Sites and apps similar to Synthient include Cap Captcha, which is free and open source. Other options are Anubis, hCaptcha, IronWall and mCaptcha. You can choose from more than 10 Anti-Spam Tools like Synthient for self-hosting, Windows and Linux.
Trueguard identifies suspicious and fake emails at signup. So you can focus on onboarding real users. Detect email quality and checking against our domain database. Analyse the user's IP address to determine if they originate from suspicious sources like a VPN or proxy.
OverpoweredJS is a browser fingerprinting API designed to identify and track browser instances. It helps website operators distinguish unique users, detect potential bots and enhance website security. Supports all modern browsers, including Chromium-based browsers (Google...
Fraud detection and prevention with traffic quality scoring, using visitor identification and anonymity detection with up to 99% accuracy. Stops multi-accounting, account sharing, fake signups and ad fraud.
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