Alternatives
Products that do what Lttr does
Your physical mail, finally searchable
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AI Agents & Email deliverability experts on your team
Jul 2026 · mailadept.com
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2013 · mailrubber.me
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Private document management for families, expats & students
2025
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Hi HN :) really excited to share this with you. 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…
Jul 2026 · captchainbox.com
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Hi everyone — I’m Clark, creator of Keeps, a way to send physical postcards that play your voice with a quick QR code scan. WHAT IT IS Upload a photo (or pick from Unsplash), write a message, optionally add a 60 second voice note, and send a 4×6 postcard. QR code printed on the postcard links to a “digital card” that plays the audio. $5 flat, printing + postage included. No account required. WHY I BUILT IT I love mailing postcards to my family but hate it's a hassle (finding card, buying stamp, handwriting, praying it arrives on time). I wanted to merge the charm of physical mail, the warmth…
2025 · sendkeeps.com
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Hey HN- this is a project that took me a few weeks to build out. It's something I've been wanting to make for a long time, but never could connect the dots to see how it could be done. Sendity.com is a super simple way to send physical letter. I'm obviously not the first to this idea or anything, but since Lob.com makes printing+mailing so damn easy I thought I'd take a swing at it. I learned a lot about development throughout. I didn't expand much into their API but it has some awesome features I could cook in. Where do you think I could take it from here? I have grand ideas of what it…
2013
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