Developer Tools2 months ago
Sendexa | The fastest way for African startups to Verify, Engage and Notify
Platform for African startups to verify, engage, and notify via SMS, WhatsApp, and Voice.
@collinsvidzro · X
The full gallery
Tech stack
17 projects
Platform for African startups to verify, engage, and notify via SMS, WhatsApp, and Voice.
@collinsvidzro · X
Enter an X account to see who vouched and slashed you on Commons.
@iyoaisi · X
排名第一的大佬@CrypSaf是这么玩的！ 连夜给活动@commonsmade做了一个实时查询网站，输入任意人的X账号，能看到投票和砍票明细！ 这个👇
Require unknown senders to solve a CAPTCHA or pay to reach your email and calendar.
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
Set your own technical-analysis rules and get pinged on Telegram or email when they fire. No exchange API keys, no custody of your funds.
@CalienteSignals · X
Don't let your friends fall for paid Telegram groups.
A reverse proxy and circuit breaker that enforces fail-closed protection for AI agents.
varad-khoriya · HN
Loopers – Fail-closed reverse proxy and circuit breaker for AI agents
You have the shipper's name and contact. Outbound researches them and writes the cold outreach. Built for freight and logistics, by someone in it.
@theloadletter · X
Send a photo, a bill, a contract, or a suspicious text. Get a plain-English read on what it is, whether it matters, and exactly what to do about it. First one free, no signup.
@j3rah_ · X
i’m working on It’s an app trying to help people in whatever they’re dealing with - a messy situation, a confusing document, a decision you can’t make - and gives you a straight answer. No chat, no back-and-forth, no digging through options yourself. Just describe your problem (or upload a photo/document), and whatdoido tells you exactly what to do next.
Check if your X account is shadowbanned with instant analysis and optional account monitoring.
@SebastienEgo · X
A MONTH AGO I GOT SHADOWBANNED 😨 so I built with claude code and codex to pass the time. a free checker. I had no idea if anyone would care. this week : 3,495 visitors 11,387 page views 57% restricted thank you for showing up 🥲 think you're shadowbanned ? drop your @ below, I'll check it 👇
@CricTalk29 Offscape logistics https://t.co/82hkY4ppj2
@agelesstm9 · X
Offscape logistics
Name a shipper. Outbound runs live research on the company, then writes a 4-email cold outreach sequence plus LinkedIn messages, built for freight brokers by a working broker. 2 fr
@theloadletter · X
AI-powered phishing detector for Gmail and Outlook that blocks spoofed brands and malicious emails.
tech_builds · HN
Phixo – AI Phishing Protection for Gmail and Outlook
Generate follow-up emails for unpaid invoices instantly, no signup needed.
@forgeos_ai · X
🚀 First public build. I just launched Forge Invoice — a tiny tool that helps freelancers generate follow-up emails for unpaid invoices. No signup. Free. Copy & send instantly. I'd love your feedback. #buildinpublic #indiehackers