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An end-to-end encrypted photo-sharing platform (alternative to Google Photos, Apple Photos).

End-to-end encrypted password manager with a built-in email alias generator and server.

"rsync for cloud storage" - Google Drive, S3, Dropbox, Backblaze B2, One Drive, Swift, Hubic, Wasabi, Google Cloud Storage, Azure Blob, Azure Files, Yandex Files

Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.

The slightly more awesome standard unix password manager for teams

Collaborative password manager.

General purpose TLS and crypto library

A free, secure and open source app for Android to manage your 2-step verification tokens.

:key: stateless open source password manager

🧰 A zero trust swiss army knife for working with X509, OAuth, JWT, OATH OTP, etc.

Dead-simple application to securely communicate passwords (or text) over the web. Passwords automatically expire after a certain number of views and/or time has passed.

The wolfSSL library is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3 and DTLS 1.3! Update to wolfSSL 5.9.1 for the latest CVE fixes.

Set up your own OpenVPN server on Debian, Ubuntu, Fedora, CentOS, Arch Linux and more

Cross-platform backup tool for Windows, macOS & Linux with fast, incremental backups, client-side end-to-end encryption, compression and data deduplication. CLI and GUI included.

A cross-platform programmable network tool

The SMS Gateway for Android™ app enables sending and receiving SMS messages through an API that can be accessed directly on the device or via a cloud server when direct device access is not possible.

WireGuard VPN server installer for Ubuntu, Debian, AlmaLinux, Rocky Linux, CentOS, Fedora, openSUSE and Raspberry Pi OS. Includes interactive setup and client management.

Set up your own IPsec VPN server in just a few minutes, with IPsec/L2TP, Cisco IPsec and IKEv2. Supports Ubuntu, Debian, CentOS/RHEL, Alpine Linux and Raspberry Pi OS. Includes client config and management scripts.

Free Zip / Unzip software and Rar file extractor. Cross-platform file and archive manager. Features volume spanning, compression, authenticated encryption. Supports 7Z, 7-Zip sfx, ACE, ARJ, Brotli, BZ2, CAB, CHM, CPIO, DEB, GZ, ISO, JAR, LHA/LZH, NSIS, OOo, PAQ/LPAQ, PEA, QUAD, RAR, RPM, split, TAR, Z, ZIP, ZIPX, Zstandard.

rustic - fast, encrypted, and deduplicated backups powered by Rust

Lightweight vault and password manager for Android, KeePassDX allows editing encrypted data in a single file in KeePass format and fill in the forms in a secure way.

Yet Another Dotfiles Manager

Secure and private space online where you can store, share and view your photos, videos, music and documents. Also includes a calendar, news feed, task lists, chat and email client.

An implementation of the TLS/SSL protocols

Bitwarden-compatible server running on Cloudflare Workers

Docker image to run an IPsec VPN server, with IPsec/L2TP, Cisco IPsec and IKEv2. Auto-generates server config and supports VPN client setup on Linux, Windows, macOS, iOS and Android.

Password manager app for Android

Microsoft SEAL is an easy-to-use and powerful homomorphic encryption library.

Cryptographic filesystem for the cloud

One-Time-Secret sharing platform with a symmetric 256bit AES encryption in the browser.

KeePassXC is a cross-platform community-driven port of the Windows application “KeePass Password Safe”.

Deduplicating archiver with compression and authenticated encryption.

Share encrypted secrets cross organizations, or as private persons.

A simple, secure and modern file encryption tool (and Rust library) with small explicit keys, no config options, and UNIX-style composability.

Node.js bindings for Argon2 hashing algorithm

Store securely encrypted backups in the cloud!

KeePassXC Browser Extension

Multi lingual image hosting service with a simple resizing and upload API.

全龄段友好的C#万能工具库，码数吐司库，包含一些常用的操作类，大都是静态类，加密解密，反射操作，权重随机筛选算法，分布式短id，表达式树，linq扩展，文件压缩，多线程下载，硬件信息，字符串扩展方法，日期时间扩展操作，中国农历，大文件拷贝，图像裁剪，验证码，断点续传，集合扩展、Excel导出等常用封装。诸多功能集一身，代码量不到2MB！

支持国密SM2/SM3/SM4/SM9/SSL的密码工具箱

A simple vaultless password manager in Go

Password protect a static HTML page, decrypted in-browser in JS with no dependency. No server logic needed.

Encrypted overlay filesystem written in Go

Homomorphic Encryption demos

Protect your data against global mass surveillance programs.

iText for Java represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enhance PDF documents, iText can be a boon to nearly every workflow.

AuthPass - Password Manager based on Flutter for all platforms. Keepass 2.x (KDBX 3 and KDBX 4) compatible.

A curated list of cryptography resources and links.

Disk encryption with strong security based on TrueCrypt

:mailbox_with_mail: Easily and securely share files from the command line. A fully featured Firefox Send client.

:busts_in_silhouette: A bash-tool to store your private data inside a git repository.

Jasypt integration for Spring boot

age-encrypted secrets for NixOS and Home manager

Spacedrive is an open source cross-platform file explorer, powered by a virtual distributed filesystem written in Rust.

A native macOS KeePass client

Free cross-platform password manager compatible with KeePass

Abracadabra 魔曰，古文风文本加密工具

A modern, open source password manager for individuals and teams.

Reverse engineering WhatsApp Web.

🔑🔥📈 Next Level PGP

A script for compiling OpenSSL for iOS Devices (iPhone, iPad, Watch, iPod Touch, AppleTV, MacCatalyst)

✔️ Secure, simple key-value storage for Android

FUSE driver for APFS (Apple File System)

Encrypt and Decrypt files securely in your browser.

HElib is an open-source software library that implements homomorphic encryption. It supports the BGV scheme with bootstrapping and the Approximate Number CKKS scheme. HElib also includes optimizations for efficient homomorphic evaluation, focusing on effective use of ciphertext packing techniques and on the Gentry-Halevi-Smart optimizations.

WireGuard Guide. Learn all about WireGuard for Networking and in the Cloud (Microsoft Azure, AWS, and Google Cloud).