
Free Financial Calculators 2026 - Mortgage, Tax, Retirement, Debt
Calculate mortgages, taxes, retirement, and more using 470+ free financial calculators.
@AfridiMunir · X
The full gallery
Tech stack
60 projects

Calculate mortgages, taxes, retirement, and more using 470+ free financial calculators.
@AfridiMunir · X

Create professional PDF invoices in 40+ currencies including crypto, no signup needed.
@buildappfactory · X
Our three products

Generate AI images from text prompts instantly without login, with free credits every 12 hours.
Flux 2 AI — AI 绘画工具(无需注册即可生成 2K-4K 高清图像),支持多模型切换,适合快速创意验证与设计

One list, payments only, sorted by what's due next. No bank connection, ever. $9.99 launch price, or free for 5 payments.
@ramosivan · X

Free collection of 48 online calculators for finance, health, math, and everyday needs.
@avinashraj61815 · X
i vibe coded this week

Browse, buy, and sell fresh produce, groceries, and handmade goods on a free marketplace.
@JoshuaHenr3593 · X
Just launched: Free Market (FMK) 🛒 A free marketplace for sellers, artisans & delivery riders — inventory tools, sales tracking, and profiles, no fees. Check it out 👉 RTs appreciated 🙏 #FreeMarket #FMK #buildinpublic

Free forever: 500 submissions a month across 10 forms, no card. Email, Slack, Discord and Telegram delivery included. Paid plans from $9/mo.
@ritufadadu146 · X

Upload a receipt photo to split bills with friends using OCR and calculate fair shares privately in your browser.
@shad1126 · X
Vibe coded this last weekend and tried this today with some friends. Works like a charm so sharing whoever wants to use - 🎉 No backend, no API calls to AI agents/Claude/ChatGPT, etc. Pure OCR and basic arithmetic. Fully private in your browser! Go wild!!

Submit your product to compete on a live bid-based leaderboard ranked by Stripe payments.
marcushuang4595 · V2EX
[跟风作品] 最近竞价排行榜挺火,我也做了一个,看看能有什么效果 最近看到 Outbid 、WinBid 这类“付费竞价决定排名”的网站,觉得模式挺有意思。 规则简单直接,开发量看起来也可控,所以我跟风做了一个自己的版本: https://bidfight.lol 项目叫 BidFight ,玩法没刻意包装: - 提交产品、网站或个人项目,最低 $1 上榜 - 排名按照 Stripe 实际确认的累计付款金额决定 - 已上榜项目想提高排名,只支付目标金额与当前金额的差额 - 金额相同时,先达到该金额的排在前面 - 点击项目后会先统计次数,再跳转到目标网站 - 榜单、付款金额和点击数据都是真实的,不填充假项目 技术上用了 Vite 、Cloudflare Workers 、D1 和 Stripe 。 目前只有 1 个项目和 $1 的竞价,算是刚把完整流程跑通。这个模式是不是能带来流量、会不会有人愿意付费、榜单最后会变成什么样,我自己也不知道。 发出来主要就是想看看它最终能产生什么效果。 我比较想验证几个问题: 1. 大家会不会

List your product free. Money only buys position.
@BradleyrJacobs · X
is sitting sadly at $0

Use 20+ free online tools like invoice generator, QR code maker, and JSON formatter without signup.
u/Due_Wear9718 · Reddit
I built 20+ free online tools and a searchable database of 207 AI prompts - all free, no signup I was tired of getting garbage output from ChatGPT so I tested hundreds of prompts. I kept 207 that produce professional output across business, marketing, SEO, copywriting, coding, and more. I also built free tools: invoice generator, QR code maker, AI prompt generator, bio generator, hashtag generator, and 15+ more. All free, no signup: https://kyleqarbour-dot.github.io/freetools/ Prompt

Match with investors and access startup credits.
@vineeth_agi · X