Alternatives
Products that do what FormSentry does
Smart Shopify contact form spam protection, no CAPTCHA
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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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I've been researching the bot & proxies space for years. I slowly incubated a service to protect public forms, contents and APIs. It recenty reached a few million daily requests and I now dare to bring it to light. Truesign detects bots, proxies/vpns and fake emails, through a single request from the browser, without challenges or user interaction. It can block the request based on rules you choose, or grant a token with encrypted information about the visitor for you to decide. I created a few pages to showcase how it works: - https:/demo.truesign.ai/protected-form : a form…
Oct 2025 · truesign.ai
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2019 · approveapi.com
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Most sites I work on have at least one contact form and I got tired of building out the logic to send them and handle the spam into every project. I built and launched Sendfly for myself 5 years ago and it's been a rock solid service that I've relied on ever since. Recently I've done a full re-write, simplifying the product and making it super affordable. I wanted to share it here in case it comes in handy for someone else. There are lots of competitors out there but I found them too expensive for my needs. For $15/year you get unlimited forms and 5,000 form submissions every year.…
2022 · sendfly.io
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2021 · powreach.com
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