Dev tools · alternatives · 2026

24 alternatives to Solic

Stop Spam and Threats for Good

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Solic launched in 2024; newer entries below may have overtaken it.

1
mailX by mailwarm▲602
Email deliverability toolkit for humans and AI agents
May 2026 · themailx.com · its alternatives →
2
hi.new▲570
Prevent spam, stay reachable
2024 · its alternatives →
3
Anti-Spam Protection WordPress Plugin▲5
Enhanced Anti-Spam Protection WordPress Plugin
2024 · its alternatives →
4
FormSanitizer▲160
Stop spammy form submissions with custom filters.
2025 · its alternatives →
5
Inbox Ignite▲85
Prevent your emails from going into spam
2019 · its alternatives →
6
You've Got Spam▲309
A new tool that lets you spam back the spammer
2020 · its alternatives →
7SW
Spamnesty: Waste spammers' time▲405
2016 · stavros.io · its alternatives →
8
Gated▲263
Reduce unwanted email, support your favorite cause
2022 · its alternatives →
9
Gapflow.io▲141
Spam filter, autoreply & forwarding for Webflow native Forms
2025 · its alternatives →
10
Verifier▲244
Weed out disposable, non-existent domains or invalid emails.
2019 · its alternatives →
11
MailOptin▲134
WordPress plugin to grow & engage your email list.
2017 · its alternatives →
12
Sentrya 2.0▲139
Get rid of spam and useless junk from your Gmail inbox
2024 · its alternatives →
13
Email Spam Checker by Autoklose▲105
Send spam-free, high-converting emails
2020 · its alternatives →
14
Vetter▲134
Test if your emails will be spammed, using real accounts.
2020 · its alternatives →
15
Guard.dm▲98
Make the spammers pay, literally
2023 · its alternatives →
16
Folderly Lens ▲107
Domain health analysis for high performance email campaigns
Jul 2026 · lens.folderly.com · its alternatives →
17
DMARC Digests▲101
Protect your brand from email scammers.
2020 · its alternatives →
18
Stop▲9
Tell sales emails to just stop
2023 · its alternatives →
19
Musubu▲64
Block spam, malware, and more from your WordPress site
2019 · its alternatives →
20
SpamSieve▲71
Add powerful spam filtering to your Mac’s e-mail client
2018 · its alternatives →
21
Think CaptchaPro▲8
ThinkCaptcha WordPress Plugin Anti-Spam & Bot Protection
2025 · thinkplugin.com · its alternatives →
22
Make senders work to get into your inbox▲44
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 →
23
SpamGenius▲16
Stop drowning in spam. The AI cleaner for Gmail.
Nov 2025 · spamgeni.us · its alternatives →
24IB
I built a tool to stop cold email spam (Unspam.io)▲9
Hi HN! I'm Louw, founder of the enterprise insurtech scale-up Root[0]. Over the last 8 years, my inbox has been flooded with unsolicited emails, especially since early 2023. Recruitment services, outsourced software development agencies, and a crazy amount of lead generation services (thanks, Apollo!) drowned my inbox. To solve this, I created Unspam. Initially, it was a simple tool for myself and fellow founders to reduce noise. And it worked — about 10% of my emails were swiftly and accurately categorized as unsolicited messages. Given its success, I've decided to package and share Unspam…
2024 · unspam.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 →