1945 Open source projects that are alternatives of or similar to ProtonClient

📩🛡 Email privacy. Anonymously send and receive with alias forwarding.

Postfix filter/hook to automatically encrypt outgoing emails with PGP/GPG

A secure and PGP enabled webmail module for Phosphorus Five

Tutanota 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.

Ido is a clean, simple, Polymail-inspired theme for Mailspring

Creates Wireguard configuration for hub and peers with ease

Email tracker, read receipt and spy pixel blocker plugin for macOS Apple Mail

Command-line interface for email management

Private Decentralized Communication Network 🎭 🧅

Anonymous web chat server, built on top of Themis/WebThemis

Tessera - Enterprise Implementation of Quorum's transaction manager

⚡️Arduino Mail Client Library to send, read and get incoming mail notification for ESP32, ESP8266 and SAMD21 devices. The library also supported other Arduino devices using Clients interfaces e.g. WiFiClient, EthernetClient, and GSMClient.

Berty is a secure peer-to-peer messaging app that works with or without internet access, cellular data or trust in the network

Self-hosted Wireguard Installer / Manager for CentOS, Debian, Ubuntu, Arch, Fedora, Redhat, Raspbian

Tanker client-side encryption SDK for JavaScript

coyim - a safe and secure chat client

opmsg p2p transport network

Zero-details, privacy-focused in-app file system.

Secure storage for personal records built to comply with GDPR

A lightweight encryption tool designed for ease of use.

MagicPad is an encryption suite for beginners. It is designed to be run standalone via the browser or executable (Electron).

Cryptee's web client source code for all platforms.

Encrypted, taggable, searchable cloud storage

crypto.graphics

⚗️ a privacy centric matrix client

Native Mac APIs for Go

Secure, human-friendly, cross-platform secrets and config.

Cingulata (pronounced "tchingulata") is a compiler toolchain and RTE for running C++ programs over encrypted data by means of fully homomorphic encryption techniques.

🔑 Free Offline Password Manager

Peer-to-peer encrypted message exchange

opmsg message encryption

End-to-end encrypted instant web chat

A p2p, secure file storage, social network and application protocol

qTox is a chat, voice, video, and file transfer IM client using the encrypted peer-to-peer Tox protocol.

Anonymous email forwarding

PROJECT MOVED: https://git.silence.dev/Silence/Silence-Android/ (GitHub is just a mirror.)

Brandis: End-to-end encryption for everyone

基于 Net.Mail 封装的发送邮件工具类。仅需一行代码，发送邮件。支持自定义邮件发出邮箱、发出方名字等。 支持SSL加密发送。 多个接收人、抄送人。支持群发独显。 支持添加附件、多个附件。 目前大部分主流邮箱全支持。

Adds email sending capability to a Nuxt.js app. Adds a server route, an injected variable, and uses nodemailer to send emails.

A lightweight SMTP mail library

I2P-Bote is a serverless, encrypted e-mail application.

The dum^H^H^Hsimplest encryption tool in the world.

Zebra Crossing: an easy-to-use digital safety checklist

Share sensitive info without leaving a trace in your chat logs or email accounts.

Fully featured, open source, privacy friendly email app for Android

Encrypted Chat. No History. No Logs.

🔥 YouTube playlist player for desktop. Free, no YouTube ads, floating window. Available for Linux, Mac and Windows.

🛡🛠 You are being watched. Protect your privacy against global mass surveillance.

✅ .NET crypto done right. Professionally audited.

End-To-End File & Message Encryption For Discord

This library integrates Postal with the standard Laravel mail framework.

QuoteFix for Apple Mail —

Golang package for send email. Support keep alive connection, TLS and SSL. Easy for bulk SMTP.

isBizMail tells you whether a given email address belongs to a free email account provider (gmail.com, yahoo.es, yandex.ru etc) or not.

Slack alternative, email integrated, build with Meteor

📱 Wire for iOS (iPhone and iPad)

[MIRRORING REPOSITORY] See https://gitlab.com/mailcare/mailcare. MailCare is an open source disposable email address services. Accessible via web browser or API to protect your privacy right now.

A single management utility to administer Location Services, Contacts requests, Accessibility, and iCloud access in Apple's OS X.

MailTrap has been renamed to Sendria. Please use Sendria now, MailTrap is abandoned. MailTrap is a SMTP server designed to run in your dev/test environment, that is designed to catch any email you or your application is sending, and display it in a web interface instead of sending to real world.

🄯Curated lists of hosts files with various domain blocks.🄯