:fire: Android developers should collect the following utils(updating).

Certbot is EFF's tool to obtain certs from Let's Encrypt and (optionally) auto-enable HTTPS on your server. It can also act as a client for any other CA that uses the ACME protocol.

Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security Across All Databases.

Let's Encrypt/ACME client and library written in Go

Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.

Headless CMS with automatic JSON API. Featuring auto-HTTPS from Let's Encrypt, HTTP/2 Server Push, and flexible server framework written in Go.

A tiny script to issue and renew TLS certs from Let's Encrypt

A fully automated HTTPS server powered by Nginx, Let's Encrypt and Docker.

DNS over HTTPS config profiles for iOS & macOS

OpenPDF is an open-source Java library for creating, editing, rendering, and encrypting PDF documents, as well as generating PDFs from HTML. It is licensed under the LGPL and MPL.

End-To-End is a crypto library to encrypt, decrypt, digital sign, and verify signed messages (implementing OpenPGP)

Simple Encryption in PHP.

Nginx webserver and reverse proxy with php support and a built-in Certbot (Let's Encrypt) client. It also contains fail2ban for intrusion prevention.

An FHE compiler for C++

A browser extension that encrypts your communications with many websites that offer HTTPS but still allow unencrypted connections.

👻Stowaway -- Multi-hop Proxy Tool for pentesters

Encrypt and Decrypt files securely in your browser.

Command-line control panel for Nginx Server to manage WordPress sites running on Nginx, PHP, MySQL, and Let's Encrypt

DEPRECATED: Automatically request certificates for Kubernetes Ingress resources from Let's Encrypt

:lock: acmetool, an automatic certificate acquisition tool for ACME (Let's Encrypt)

Generates attr_accessors that encrypt and decrypt attributes

一款自动对字节码中的字符串进行加密Android插件工具

On the fly (and free) SSL registration and renewal inside OpenResty/nginx with Let's Encrypt.

PHP source code encrypt module (PHP源码加密扩展)

Free, automatic HTTPS certificate generation for ASP.NET Core web apps

transparently encrypt files within a git repository

Professional ACME Client for Windows (and now cross-platform via Certify Management Hub). Certificate Management UI, powered by Let's Encrypt and compatible with all ACME v2 CAs. Used by over 150,000 organisations. Download from certifytheweb.com

Encryptr is a zero-knowledge cloud-based password manager / e-wallet powered by Crypton

Android Shared preference wrapper than encrypts the values of Shared Preferences. It's not bullet proof security but rather a quick win for incrementally making your android app more secure.

Bypass Chromium's App-Bound Encryption via Direct Syscall-based Reflective Process Hollowing. Extract cookies, passwords, payment methods & tokens from Chrome, Edge, Brave & Avast - fileless, user-mode, no admin required.