
FreetCode — Free Algorithm Interview Prep
Practice algorithm interview problems with solutions and interactive visualizers.
@Galliard232634 · X
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Practice algorithm interview problems with solutions and interactive visualizers.
@Galliard232634 · X
Come study with me on

Automatically hide negative and sensational posts on Reddit, YouTube, X, and LinkedIn.
@zelvaio · X

Compare and benchmark SaaS APIs with independent verified data to make informed build-vs-buy decisions.
fenilsuchak · HN
OpenBenchmarks – Helping agents discover and pick the right SaaS APIs

Calculate how a raise affects your income after benefits cliffs.
@getpapi_ai · X
placed 3rd in the r/vibecoding vibejam 2026. It made me go viral in r/ohio It was my first ever jam entry, I'm also not a developer...or from Ohio. was planned, reviewed, shipped and currently managed by

@coryalthoff https://t.co/XQ3z4c8iwx it’s a sexy product, I promised.
@Luna_beexy · X
it’s a sexy product, I promised.

Analyze and rate facial attractiveness with AI using multi-dimensional beauty scoring.
FaceRatingAI — AI 颜值打分网站,包括不同维度评分、整体排名等

AI research and outreach agent that generates personalized cold messages.
@Aryan_2190 · X
Hyper Personalized Outreach for B2B

Analyze Hacker News profiles with your own LLM API key, fully client-side.
Topfi · HN
Like everyone on HN, I love nothing more than to (re)read my own comments. Getting my intuition that I am among the smartest, most humble, highest quality commenters on here confirmed by an LLM so capable that the US government had to temporarily export restrict it [0] seemed only natural. Having had my perfection confirmed, I decided to share this joy with you as I had a few percent usage left before a reset. I took a few prompts, then did a review of the output which resulted in Selbstbild, a BYOK (Anthropic / OpenRouter) web app that gives you a summary and assessment of your public comments by one of our machine Gods, including Fable 5 (provided your can afford that luxury at API pricing). In all seriousness, I have, for a long time, used my own comments on social media (including HN) as part of a personal needle-in-haystack test, simply because I do know my somewhat peculiar style and what I tend to write, but also because I can sometimes write in a slightly confusing manner, ma

Take AI-powered skill assessments to verify your knowledge and earn certifications.
@syprayt · X
We are building platform to verify user knowledge using AI, so you can avoid boring lectures and save years of life. It’s Academission baby. Yesterday we launched online mode, so that everyone could test our technology, here is the link:

Make complex decisions with a free weighted decision matrix in your browser.
@bjoern_live · X
Make complex decisions easy.

Find real customer pain points from Reddit and X to validate your startup idea instantly.
@Tommycsx3 · X
Building an AI tool to help founders validate startup idea base on reddit’s complaints

Upload a photo to get AI feedback on attractiveness, lighting, and composition.
Attractiveness Scale — 颜值打分网站(基于 AI)