anti-abuse

Free, open-source and self-hosted CAPTCHA alternative to reCAPTCHA. Privacy-first and powered by proof-of-work and instrumentation challenges.

GDPR, WCAG 2.2 AA, and EAA compliant, self-hosted CAPTCHA alternative with PoW mechanism.

Independent, privacy-first, self-hostable PoW CAPTCHA service made in EU

Refund Swatter Lite significantly reduces malicious refund risks by processing Apple's CONSUMPTION_REQUEST notifications and sending detailed consumption data back to Apple within the required 12-hour window, enabling Apple to make informed decisions on refund requests.

New/Updated. An open source list of ASNs known to belong to cloud, managed hosting, and colo facilities.

open-source mail forwarding stack

A high-performance C++ implementation of the Cap.js solver.

AbuseIPDB API v2 JavaScript client

Self-hosted Discord.js referral bot with personal invite links, weekly token quotas, smart confirmations, rewards and anti-abuse.

Deterministic abuse signals for domains/emails (with explain)

PEKA adalah aplikasi Android/iOS interaktif untuk menanggulangi kekerasan. Memudahkan warga melapor secara aman/rahasia, serta menyediakan data terintegrasi bagi instansi berwenang. Melalui teknologi, Peka meningkatkan efisiensi dan mempercepat tindak lanjut kasus, menciptakan lingkungan aman melalui kolaborasi digital.

Deobfuscated analysis of LinkedIn's in-browser extension fingerprinting (chunk.585) — 6,236 Chrome extensions actively probed via chrome-extension:// fetches plus a passive DOM scan, all sent to LinkedIn's tracking pipeline as AedEvent / SpectroscopyEvent. (forgive the overzealous branch name)

Privacy-preserving token issuance and verification in Rust: unlinkable single-use credentials (VOPRF + blind RSA) with nullifier-based double-spend prevention and sybil-resistant admission gates (PoW, WebAuthn, vouching).

Rust uMod plugin that prevents restraint abuse by enforcing maximum handcuff duration and safely teleporting victims to Outpost or Bandit Camp.

Compute receipts for pricing digital actions without identity or behavioral classification.

Python-first, self-hosted, privacy-friendly CAPTCHA platform with procedural challenges, REST APIs, JavaScript widget, admin dashboard APIs, PostgreSQL, Redis, and framework SDKs.

Anti Cheat/Anti Abuse tool for Rust server, using WebRCON

Synthetic marketplace, coordinated profit-ring detection, and counterfactual intervention lab

[experimental] free privacy-first, self-hosted CAPTCHA for the modern web. No Google. No telemetry. No visual puzzles. Protect your software from bots without handing over your users' data to a third party.