Categories

Security

1. OSINT Workbench

Tom's OSINT Workbench is a free, open-source intelligence investigation tool for Windows. It enables structured, offline case management for tracking people, companies, domains, social profiles, emails, phones, addresses, usernames, and IP addresses as connected entities.Key features include entity-centric case management with typed relationships and confidence levels, visual link analysis with force-directed or hierarchical graphs, and paste & extract functionality that pulls structured data from URLs using public APIs like RDAP, DNS, Shodan, and crt.sh.The app supports snapshots & diffing to track changes over time, advanced search across all entities and notes, and self-contained HTML reports with embedded graphs and timelines. It also includes a built-in OSINT directory of 94 curated tools and resources.No accounts, no cloud, no subscriptions. All data lives in a portable SQLite file on your machine.Designed for analysts, journalists, and security researchers, the tool is entirely offline and private by design, with no telemetry or analytics.

Data Science & Analytics Developer Tools Security

2. IsTempMail

IsTempMail provides a simple JSON API to detect and block disposable email addresses in real time. It helps prevent spam, fake registrations, and free trial abuse by checking email addresses against a database of over 124,000 known temporary email domains."Simple works best. We have one endpoint for all functionality and give you an easy to parse and human understandable JSON response."The service offers a free plan with 200 API requests per month, and paid plans starting at $5/month for 5,000 requests. It also provides a WordPress plugin for easy integration, and API libraries for JavaScript and PHP.PlanPriceRequests/monthFree$0200Standard$55,000Plus$1015,000Pro$2050,000Max$501,000,000

APIs & Integrations SaaS Security

3. ShareWatcher

ShareWatcher enhances server security and automation by monitoring local and remote Windows File Shares and FTP servers. It tracks who accesses shares and when changes occur, providing real-time alerts via email, sound notifications, or Windows events. The tool also enables workflow automation by triggering custom scripts or using the QuickMove feature to instantly relocate new files. "Watch over your Windows shared files the easy way!" Ideal for managing sensitive data and streamlining file intake, ShareWatcher ensures you stay informed and in control of your network environment.

DevOps & Cloud Productivity Security

4. Unio Digital

From managed IT and cloud services to security systems and structured cabling, Unio Digital delivers integrated technology solutions that simplify ope

Security

5. FileShot

FileShot.io is a private file hosting and secure sharing platform that encrypts files directly in your browser before upload using AES-256-GCM encryption. The service operates on a zero-knowledge principle where servers only receive ciphertext they cannot decrypt, ensuring complete privacy.Privacy isn't a feature. It's the foundation.Key features include unlimited storage for any file format, password protection without requiring accounts, P2P direct transfers via WebRTC, and customizable expiration limits. The platform offers both free and paid Pro plans with additional capabilities like custom download pages, link slugs, and file tracking.Free PlanPro PlanUnlimited storageAll free featuresPassword protectionCustom download pagesBasic expirationAdvanced trackingP2P transfersPriority support

Developer Tools Security Web Development

6. Safety Checkpoint

CheckPoint is an automated emergency communication system. Set a check-in deadline, attach encrypted files, messages, vocal messages, and credentials to an emergency package, and choose who gets alerted if you miss it. Alerts are sent via email, SMS, and WhatsApp (soon).Built for solo travelers, night workers, protesters, families, and anyone in high-risk situations. Unlike GPS tracking apps, CheckPoint is privacy-first: no location sharing, no surveillance. Just proactive check-ins with end-to-end encrypted context.Features include recurring and heartbeat protocols, multi-level escalation chains, encrypted file storage, and cross-platform access. Free tier available with paid plans starting at $9.99/month for advanced protocols, SMS alerts, and encrypted storage.

SaaS Security

7. ReleaseRun

84 free browser tools for developers. No login, no paywall, no install. Covers: dependency health (npm, PyPI, Go, Cargo, Maven, Composer, NuGet, RubyGems), security scanning (Dockerfile, GitHub Actions, K8s YAML, Terraform), EOL checking (Node, Python, PostgreSQL, Docker), and utilities (HTTP headers analyzer, PromQL builder, Uptime SLA calculator, CVE dashboard). Built for engineers who want fast answers about their stack without reading changelogs.

Developer Tools Security