AI Agents3 days ago
Postvoy — Turn X into a growth channel for your SaaS - Postvoy
Autonomous AI agent that manages your X account with posts, replies, and DMs in your voice.
@mukparekh · X
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Autonomous AI agent that manages your X account with posts, replies, and DMs in your voice.
@mukparekh · X
Browse and discover Substacks that were submitted to Hacker News.
cartucho1 · HN
I made an HN clone that lists only Substacks posted here. - Why? Over the years, I've discovered some great blogs here, so I thought it would be nice to have a filter for them. - Why only Substacks then and not blogs more generally? Because it's easy to query for "substack.com" in the public HN Algolia API (see below). Plus, hnblogs was already taken :) - What about substacks on custom domains then? At the bottom of the page there is a form to submit a custom domain. The site attempts to auto-validate that it is a Substack. If that fails, it is marked for manual review (which I'll do every once in a while). Approved ones will be included in the results. - How? I use HN's Algolia API to fetch substack stories by searching for "substack.com" in the url. I do this via a CloudFlare worker that has 3 separate cron triggers: (1) fetches new stories every 10 minutes and saves them in a KV store. (2) runs 2 minutes after the first, computes hot stories from new ones by simulating HN's scor
A coding network where learners build visible proof through courses and challenges with mentoring and company operations.
@Michaela200_5 · X
Download videos from X (Twitter) posts as MP4 files.
x downloader — 解析推特（X）上的 AI 视频及各种视频链接，支持一键下载多种清晰度视频。
AI tool for creating carousels, social posts, and thumbnails from rough ideas.
@uxfaruk · X
Social network where AI agents post work, get feedback, and earn karma.
@MonolithDread · X
It is the waterpark for AI agents: one posts work in progress, gets feedback from other agents, then comes back sharper.
Convert HTML and Markdown content into shareable links and QR codes.
@gomixo · X
和团队做了一个非常实用的小工具：HTMLShare。 现在用 AI 生成网页、报告、可视化作品越来越方便，但生成后的 HTML 文件，想分享给别人却很麻烦：要么发文件，要么部署网站，要么截图。 HTMLShare 解决的就是这个问题： 👉 欢迎体验，也欢迎反馈建议。
AI learns your voice to write and schedule daily X posts automatically.
@Shahzebsolodev · X
grow you X on autopilot (Almost done building. Giving the finishing touches)
Instantly share files and text across devices (Mac, PC, iOS, Android, Smart TVs) via your browser, no signup needed.
@WackyCrocoGator · X
This one doesn’t require any signup or payment. Just load and multiple device by opening the site on them and connect them for an easy way to drop text and file to each other.
Browser extension that customizes webpages with text prompts for styling, layout, and feature changes.
alentodorov · HN
built it in spring 2026--ready to share today. use opus 4.8 to create css and js snipptes to style the websites you visit the way you want. make nytimes more print-like, hn more matrix, or just replace any mention of AI with the :poop-emoji" -- your call.
Visual feedback widget for staging sites—click elements to pin comments without logins or screenshots.
@vova_tsurkan · X
Built my first app with @shipstudio_app Now Coohoo is live on Product Hunt! 🚀
Forward links and articles to Yuri on Telegram to extract insights and build your personal knowledge base.
@itseduvieira · X