Checksum is a continuous quality platform that autonomously generates, runs, and maintains tests so engineering teams can ship AI-generated code without trading speed for reliability.
Unlike copilots that wait for prompts, Checksum works as a background agent, detecting what needs testing, generating production-ready Playwright, and healing broken tests automatically. Seventy percent of failures resolve autonomously, keeping suites green without manual effort.
Built on fine-tuned data from 1.5+ million test runs, Checksum covers every layer of the SDLC: end-to-end, API, and CI testing from a single platform. Tests are delivered as standard Playwright code, submitted as a PR to your repo. No vendor lock-in.
Checksum integrates natively with Cursor, Claude Code, and 100+ coding agents via /checksum slash commands, so code is tested before a human ever reviews it. AI handles generation and healing on Checksum's cloud: no LLM tokens.
The result: ship faster, with confidence.
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Airlock Digital is an application control solution that enforces a Deny by Default security posture. It enables organizations to define trusted applications, scripts, libraries, and processes at a granular level using file hash, path, publisher, or parent process. Only those explicitly defined as trusted are allowed to execute. The platform supports Windows, macOS, and Linux systems, including legacy operating systems and operational technology (OT) environments. Airlock Digital includes allowlisting and blocklisting capabilities, integrated file reputation checks via VirusTotal, and detailed logging for audit and compliance. Exception management is supported through features such as rule-based overrides and time-bound One-Time Passwords (OTPs). Centralized policy management allows consistent enforcement across large and distributed environments. The platform is available as an on-premises deployment, in the cloud, or as a managed hosted service.
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FolderManifest
FolderManifest is an offline Windows desktop tool for analyzing, documenting, and verifying folder contents. It scans directories recursively and generates searchable HTML manifests capturing file structure, sizes, timestamps, and checksums — useful for detecting duplicates, validating backups, verifying integrity over time, and auditing folder states.
Runs entirely offline. No cloud, no accounts, no data leaves the machine. One-time lifetime purchase, unlimited scans.
Free browser-based tools also available at foldermanifest.com (no signup, files never stored): duplicate file finder, file comparison, folder comparison, checksum calculator (SHA-256, MD5, CRC32), file metadata viewer, and spreadsheet duplicate finder.
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