
Free Online CAD Editor — Draw, Edit and Export DXF Files in Your Browser
Draw and edit 2D CAD designs in your browser, then export as DXF or PDF — no installation or login required.
@KulmanLab · X
- a free and accountless alternative to Autocad
The full gallery
Tech stack
27 projects

Draw and edit 2D CAD designs in your browser, then export as DXF or PDF — no installation or login required.
@KulmanLab · X
- a free and accountless alternative to Autocad

AI-powered notes app built with Codex and refined with Grok.
@Number1AIFanboy · X
I got to go to bed. More coding tomorrow. I just had a realization that I'm building cool shit, using @grok in an app that I built with Codex and refined with Grok. And now Grok just works on himself. LFG🚀 Drop me a note here: Get the app here (use LAUNCH50):

Generate AI images from text prompts without logging in, with free credits every 12 hours.
Nano Banana 2 AI — AI 图像生成工具(支持角色一致性保持与多步工作流,兼顾速度与质量),适合快速产出专业视觉内容

Collection of 125+ free calculators for finance, health, legal, real estate, and travel—no signup required.
@Arafat3599651 · X
Just launched 🧮 125+ free calculators — mortgage, BMI, debt payoff, compound interest, calories & more. No signup. No ads. Everything runs in your browser instantly. #buildinpublic #webdev #react

Generate code documentation automatically on GitHub pull requests.
Aldasams · HN
Show HN: DocFlow – AI documentation updates for GitHub pull requests

Design cellular automata patterns, animate them, and export as SVG.
@majo_puterka · X
Nerdy, browser-based pattern generator on Wolfram's cellular automata. SVG export, freehand mode, free.

Analyze chess games with natural language explanations using an open-source browser tool with no login required.
u/ICARUS_2X · Reddit
Spent 7 months building a FOSS platform for natural-language chess analytics (No LLM) Hey guys, I've released CHONSE2, an open-source game review platform that offers unlimited analysis and move explanations without using hallucination-prone LLMs, running entirely in your browser. chonse2.com But Lichess is free, so why use this? Some have asked. It expands on Lichess's feature set a few different ways: Full analysis (accuracy/elo estimations/eval graphs, etc) requir

Create and export flowcharts, sequence diagrams, ERDs, and other Mermaid diagrams online.
ghosts_ · HN
I've been slowly adding some new free tools to Moxie Docs (partly for SEO, partly to illustrate some of our feature sets before any commitment) for some reason this mermaid editor one blew up on Google rankings so I figured I'd share in case people find it useful! We also have ADR, AGENTS.md, LLMs, and a few other free tools.

Generate professional documentation for startups without coding or complex setup.
@hannah24_app · X

Mobile workspace for editing and previewing HTML/CSS/JS apps with AI integration.
u/heisenberg2995 · Reddit
I built a mobile workspace to edit and preview the HTML apps ChatGPT/Claude write for you. Hey everyone! I built VanillaPad , a mobile workspace for building simple HTML/CSS/JS projects. 👉 https://vanillapad.dev The idea came from something I kept running into. Sometimes I'd need a simple utility app or a quick landing page or to test a little game idea. Getting the initial code written was easy since I could just ask ChatGPT or Claude on my phone. The hard part came af

AI agent that generates, builds, runs, and deploys complete projects from text prompts.
@liquidated0x · X
building an AI coding agent that ships full projects from a prompt — if you're if you're curious

Detect Claude account ban risk and verify environment IP purity.
yacuo · GitHub
check-cc https://checkcc.org 是一个 Claude 运行环境检测与账号风险分析工具,面向正在注册 Claude 账号、订阅 Claude Pro、申请 Claude API、使用 Claude Code,或担心 Claude 封号、账号受限、订阅失败的用户。