Dev tools · alternatives · 2026

24 alternatives to SpamAttacker

End SMS spam by wasting spammers time and money

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

1SW
Spamnesty: Waste spammers' time▲405
2016 · stavros.io · its alternatives →
2
Your Domain Bot▲295
Telegram bot for domain monitoring
2023 · its alternatives →
3
Shieldy▲126
A zero-config Telegram bot that fights spam in chats
2018 · its alternatives →
4
Vetter▲134
Test if your emails will be spammed, using real accounts.
2020 · its alternatives →
5
mailX by mailwarm▲602
Email deliverability toolkit for humans and AI agents
May 2026 · themailx.com · its alternatives →
6
You've Got Spam▲309
A new tool that lets you spam back the spammer
2020 · its alternatives →
7
SMS Junk Filter for iOS▲102
Block unwanted SMS spam text messages
2017 · its alternatives →
8
Referrer Spam Remover▲229
Remove spam bots from your Google Analytics data
2016 · its alternatives →
9
Bot Butcher▲106
API for classifying contact form spam
2023 · its alternatives →
10
Agent SRIHAN▲169
Check & fix spam flags on your business phone number
2025 · srihan.ai · its alternatives →
11
Spam Check▲93
A free JSON API to check your email messages' spam scores
2015 · its alternatives →
12
Hiya▲86
Know who's calling or texting and block spammers on Android
2016 · its alternatives →
13
Mail Tester▲307
Test the spamminess of your email
2016 · its alternatives →
14
SMS Shield▲112
Machine Learning-based SMS spam filter for iOS 11
2017 · its alternatives →
15
Email Spam Checker by Autoklose▲105
Send spam-free, high-converting emails
2020 · its alternatives →
16
Clean SMS▲92
Filters out spam SMS on your Android phone
2015 · its alternatives →
17SA
SQRL – Anti-spam rules language Twitter acquired in 2018, open-sourced▲200
Hey all, author here! This is a demo of the rules engine we built to fight spam/abuse on the internet. It was built based on learnings from Facebook & Google, while trying to make a language that makes it simple for anti-spam analysts to quickly (and safely) deploy rules to production. Unfortunately it looks like the Twitter event feed is temporarily down (they're blocking it, possibly as part of shutting down the API on Thursday). I have a cache of events from a little earlier that I'm going to try play through the stream.
2023 · websqrl.vercel.app · its alternatives →
18
Message GPT▲101
ChatGPT in WhatsApp & Telegram
2023 · its alternatives →
19
Owly▲108
An AI powered iOS mobile app that blocks spam messages
2024 · its alternatives →
20
Guard.dm▲98
Make the spammers pay, literally
2023 · its alternatives →
21
DomainWatchBot▲116
A bot that tells you when your domains are about to expire
2017 · its alternatives →
22
analyze.email▲136
Test the spam-y-ness of your emails
2017 · its alternatives →
23
Truecaller Assistant - Call Screening▲146
Let your assistant answer for you
2022 · its alternatives →
24AO
An open source access logs analytics script to block bot attacks▲37
This is a small PoC Python project for web server access logs analyzing to classify and dynamically block bad bots, such as L7 (application-level) DDoS bots, web scrappers and so on. We'll be happy to gather initial feedback on usability and features, especialy from people having good or bad experience wit bots. *Requirements* The analyzer relies on 3 Tempesta FW specific features which you still can get with other HTTP servers or accelerators: 1. JA5 client fingerprinting (https://tempesta-tech.com/knowledge-base/Traffic-Filtering-b...). This is a HTTP and TLS layers…
Oct 2025 · github.com · 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 →