50ms The whole thing runs on a single Postgres instance, no separate vector DB I…

    Feb 2026 · ask.rivestack.io

  3. 3IB

    Think of HackerNews, but only for AI content. Did build this out of the wish for easier discoverability of new technologies in the AI/ML space. Obviously, so far only a tiny small community, but maybe a few of you find it nice to be around and want to post a link there every now and then :)

    2023 · news.aiapipro.com

  4. 4VA

    Dear HN Community, I am a long time fan and first-time contributor. I just launched a developer focused semantic search platform and wanted to share it with the community. The idea is simple: upload structured or unstructured documents, select the fields you want to index and tag as metadata, and instantly get a clean search API you can use in your own app. Here is what it currently supports: - Manage your own tenants and projects - Upload .json and .txt files (support for .pdf, .docx, .xlsx, .yml, etc. coming soon) - Expose 3 APIs: search, upload document (embeddings), and delete document -…

    2025 · aisearch.vpuna.com

  5. 5IB

    So I've been obsessed with a weird question for the past 6 months, what happens to SEO when everyone starts asking ChatGPT for recommendations instead of Googling? The answer, apparently, is chaos. And maybe opportunity? I built FirstClick because I noticed something strange. My previous startup was getting zero traffic from AI assistants, but our competitor (objectively worse product, sorry not sorry) was getting mentioned by Claude and Perplexity constantly. It drove me crazy. So I reverse engineered why. Turns out there's a whole new game being played and most founders don't even know it…

    Dec 2025 · firstclick.so

  6. 6NA

    I got tired of reading clickbait articles and seeing irrelevant ads. So I pulled in a few RSS feeds to create a news digest using OpenAI 4o-mini for summarisation. Appreciate any feedback you'all might have. PS: News-summarisation may have been done to death, but I'm a UI noob, so I'm using this project to learn some.

    2025 · newsful.ai

  7. 7SH

    Been feeling a bit left out in this fast paced world of ML/AI, so built my first ML project since college. The idea is to scrape the most recent HN article titles and use TF-IDF and cosine similarity as metrics to rank articles that you're interested in to filter out only relevant things. Hopefully a fun project for beginners to get inspiration to jump into this world.

    2023 · github.com

  8. 8NR

    Hey folks! This is a project that I've been working in my free time for the past few months. It's a news aggregator that uses AI to select relevant articles and summarize them. The default sources are frameworks and libraries' updates, popular HN topics, and languages' subreddits threads that make past a certain threshold. You can run a local instance (needs an OpenAI key) and customize it with your own sources, and adjust the prompt as well. The resulting website can be browsed at https://dev-radar.com/ My next experiment will be with local news. I'm building some feeds with…

    2023 · github.com

  9. 9BE

    We’re George and Ann, and want to share a Hacker News specific browser extension that we have been working on. We all love the rich discussions in HN, but navigating long posts with multiple threads can sometimes be challenging. You get lost in the depth and breadth of the discussion. There are a few AI-based summarization tools, but they typically focus on summarizing the article rather than the comments, and thus miss the essence of threaded discussions. So, we built Hacker News Companion, a browser extension that makes it easy to navigate discussions and understand diverse viewpoints…

    2024 · github.com

  10. 10AA

    Hey HN, I'm Ankit, Founder Dottypost (https://twitter.com/ankit_saas) I've been writing content on LinkedIn for almost 2 years. But, the struggle to do consistent posting is real. So I built an AI SaaS that helps with LinkedIn content creation effortlessly. We'd love to get your feedback on the product and anything else that comes to your mind. It would be super useful for us. Thank you!

    2024 · dottypost.com

  11. 11MA

    Hey HN, We’ve been heads-down building MOSS - a semantic memory layer that brings AI-powered search and personalization fully on-device (No cloud | No latency | No data leaving the user’s device) We just launched a live demo showing MOSS running entirely in-browser, performing lightning-fast semantic search over local in-browser VectorDB. This unlocks a new class of privacy-first, hybrid AI experiences that work even without a server connection. If you’re curious about: - how to run AI search right inside the browser - the technical challenges behind on-device vector search - why we believe…

    2025 · twitter.com

  12. 12T

    HN, With an overwhelming amount of tech news being reported every day - I have always struggled to find the time to read the articles, even when I want to. So I created a solution for myself where I extract key points of the articles and present them as bullet points, for readability. I figured others might be feeling the same way, so I am making it available publicly. I update it every hour. I would really appreciate any suggestions on improvement. I look forward to hearing your thoughts/feedback. URL: https://techbullets.com

    2015

  13. 13GA

    Hi HN, I’ve been working on Spiderseek, a platform to help track and grow website visibility in AI-powered search engines (e.g. Perplexity, ChatGPT, and other agents). Traditional SEO tools are expensive and focused on Google-style search. I wanted something lightweight and AI-first, so I built Spiderseek: AI Research – Explore domains and keywords to uncover new opportunities. AI Analytics – See traffic, crawl activity, and page metrics, plus insights from AI agents. Content Submission – Get content indexed instantly in major AI agents. Rankings – Browse the top 1000 domains sorted by…

    Sep 2025 · spiderseek.com

  14. 14IM

    When your embedding provider is good, but could be better for your use-case.

    2024 · zoplabs.com

  15. 151R

    I wanted to find a product idea to build. "Build things people want," right? So I thought, why not literally find people saying what they want? I wrote a script to collect thousands of Reddit posts where people are looking for a solution or complaining about a problem. Then I used GPT to filter out the noise and score each one based on how viable the idea seemed. Threw together a simple search interface so anyone can explore them. I was planning to build a more advanced paid version of this, but figured I'd share the raw version first to see if it's actually useful to anyone.

    Nov 2025 · search.reddit-business-ideas.workers.dev

  16. 16LA

    I had the vision to build an SEO tool for content publishers that would solve the pain of building internal links. To validate the concept, I developed a basic tool using ElasticSearch and sophisticated search queries to identify link opportunities through content matching. I believe most of my competitors are using a similar approach. This initial tool provided a one-time fee report of potential link opportunities. The tool was very basic, so making a few sales was enough for me to prove the idea, and I proceeded to build a dedicated team and develop its full-fledged version. LinkStorm was…

    2024 · linkstorm.io

  17. 17HO

    Hey HN, Out of frustration of keeping up with AI news, I built hackobar. It fetches the AI related news from multiple sources such as HN, arxiv, github trending repos, huggingface, many ai subreddits, twitter handles that cover AI, Tech news outlets, major ai lab blogs and of course the numerous AI news letters that are growing by day. GitHub trending repos isn't "news" but as an engineer it matters. you can't read every arXiv paper or every HuggingFace drop. HN has the best discussions, Twitter has some, newsletters have some. I used to check 5 places and still felt behind. Building this…

    May 2026 · hackobar.com

  18. 18IM

    Hi HN, I made an AI-digested news platform called Tailored News to help people efficiently consume content in today’s information-overloaded world. Our platform uses AI to curate and summarize the most important stories, providing concise insights and weekly audio briefings. This approach ensures that you stay informed without feeling overwhelmed. Key Features: - AI-Digested Content: We use AI to summarize news, highlight key points, and generate an audio version - Full Context in a Nutshell: I created the Minimum Context Understanding (MCU) concept to provide brief context summaries for…

    2024 · tailored.news

  19. 19DR

    The first ever AI peer reviewed research article just got approved. It’s kinda crazy how advanced AI have come to replace researchers. I've just been using Deep Research on ChatGPT and Perplexity a lot to write and research complex technical reports for my boss. He loves the reports and it has decreased my workload a ton but I still have some frustrations with it. None of them provide an API that gets me the same quality of output you would with the applications. I wanted something with more control on the LLMs, swappable with the reasoning new models that came out. Not just prompt →…

    2025 · github.com

  20. 20AR

    Hey HN! Quick TL; DR: I set up scrapers for the websites of ~20k tech companies, fed the results through GPT, spent some sleepless nights building a web app, and voilá. I started this after getting fed up with how slow LinkedIn felt. I finally got it working and easy to use, so I wanted to share it with you guys. The job list is free. But I’m currently paying a lot of money to OpenAI for all the data I’m passing through GPT, so I may end up eventually charging for some advanced features, or putting ads on it or something. Please let me know what you think! I’m actively developing this so I’m…

    2024 · techjobs.xyz

  21. 21FR

    Hi all, since there are lots of discussions happening about news consumption, I would like to show you a project that I am working on - Feedpresso. https://www.feedpresso.com/ It focuses on content for techies and entrepreneurs so you can expect to get some interesting stuff right away. However, it is not a regular RSS reader - it heavily relies on algos to find exciting stories based on your reading history, from your sources. Also, it includes some abstractions over sources to make using RSS more natural. Give it a try. If there is an interest, I would gladly share some…

    2018

  22. 22AM

    Hey, HN community! I'm excited to share the fifth issue of our AI/ML Weekly Digest. This innovative newsletter uses the power of GPT-4 to analyse and curate the most relevant and exciting AI/ML stories from Hacker News. This week I also share with our subscribers a curated list of resources during my learning journey https://github.com/vlameiras/ai-ml-resources/ GPT-4 scours through the top stories on Hacker News to bring you a concise summary and sentiment analysis of the hottest AI/ML news each week. Subscribe & Stay Updated To get the complete…

    2023 · hn-ai-newsletter.beehiiv.com

  23. 23IB

    Recently, I was exploring the idea of using AI agents for real-time research and content generation. To put that into practice, I thought why not try solving a problem I run into often? Creating high-quality, up-to-date newsletters without spending hours manually researching. So I built a simple AI-powered Newsletter Agent that automatically researches a topic and generates a well-structured newsletter using the latest info from the web. Here's what I used: - Firecrawl Search API for real-time web scraping and content discovery - Nebius AI models for fast + cheap inference - Agno as the…

    2025

  24. 24RT

    Hey HN! Why I built this: Over the last 10 years I relied heavily on Twitter as my primary source of information. I could get a wide range of information in one place, and each information nugget came in a small format of about 280 characters which was good for summarizing. But recently due to algorithmic changes and the AI frenzy, Twitter has become very noisy and hard to keep up with. So I built GoldenScoop. It takes personalized information requests and runs a swarm of agents in the background. Our swarm reads multiple news sources every day and provides customized information based on…

    2025 · goldenscoop.live

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