
SpamCrackers — Free SPF, DKIM & DMARC Checker & Email Signal Standard
Grade a domain's email protection: check SPF, DKIM, DMARC, and MX records in your browser.
@domainfyrbrand · X
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60 projects

Grade a domain's email protection: check SPF, DKIM, DMARC, and MX records in your browser.
@domainfyrbrand · X

I built a markdown + HTML editor in the browser, I would love feedback Hey everyone, I just launched Doxy a browser-based editor that combines markdown and HTML. T
u/Foreign-Revenue6035 · Reddit
I built a markdown + HTML editor in the browser, I would love feedback Hey everyone, I just launched Doxy a browser-based editor that combines markdown and HTML. Think Overleaf but without LaTeX. It's free to write unlimited. Export to PDF. Paid plan adds AI + unlimited cloud storage. Works entirely in the browser. Would genuinely love feedback from people in this community what's missing, what's broken, what would make you actually use it. https://trydoxy.com/ sub

Free browser-based payroll calculator for Indian HR teams with EPF, ESI, PT, and TDS calculations.
@TusharArora89 · X
A free LOP splitter, salary proration, and PF ECR file generator for Indian payroll teams. Built around my own day job in payroll. No login, no ads. Already getting real usage across 8+ countries.

Paste a contract address to detect Ethereum rug pulls and scams instantly.
@mik3fly__ · X
Here is mine: Check for scam before being scammed!

Chrome extension that blocks distractions without blocking the websites you need.
@mashrurio · X

Validate your startup idea in seconds — honestly. Get a score, the buyer who actually pays, what could kill it, and the fastest way to test it. No signup.
@kasspianAI · X
Kasspian: describe your idea and get an honest read on it, then the specific places your first customers are actually hiding. Free, no signup.

@isha_singh06 Oookkkkk kindly check out https://t.co/qMy4Rxb4YC
@hsprafrique · X
Oookkkkk kindly check out

Chrome extension that organizes bookmarks visually on new tabs with workspaces and notes.
@IamYashKapoor · X
Built Tabisto (bookmark manager), a free Chrome extension and launched it in 5 days using Claude Code. Must try, you will really love it.

Cloud browser infrastructure helping AI agents automate web tasks at scale.
lexmount · GitHub
moli Best browser for AI agents, built in Rust.

Audit websites instantly for SEO, Core Web Vitals, accessibility, and security.
@proyecto_cripto · X

Browser extension that scans websites for trackers and cookies, giving you a trust score and one-click blocking.
@Vedant7312 · X
Guys, can we get 50 users? it is free to use. pls go go,, install in your browser. Hey builders! I want my timeline to be filled with @X founders, programmers, and marketers shaping the future of AI. if you're interested in: > AI > SaaS > Marketing > Vibe coding > Mobile apps > Founders in Seattle let’s connect below!

Create custom apps and tools in your browser without writing code.
thejarren · HN
Hey HN, I'm really excited to share Emra with you. The yc description would be: It's like "Notion meets Lovable". It's a workspace where you build full apps using AI and every app sits on one shared database and service layer. Generated apps are always editable, and (coming soon:) can interact with each other in the workspace. I'm of the opinion that the cost of software will go rapidly to zero (I don't think that's too surprising to any of you), but there will always be room for effort and creativity. Emra is essentially built for the future where every person is a developer. Essentially personal software for everyone. So far I've built notes apps with a 3d graph view to see connections, a video editing app and a canvas design tool (figma clone) with export capabilities, as well as a collection of project management tools and games. Right now the most satisfying thing is being able to fix a bug I run into in around the same amount of time that it takes to send a bug report in any tr