Growth · alternatives · 2026
24 alternatives to Radr
A paywall for your email
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Radr launched in 2021; newer entries below may have overtaken it.
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Hello Inbox▲283Hey HN, I built an email deliverability SaaS with a RAG system. It's trained on all my knowledge and hundreds of real deliverability use cases from 4+ years experience as an Email Deliverability Specialist on Upwork. It solves a frustration problem a lot of businesses are experiencing. I'm looking for feedback so let me know in the comments.
Aug 2026 · helloinbox.email · its alternatives →
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Create unlimited email aliases for free. Protect your real email from spam by using a different address for each service. Privacy friendly, anonymous replies.
2019 · anonaddy.com · its alternatives →
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2020 · inboxfee.com · its alternatives →
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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 · its alternatives →
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Always land in Inbox by establishing sender reputation
2021 · warmupyour.email · its alternatives →
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This userscript adds archive URLs to the metadata section of HN submissions without breaking the immersion. Here are 2 screenshots: https://imgur.com/a/PdUu6oG GreasyFork: https://greasyfork.org/en/scripts/452024-hacker-news-anti-pa... Source code: https://github.com/MostlyEmre/hn-anti-paywall Now let me overexplain. -Why?- I never liked paywalled articles. I understand where they come from, but I don't like where we cross our paths. This is why I don't use major news aggregators anymore. Instead, I spend my…
2022 · github.com · its alternatives →
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How-to send B2B emails without triggering spam filters
2020 · belkins.io · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →