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

Eight free browser-based tools including JSON formatter, password generator, and color picker.
@Supportpintutec · X
Just launched QuickTools — 8 free online tools 🛠️ Word Counter • JSON Formatter • Password Generator • Color Picker 100% browser-based, no signup 🔗 #SideProject #WebDev #FreeTools #BuildInPublic

Design mobile app interfaces with AI and export to HTML, design tokens, and implementation code.
@9to5_Dad · X
Ai mobile app ui designer with taste

Interactive lessons in math, programming, data analysis, AI, and science.
@BruceWayne95290 · X
just leaving a comment cause its 1am and im vibe coding, will come back tomorrow (on an alt account for open claw fyi) I've worked with the following brands: vytadose, bajabeachco, jaje health, eric javits, 4knines, welleco, coatdefence

Free online IDE and code compiler supporting 15+ languages with cloud workspaces and coding interview tools.
aashhuttossh · HN
Codeground – run and share code in the browser

AI platform for generating interactive HTML presentations with templates and online editing.
HTML 版 PPT — 多 Agent 协作架构,大纲专家负责搭建逻辑骨架,主题专家负责打磨视觉风格,设计师负责把每一页渲染成精致的 HTML 代码。

Turn your study notes into competitive quiz battles and get AI coaching on weak topics.
u/Due_Load6189 · Reddit
I built a study battle app and need honest feedback Hey everyone, I’m a student building StudyClash, an app that turns practice questions into competitive study battles. You can try a deck, answer questions, get a score, see what topics you’re weak in, and use an AI coach to understand mistakes. I’m not trying to sell anything right now — I just need honest feedback before I show it to more people. Main things I want feedback on: Is the app easy to understand? Does anything look b

Convert lecture videos into formatted PDF and ePub course books automatically.
h02 · HN
LectureToBook – Turn Videos into a PDF/ePub

Interactive demo for experimenting with grading mechanics.
@TheEduardoRFS · X
I vibe coded a demo for grading, not in a great shape but it's fun to play a bit.

Learn code skills with flashcards, quizzes, and AI tutoring built on memory science.
@mkappworks · X
I am building lets connect

AI-powered learning assistant with personalized paths, intelligent tutoring, and adaptive practice.
LearnFlux — AI 驱动的智能学习助手,为你生成个性化学习材料,让你以更少时间掌握更多知识。

React and shadcn/ui components for creating animated visual elements on marketing and landing pages.
@pixelcave_john · X
Hey Germán! I recently launched and a major update to Tailkit!