Open Source Continuous File Synchronization
GnuPG for Windows
A simple, modern and secure encryption tool (and Go library)
Multi-platform transparent client-side encryption for your cloud files
Keyper by Jarrid is a suite of crypto key management APIs
Keybase Go library, client, service, OS X, iOS, Android, Electron
A library for secure deleting data on-the-fly
Java application for encryption
A lightweight and easy-to-use password manager
Secure VPC Network Generator
PHP code to purify & filter HTML
receive an email when a file is accessed or modified on linux-unix
Single Linux or Windows binary for secure text encryption
UNiform Interface to COmputing and data REsources
Secure communication software
Secure wiping/shredding of free disk space with many methods
Powerful webdav client and sync tools with client-side AES encryption
The safest way to store private data in untrusted (cloud) environments
Display online (TLS, DTLS, OPC, QUIC, SMTP) & offline certificates
A simple file/folder encryption application based on the 7zip-full.
Petoron Quantum Standard (PQS)
Password Safe encrypted databases, Java library
Simple utility / application to verify integrity of any file and text.