
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

Explore technical lecture videos, chat alongside them, or request new ones.
sinaatalay · HN
Academa – Long-form STEM lecture videos generated by LLMs

Design working prototypes visually with a coding agent in real-time.
u/tokmako · Reddit
I am developing an alternative work environment to Claude Design. When I first tried Claude Design, I really liked the idea. But after generating a design, I kept wanting a more direct way to continue working on it not as a separate design representation, but as a live, working interface. That’s what I’m building with VisualWizard. The canvas contains real, interactive prototypes. You can select elements directly, move or resize them, change styles, and keep interactions and

Monitor Reddit in real time to surface leads, competitor activity, and engagement opportunities.
@shawntenam · X
Claude Code Daily... Version 3 is live. Just shipped a clean refresh of the daily landing page: tighter flow, better signal extraction, and a soft CTA at the bottom that points builders toward without being pushy. Last week I dropped the previous version straight into the Claude Code subreddit. Result? ~400 visitors, only 5 clickouts. That’s how i test and iterate on Reddit. never blast a direct product link. You share the actual value first. the blog post itself. and let the equal exchange do the work. If someone finds the daily brief useful and wants to go deeper (beyond basic scraping into real intent signals), the path is there naturally. No deception, just reciprocity. builder mindset in action: ship fast, measure honestly, refine in public. does V3 hit cleaner? Drop your thoughts below.

A free ESOP calculator and simulator to estimate startup equity value, dilution, vesting and exit scenarios without spreadsheets.
@SheshankSi60747 · X

Guess words hidden in pictures using AI-powered visual analysis.
furyofantares · HN
Small games. One thing is I have it doing a LOT of visual verification of its results, which uses a lot of tokens. I also tend to throw some huge tasks it can't do yet and watch it burn a zillion tokens, and I usually learn more about where it's limits are and am sometimes happily surprised by its success or partial success. I'll infodump though. I built https://wordpeek.app https://scramble-quest.app and https://playsilhouette.app this year. Those are what I've shipped anyway, a number of other

Browser-based AI image editor and generator with infinite canvas, available as desktop and mobile apps.
visuali · HN
Like Claude Code for Images

SeeLink is a visual library for every useful link you want to find again.
@Bhanuteja_1999 · X
I built SeeLink, a visual link library. Tools/Products found on Instagram, X or LinkedIn get buried in saved posts, while bookmarks show a name and URL. SeeLink saves each link with an image, so you can recognize and the tool when you need it.

See Truacta on live warehouse data — ask your revenue in plain English and get a board-grade answer, every figure cited to its SQL. Launch the live demo instantly — one code by ema
@truacta · X
Building Truacta — an AI revenue analyst that reconciles your ARR across CRM, billing, and the GL into one cited number. Plain-English question in, exact SQL out. Read-only, no data team.

Interactive 3D visualization of glass effects, showing how radius, thickness, and bezel width affect refraction.
@zccrs · X
做了一个 Liquid Glass 3D 可视化工具 🫧 把玻璃边缘的图像形变从 2D 变成直观的 3D 几何,让你可以直接看到玻璃的形状、光线与折射,以及 radius、thickness、bezel width 等参数对最终效果的影响。 欢迎体验: 🔗

Snap a photo of any confusing paper — medical, legal, school or bank — and get it explained in plain language, in your language.
@AToluwain · X
Check out what I just built with Lovable!

See what happens before you decide. Model alternatives, expose assumptions, quantify uncertainty and discover exactly what would make your decision wrong.
@ANOVIA_Apex · X
Your gut has an opinion. Your spreadsheet has a forecast. MARK C has 10,000 futures and the exact question that matters: what breaks your decision? Stop guessing. C MARK it.” ⚡