Security

BeVigil scans mobile apps and provides security scores based on its indexed app data.

Manage Windows Firewall rules and receive outbound connection notifications with Windows Firewall Control.

Re7 Labs advises DeFi protocols and curates on-chain risk, using research and in-house tooling across digital asset ecosystems.

FailSafe builds continuous security testing systems that probe applications, APIs, infrastructure, and AI systems for exploitable issues.

TryHackMe offers browser-based cybersecurity learning through hands-on labs and exercises for different skill levels.

IsLegitSite checks whether a website may be a scam and reports its reputation through the Site Trustworthiness API.

CoinLedger provides crypto tax preparation and forms, with support for exchanges, NFTs, DeFi, and cryptocurrency transactions.

DNSDumpster searches domain records and related hosts for domain research and reconnaissance.

Rootstock supports EVM-compatible smart contracts secured by the Bitcoin network, with tools for building scalable applications.

Apktool reverse engineers Android APK files and provides a repository for the project.

The Hitch proxy handles TLS connections for Varnish and is described by its project as open source.

Scan applications, APIs, networks, DNS, and cloud configurations for vulnerabilities using Nuclei.

Proxy Check provides a proxy detection API for identifying proxy connections used in online services and game servers.

Tracee monitors runtime security events and supports forensic analysis with eBPF instrumentation.

Read KrebsOnSecurity reporting on cybercrime, data theft, extortion, and other security news.

Revoke.cash helps inspect and remove token approvals and wallet permissions across Ethereum and more than 100 networks.

Bitonic lets users buy, sell, invest in, and store Bitcoin through a cryptocurrency service.

unblob extracts files from complex binary blobs and firmware images, supporting security analysis of embedded software.

OpenGPU Mainnet Explorer displays OpenGPU network transactions and statistics, including total transactions.

DNSai provides DNS lookups and analysis tools for records, WHOIS, blacklists, email authentication, and domains.

Terminate TLS connections through Hitch, a scalable TLS proxy from Varnish Software.

Set USB device authorization rules with USBGuard, a framework for controlling device access.

BleachBit cleans files to free disk space on Windows and Linux, with privacy maintenance listed in its project description.

Test browser fingerprinting characteristics with CreepJS, which displays fingerprint and WebRTC results.