Alternatives

Products that do what Captcha to detect bots with a simple question does

1
Are You a Human?▲67
Ending the CAPTCHA agony in a unique way.
2013
2
No CAPTCHA reCAPTCHA▲181
Google's update to CAPTCHA just asks if you're robot
2014
3TC
The Captcha Experiment▲15
2011 · thecaptchaexperiment.com
4RC
Replace CAPTCHA with Proof-of-Work▲89
2014 · hashcash.io
5BD
Bot Detection API▲6
2016 · npmjs.com
6
WeHateCaptchas▲208
Keep the bots out without annoying your users
2019
7
Humans Not Invited▲237
CAPTCHA that filters out humans and only lets programs pass
2018
8
There Is A Bot For That▲219
Search engine for bots
2017
9AT
A tool to make a bot that speaks like you, learning from WhatsApp chats▲134
2018 · github.com
10TB
Telegram bot with filters to read Hacker News▲66
2016 · storebot.me
11AC
AI Captcha Solver for Chrome▲8
2023 · github.com
12BA
Botlist – An App Store for Bots▲128
2016 · botlist.co
13TT
Tricking the user to access history using CSS and captchas▲140
2014 · frantzmiccoli.github.io
14
Q&A Bot▲80
A smart bot which answers your Discord community's questions
2021
15FM
Facebook Messenger Bot – Voice Recognition, NLP, Restaurant/News Search▲57
2016 · github.com
16BF
Bot Finder for Messenger, Slack, Skype, Kik, Telegram▲12
2016 · botfinder.io
17BO
Botpress – Open-Source Bots Platform Written in JavaScript▲33
2017 · github.com
18IB
IsHumanCadence – Bot detection via keystroke dynamics (no CAPTCHAs)▲5
Feb 2026 · github.com
19FA
FriendlyCaptcha – a privacy friendly proof-of-work based CAPTCHA▲9
2020 · friendlycaptcha.com
20WW
WhatsApp Web Bot▲6
2018 · github.com
21RC
rePOWCHA – CAPTCHA that stops Humans, powered by crypto▲9
2021 · repowcha.com
22EO
Example of Bot for Whatsapp Web▲5
2017 · github.com
23BC
BotEngine – chatbots for LiveChat▲17
2017 · livechatinc.com
24BA
Botmaster – a new platform agnostic chatbot framework▲16
2016 · github.com

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