
Email Verification & Deliverability Platform | Mailthentic
Verify email addresses and check domain health to improve campaign deliverability.
@mailthentic · X
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Verify email addresses and check domain health to improve campaign deliverability.
@mailthentic · X

Look up IP addresses to get country, ASN, and organization data via API or web interface.
@IPClues · X
Hey, developers and SaaS founders, this is newly hatching Internet Intelligence. is an IP-to-Geolocation service for you head over and test before it is released to public.

Look up crime, schools, and costs for military bases to help plan your move.
@jusDiggingholes · X
Not really a saas or startup. Retired military here. We get moved a lot. Making a site for military or retirees to get a good snapshot of their next or last base area: Crime. Schools. Costs etc.

Connect Gmail accounts to automate email sending and track opens and clicks.
@KenziChenBuilds · X
Hey! Developer behind Always looking for feedback to make it better.

Find and remove exposed personal data like addresses and phone numbers from data brokers.
@erasepersonal · X

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.

Manage mobile home parks with SMS rent collection, digital leases, and maintenance tracking.
u/TheeCloutGenie · Reddit
RV Park SAAS So that I’ve used wispr flow to help write this so it’s a disclaimer. I recently built myparkoffice.com , and to be honest, it started as total "AI slop." I asked AI to identify a "pen and paper" industry that was ripe for AI disruption. When it suggested RV parks, I thought I’d struck gold. A low-tech niche with clear inefficiencies? Sounds like the perfect solo-founder dream, right? I leaned heavily into AI to build the entire thing, treating it more like a fun experiment th

Protect your email and calendar by requiring unknown senders to solve a CAPTCHA or pay a fee.
felixdoerp · HN
Hi HN, The one thing AI reliably does is generate noise. Half the tools I see launch are just machines for producing more noise across more channels. And people are starting to see this in the form of emails in their inboxes as spam filters are struggling. There used to be a useful signal in email: the effort a sender put into customizing a message was a rough proxy for how relevant it actually was. AI killed that. Now it's customized slop with the appearance of effort with none of the cost. It is painful that the open internet / open channels have been abused like this. Captchainbox applies the idea of proof-of-work to email. If a sender is willing to do a bit of work to reach you, the message is more likely to be worth your time and the sender more likely to be real. The work is a traditional captcha. You can also set a pay-to-deliver amount if you want more friction. The proceeds of the delivery payment after transaction costs go to the Internet Archive and the EFF. The tool curr

Free collection of 12 online generators for QR codes, passwords, business names, quotes, and more.
@Oriam216 · X
Just launched AltosTools 🧰 — 12 free online generators in one place. QR codes, passwords, business names, price quotes & more. No sign-up, works on mobile, runs 100% in your browser. Try it 👉 #buildinpublic #freetools #indiehackers

Find verified sales prospects and launch personalized email campaigns based on your ideal customer description.
@buildwitbrandon · X

Look up any IPv4 or IPv6 address across geolocation, ASN, registry, and IP reputation sources in one clear report.
@fatwang2ai · X
做了一个 IP 检测工具: 开源。一次查询汇总 13 个数据源的风险评分、代理/机房类型和网络归属。不同平台的判断经常不一样,有些数据库甚至提供付费修正机制。与其只信某一家,不如把共识和差异放在一起看,更全面地了解你的 IP

Find local businesses, score potential clients, and generate WhatsApp pitches to manage your freelance sales pipeline.
@AbosiGodwin · X