A shadowsocks client for Android
Next Generation of ShadowsocksX
Multi-platform transparent client-side encryption for your cloud files
CLI wrapper around aws-encryption-sdk-python
WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
Add digital signatures to PDF documents - GUI and CLI, cross-platform
Professional password generator and manager with full Unicode support
GnuPG 2.2, 2.3 and 2.4 distributions for OS X / macOS
Free GUI replacement for Java command-line utilities keytool/jarsigner
Implementation of the EDIINT AS2 protocol (RFC 4130)
For full, incremental, compressed and encrypted backups or archives
Digital Signature & eSigning software. Bulk PDF signing. Sign all Page
cross-platform, encryption application
Advanced notepad with functions of protection
A cross-platform crypto-steganography toolkit
UFONet - Denial of Service Toolkit
Encrypt and decrypt an image