Developer Tools6 days ago
Email Verification API | Real-Time Validation for Developers | MailValid
Email verification API with real-time validation via syntax, domain, MX, and SMTP checks.
@sachinbapure · X
The full gallery
Tech stack
36 projects
Email verification API with real-time validation via syntax, domain, MX, and SMTP checks.
@sachinbapure · X
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
Free local-first API client for HTTP, WebSocket, GraphQL, gRPC, MQTT, and more. No account or cloud required.
@HalxDocs · X
Reqit—a fast, local-first API client for developers.
A customizable travel packing checklist you can check off, save, and print without signing up.
@singh_pranjwal · X
i have built an app: it is a tool that let people know what are the things they should be packing, there is no sign up required you can just check uncheck and download the pdf if you are a paper person, would love any feedback if any
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。
Free AWS bill scanner that runs in your browser with no signup or API keys required.
@malinuonuo · X
Day 1 live: I just shipped CloudSaver AI on Reddit. A free AWS bill scanner. No signup. No API keys. Runs entirely in your browser. Demo: #buildinpublic #aws #indiemaker
Ask a yes/no question and get an AI-powered tarot card reading for instant guidance.
Yes/No 塔罗 AI — 融合 AI 技术与塔罗洞见，快速获得"是"与"否"解答
Set up free business email accounts on your domain with webmail and API.
@collinsjimu404 · X
Ready to ditch gmail and yahoo emails for something professional? Claim up to 15 FREE business email accounts on your own domain ([email protected]). No card needed. Quick setup. Professional, secure, and built to grow your brand. Start now.
Convert AI-generated text into natural, human-like writing instantly.
fendouai · GitHub
humanize-text-skill Free AI Humanizer: Humanize AI Text Online
Free online PDF editor with 51 tools for merging, signing, OCR, and translation—works offline, no login needed.
@zubidavies · X
Manage your subscriptions privately without linking your bank or email accounts.
@MySubLedger · X
SubLedger is a privacy-first subscription tracker built for the way subscriptions actually work — shared family plans, employer reimbursements, and multiple devices.
Free no-login business tools for freelancers: invoicing, VAT calculation, quotations, expenses, and naming.
@tools_loop · X