
Free Invoice Generator — Create Professional PDF Invoices Online
Create professional PDF invoices in 40+ currencies including crypto, no signup needed.
@buildappfactory · X
Our three products
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Create professional PDF invoices in 40+ currencies including crypto, no signup needed.
@buildappfactory · X
Our three products

Access 470+ financial calculators for mortgages, taxes, retirement, and more with instant results in 40+ currencies.
@AfridiMunir · X

Send and receive money in USD, EUR, and NGN with a debit card.
@FischervHelene · X
Check out what I just built with Lovable!

Personal finance tracker that stores transactions in original currencies with real conversion rates.
@aneta_dv · X

Compare retirement projections in Bitcoin versus Mexican AFORE savings accounts.
@edgadafi · X

Track and analyze multi-currency expenses with budgeting tools for travelers and digital nomads.
@andrejbuday · X
And th second one - - with completely new OG:image
Track Bitcoin supply metrics in real-time.
@_nikzzy07 · X
i've built my first app, its a BTC supply tracker i hope you guys like it!!

View live PENGU token prices, holders with labels, and exchange data.
@AaronTeng · X
A month ago I had ideas for and but no dev team So I just started vibe coding Prayer times, petrol prices, ringgit tracker, flood alerts, cuti planner, a live PENGU dashboard with labeled whale wallets All shipped solo with AI Last week I thought of a cuti planner feature at 2am. By 7am it was live with support for all 16 states and calendar export. That used to take a sprint cycle minimum I spent years managing product teams and writing PRDs. Now I write prompts and ship before breakfast Vibe coding will not replace real engineering for complex infra. But for a solo founder who wants to validate fast and ship tools people actually use? Nothing else comes close right now 🚀

Estimate long-term returns for index fund investments in multiple currencies.
@wjf110 · X
现在到底有多少人定投纳斯达克100?定投后收益怎么样? 我用 @dappOS_com 的 xBubble Coding 做了一个更直观的网站 收益预估计算: 如果你开始买纳斯达克指数基金会发现总推这方面的内容,搞得好像全世界很多人都在买这个东西。 觉得这个就是特别的主流,其实还是一个比较偏门的投资。 在 xBubble 找到了权威的数据,大概是400W左右 用人口除一下不难发现,大概就是万分之2.8,10000个人里面只有三个人在定投。 我又不是程序员,就随便描述了一下想要啥,十分钟就搞出一个能用的网站:支持切换不同指数、人民币/USDT/USDC 随便选、收集定投动态跳动的人数、年限对比表、漂亮图表、详细计算逻辑和风险提醒。 以前搞这些得配服务器、买域名、调 API、部署……头都大了。 现在 xBubble Coding 全帮你包了,真就是普通人也能 1 小时内把想法变成真产品 牛就牛在,它不是扔给你一堆代码让你自己折腾,而是端到端全搞定:界面、逻辑、数据、部署一条龙。 我这个计算器能实时算复利、自动刷新、还有表格和图表,看着就专业。 以后想加会员收费、接稳定币支付,也能继续聊着天就改。 不像别的 AI 工具只帮程序员写代码,它专门为咱们这些不会技术的个人创业者(OPC)和小团队设计的,直接卖的是能赚钱的完整生意 现在大厂的标准化产品只吃掉 20% 的市场,剩下 80% 都是各种奇奇怪怪的垂直、小众、短平快需求 xBubble Coding 帮你把技术门槛、雇人成本、试错成本全抹平了,让每一个脑子里的小想法都能快速变成能赚钱的生意。 别人还在用 AI 卷着写代码的时候,咱们已经用 xBubble Coding 把想法变成真金白银了。 用抗审查保护自己,用 SOP 降低风险,用对话式 Coding 快速增长。 这可能就是 AI 时代,普通人、小团队拿超额利润的最强基础设施

Purchase international travel eSIM profiles with cryptocurrency, delivered instantly via QR code, no registration required.
@tigerfpvteam · X
Building - eSIM store for buying eSIM instantly without any registration. For now supports only crypto payments but It's only starting point :)

Track live cryptocurrency prices that update every 30 seconds with persistent local storage.
@pending_d3v · X
Just shipped SouqTrack. A tool that tracks live crypto prices, built from scratch while learning JavaScript. Add coins, prices update every 30s, your list saves even after refresh. 🔗 #buildinpublic #javascript #webdev

Web3 platform with a fee-free crypto wallet, games, and gamified economy.
@chaos_mln · X