
Free Financial Calculators 2026 - Mortgage, Tax, Retirement, Debt
用 470+ 个免费财务计算器计算抵押贷款、税收和退休。
@AfridiMunir · X
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用 470+ 个免费财务计算器计算抵押贷款、税收和退休。
@AfridiMunir · X

在一个地方整理笔记、任务、账单、事件和项目。
@MasterRubin007 · X
Check out what I just built with Lovable!

计算你的玛雅历日期、Dreamspell位置和13月亮周期。
@huangzekai003 · X
Codex helped me turn an idea into a real product as a solo developer. I used it to research, design, test, and launch a Mayan calendar website with accurate calculations and AI reports. Built with Codex. Shipped by one person. #Codex

根据公共假期规划假期来创造更长的假期时间。
u/NeedleWorker77 · Reddit
I built a vacation optimizer then found out tools like this already exist - I shipped anyway I created free tool longvacation.eu , first as something to try out new Copilot abilities. Later found out there are projects like holiday-optimizer.com that are solving similar issue, so I tried to differentiate. Longvacation supports adding your partner calendar (just one for now, but I plan to add multiple in the future) Longvacation contains multiple sources of holidays data - so countrie

学习伴侣,提供测试模拟器、闪卡和学习计划,支持阿拉伯语和英语。
@TALALJohn189315 · X
Check out what I just built with Lovable!

一个像纸质笔记本的每周待办应用,每周日决定任务是否延续或删除。
@faruque · X
TodoWeek: Works like a paper notebook, one week per spread, and every Sunday you decide what todos slide over to next week, and which ones get dropped. Mostly vibe coded with Claude Fable + Laravel 13 Vue starter kit.

追踪班次,预估薪资收入。
@reelblkbeard · X
I built Check My Shift for hourly workers to track shifts and estimate pay before payday. I’m looking for a few people to test it for a week and share honest feedback. Free beta:

MyCashBook is a free offline-first cash book app to track income and expenses, manage multiple cashbooks, and export reports — secure, fast, and private.
@imasaddogar · X
Hey everyone! I am selling this app. I also have many other great products available for sale. If you are interested, please send me a direct message (DM) for details!"

按祈祷时间组织每日伊斯兰诵念和纪念。
@madhawi1230 · X
Check out what I just built with Lovable!

用日、周、月视图规划课程,课程冲突时自动调整日程。
sunpy · V2EX
快开学了,专门给老师们做了个在线排课工具 最近做了个小工具-Teacher Planner ,可以帮老师提高排课效率,节省时间. 目前支持: * 自动排课,保存前先标出时间冲突 * 某节课被占,点一下顺延,后面受影响的课自动跟着挪 * 日 / 周 / 月视图共用一份数据,能直接打印 * 课程标准可以挂到具体课时上,方便查漏 * 中英双语 技术栈是 Next.js + Drizzle ORM + PostgreSQL + Better Auth 地址: https://teacherplanner.ai 免费版能建一份完整计划,欢迎试用、欢迎拍砖~

expenie — 跟踪开支、收入、账户和预算,支持定期规则。
@umarbashir · X
I just shipped my first ever SaaS product. It's a small personal fiance tracker especially to manage expense , incomes, loans, subscriptions, and set budgets for your expenses. You can find it here:

CalRemind 将日历约诊转化为 WhatsApp 提醒,为私人诊所设计。
@AgnisKulak15614 · X