The Ray Tracing in One Weekend series of books
Qtum Core Wallet
WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
A lightweight and easy-to-use password manager
View and manage processes, services and more with this powerful tool
A security tool to remove sensitive data from your Windows hard drive
An open-source x64/x32 debugger for windows.
Popular easy-to-use and secure password manager
Open source disk encryption with strong security for the Paranoid
SSL VPN Client for Windows (OpenVPN).
Professional password generator and manager with full Unicode support
SKUDONET Open Source Load Balancer and Web Application Firewall
Hash Calculator
For full, incremental, compressed and encrypted backups or archives
Browse on Tor/i2p, Anon p2p Chat / FileTx, Conf / Video VoIP
VanitySearch is a Bitcoin address prefix lookup tool.
Gets a text from any window of an operating system including passwords
FIDO® Certified StrongKey FIDO Server (SKFS)
Solving the Satoshi Puzzle
UTF-8 Multi-pass Tableau de Vigenère Encryption Rotation Engine
aBLhackPsw v7.0 - Password recovery tool
Bringing intranet on the internet with Zero-Config Mesh VPNS.