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将 Markdown 转换为视觉知识卡片，支持 30+ 主题和多格式导出。
md2card — MD2Card 在线工具，支持多主题，一键将 Markdown 拆分并生成知识卡片，支持 AI 魔幻卡片和长文智能拆分功能，可编辑，可导出 PNG/SVG/PDF，适合笔记分享与社媒传播
为员工设置个人健康报销安排(ICHRA)和免税HSA福利,仅需几分钟。
@Saif_rogue177 · X
用加密货币购买国际旅行eSIM，无需注册，无需身份验证，即时QR码配送。
@tigerfpvteam · X
Building - eSIM store for buying eSIM instantly without any registration. For now supports only crypto payments but It's only starting point :)
FreeFixo：125+ 免费计算器，涵盖金融、健康、法律、房产和旅游，无需注册。
@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
为 REST API 添加按请求付款网关，用 USDC 链上即时结算。
@0xanukul · X
创建在线群卡，为生日、活动和庆典收集祝福和礼物。
@puttythankeeu · X
online celebration group card to collect wishes in a central place
上传餐厅收据照片，AI扫描后与朋友按项目分摊费用。
u/getawaykid · Reddit
I got tired of doing receipt math at restaurants, so I built a free bill splitter with optional AI scanning TL;DR: Receipt Split splits restaurant bills by item. Free for manual entry + real-time sharing. AI photo scanning is optional and costs money to run, so I only charge for that part. I built Receipt Split after one too many dinners where someone said “let’s just split it evenly” while my friend was sitting there with a salad and everyone else had entrees + drinks. It’s a web app —
将 YouTube、PDF 转换为 Anki 学习卡，AI 自动生成。
u/holios89 · Reddit
Built an AI SaaS that turns your notes/articles/PDFs into study flashcards — looking for harsh feedback (and bugs) Hey folks, Solo/small side project here: Deckly ( deckly.one ) — an AI-powered flashcard generator for spaced-repetition learning (Anki-compatible export). You give it text, a PDF, or an article link, it generates a deck of flashcards (Q&A, Cloze, or multiple choice), optionally with TTS audio and images per card, and you can study it right in the browser or export to `.apkg`.
One-click TON staking service offering 20%+ APR with no setup fees.
@SonAle99671 · X
Hi! Love seeing builders connect like this. Followed you. I'm heads-down building Toki these days — free, unlimited AI for anyone, no subscription, powered by crypto you keep rather than spend. Always down to connect, let's keep in touch.
用 CountrySafe 的AI检查目的地安全，生成个性化行程，无需注册。
@TheFallen_jay · X
built this no signup,no pay in 1 hour
