Showing 88 open source projects for "email"

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  • 1
    K-9 Mail

    K-9 Mail

    Open Source Email App for Android

    K-9 Mail is an advanced, open-source email client for Android that's focused on making it easy to chew through large volumes of email. It's designed to be easy to use by both novice and power users, with plenty of useful features. It has IMAP push email support, support for multiple accounts, support for POP3 and Exchange 2003/2007 (with WebDAV), flagging, filing, signatures and more!
    Downloads: 11 This Week
    Last Update:
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  • 2
    Tutanota

    Tutanota

    Open source email service with a strong focus on security and privacy

    Tutanota is an open source email client focused on security and privacy. It is built with end-to-end encryption and 2FA, so you can be assured of utmost email security. Tutanota is always encrypted, so whether you’re using their secure webmail client, mobile apps or desktop clients, you can be sure to communicate securely.
    Downloads: 13 This Week
    Last Update:
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  • 3
    Thunderbird for Android

    Thunderbird for Android

    Open Source Email App for Android (fka K-9 Mail)

    Thunderbird Android is the mobile counterpart of the popular Thunderbird email client, reimagined for Android phones and tablets so users can access, send, and organize email from multiple accounts with advanced features found in desktop clients. It embraces modern mobile UI design while supporting robust email protocols (IMAP/POP3) and standards like OAuth for secure logins to services such as Gmail, Outlook, or custom mail providers.
    Downloads: 4 This Week
    Last Update:
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  • 4
    Proton Mail for Android

    Proton Mail for Android

    Proton Mail Android app

    Proton Mail for Android is the official mobile application that lets users access their Proton Mail encrypted email accounts securely on Android devices, providing the full suite of messaging features while preserving end-to-end encryption and user privacy. Designed for modern Android phones and tablets, the app lets users send, receive, organize, and search encrypted emails, create new Proton accounts, manage multiple accounts, and apply labels or folders to keep messages tidy — all within a responsive, touch-optimized interface. ...
    Downloads: 4 This Week
    Last Update:
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  • 5
    X-osint

    X-osint

    Open source OSINT tool for gathering data on emails, phones, and IPs

    X-osint is an open source intelligence framework designed to collect and analyze publicly available information from multiple sources. It focuses on gathering useful and credible data about entities such as phone numbers, email addresses, and IP addresses using a range of automated OSINT techniques. It provides investigators and researchers with a centralized interface for running information-gathering tasks that would normally require multiple separate tools. X-osint can also perform domain-related reconnaissance activities such as subdomain enumeration, DNS lookups, and host discovery to help identify infrastructure associated with a target. ...
    Downloads: 41 This Week
    Last Update:
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  • 6
    Session for Android

    Session for Android

    A Decentralized, Onion Routed, Private Messenger

    Session Android is the official mobile client for Session, a privacy-first messaging protocol that enables secure, anonymous messaging without requiring phone numbers, email addresses, or centralized user accounts. Built natively for Android, the app lets users send and receive end-to-end encrypted text messages, voice notes, images, and attachments in both one-on-one and group chats, all while routing data through a decentralized onion-routing network designed to protect not just message content but also metadata like sender ID, timing, and network location. ...
    Downloads: 28 This Week
    Last Update:
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  • 7
    SmsForwarder

    SmsForwarder

    Monitors Android mobile phone text messages, calls, and notifications

    ...Users can set custom logic so that certain messages or notifications trigger forwarding to group chat bots (like DingTalk or enterprise WeChat), webhook endpoints, email, push services (PushPlus, Bark), Telegram bots, and other channels, allowing flexible integration with communication workflows. In addition to basic forwarding, the app’s rule-based engine can filter messages, enabling selective forwarding based on content, sender, or event type, and it can even push details like call logs or device battery status. ...
    Downloads: 9 This Week
    Last Update:
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  • 8
    PassKit PHP SDK

    PassKit PHP SDK

    PHP SDK for Apple Wallet and Google Pay Membership, Loyalty, etc.

    ...Use the PassKit PHP gRPC SDK to issue and manage Apple Wallet and Google Pay Passes from your PHP application. Simply request your SDK credentials from the PassKit Portal. You will receive an email with your credentials on your registered email address. Follow the instructions in the email to decrypt key.pem, and then copy the .pem files into your project (in this project & for the examples to work they should be in the certs directory). Additionally, the PassKit portal facilitates management, distribution and simple analysis of your Mobile Wallet projects.
    Downloads: 0 This Week
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  • 9
    Berty

    Berty

    Berty is a secure peer-to-peer messaging app

    ...Just like blockchain technologies, Berty doesn’t pass your data through central servers - the place where internet service providers, hackers, and governments can intercept your data. Instead, Berty’s network is distributed, based on P2P direct messaging. Berty couldn’t care less about who you are. You don’t need to provide your real name, an email, or a date of birth. You don’t even need a SIM card!
    Downloads: 6 This Week
    Last Update:
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  • 10
    Notally

    Notally

    A beautiful notes app

    Notally was created because I wanted to make something that was beautiful and at the same time, useful. It's extremely light, there are minimal dependencies and lines of code.
    Downloads: 12 This Week
    Last Update:
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  • 11
    OneSignal Android Push Notification

    OneSignal Android Push Notification

    OneSignal is a free push notification service for mobile apps

    OneSignal is a free email, sms, push notification, and in-app message service for mobile apps. This plugin makes it easy to integrate your native Android or Amazon app with OneSignal.
    Downloads: 4 This Week
    Last Update:
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  • 12
    Locker Password Manager

    Locker Password Manager

    Open source secure password manager

    Locker is a password manager that goes beyond the mere concept of password management. Whatever your previous password manager provided, we offer even more. Store passwords, passkeys and personal data in one encrypted vault. Manage effectively with categories and folders. Save your passwords with a click, login and checkout made effortlessly with auto-saving and auto-fill features from passwords, payment details to two-factor authentication passcodes. Locker password manager is...
    Downloads: 6 This Week
    Last Update:
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  • 13
    React Native Contracts

    React Native Contracts

    React Native Contacts

    A React Native library for accessing and managing contacts on iOS and Android devices, enabling apps to retrieve and manipulate contact data.
    Downloads: 0 This Week
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  • 14
    Countly

    Countly

    Product analytics platform

    Understand and enhance your customers' journey on your web, mobile or desktop application through Countly. Countly is an innovative, real-time, open source mobile & web analytics platform, with rich push notifications and crash reporting tools. Countly securely processes billions of data points every day from mobile, desktop and web apps to help thousands of companies visualize their data, analyze and use it to grow their business. Countly is made up of two main parts: the server...
    Downloads: 4 This Week
    Last Update:
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  • 15
    GPSLogger

    GPSLogger

    Lightweight GPS Logging Application For Android

    GPSLogger is an Android app that logs GPS information to various formats (GPX, KML, CSV, NMEA, Custom URL) and has options for uploading (SFTP, OpenStreetMap, Google Drive, Dropbox, Email). This app aims to be as battery efficient as possible. GPSLogger uses the GPS capabilities of your Android phone to log coordinates to GPS format files at regular intervals. This can be particularly useful if you want to geotag your photos after a day out or share your travel route with someone. The purpose of this application is to be battery efficient to save you battery power when abroad and last as long as possible.
    Downloads: 1 This Week
    Last Update:
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  • 16
    Tinode Instant Messaging Server

    Tinode Instant Messaging Server

    Instant messaging platform

    Instant messaging server. Backend in pure Go (license GPL 3.0), client-side binding in Java, Javascript, and Swift, as well as gRPC client support for C++, C#, Go, Java, Node, PHP, Python, Ruby, Objective-C, etc. (license Apache 2.0). Wire transport is JSON over websocket (long polling is also available) for custom bindings, or protobuf with gRPC. Persistent storage is any one of RethinkDB, MySQL or MongoDB. A third-party unsupported DynamoDB adapter also exists. Other databases can be...
    Downloads: 0 This Week
    Last Update:
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  • 17
    Django-CRM - Free Open Source  Software

    Django-CRM - Free Open Source Software

    Enterprise CRM software + Tasks management, Email marketing and more!

    ...The eCRM software supports multiple currencies, payment tracking, and shipment management, ensuring comprehensive financial oversight. Additionally, task management, office memos, and email integration enhance collaboration and communication, making this Django CRM very helpful for boosting productivity and maintaining organized business processes.
    Downloads: 30 This Week
    Last Update:
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  • 18
    Google Maps Extractor

    Google Maps Extractor

    Free Google Map Extractor(With Email) | Google Maps Scraper

    A free Google Map extractor for business leads—fast & efficient! This Google Maps scraper extracts phone numbers, emails, locations, and social media profiles, then exports to CSV. Visit: https://gmplus.io/
    Downloads: 3 This Week
    Last Update:
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  • 19

    Crypto Messenger and notepad

    crypto messenger and notepad and file encryptor windows and android

    ...you can use it to write notes that you can store on your computer in encrypted form so no one can read it without knowing the password and having this app. It can also encrypt/decrypt any file. You can email the encrypted files across the internet as file attachments to an email. It is 900 bit encryption! here is a website about the app http://secretnotepad.atwebpages.com/
    Downloads: 1 This Week
    Last Update:
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  • 20
    Emojis of Death
    Emojis of Death is a down and dirty browser app, written in HTML. It's HTML, so it will work on anything a web browser can run on. It's purpose is to hide text strings in emojis, which you can then text or email. An encoded emoji can hold quite a bit of text. The receiver will need Emojis of Death as well, to decode the emoji. The file's small size makes it perfect for your phone. Some email and text services don't work with this, so try it.
    Downloads: 2 This Week
    Last Update:
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  • 21
    GoldBug - Encrypted Communications

    GoldBug - Encrypted Communications

    Chat Messenger. E-Mail-Client. Websearch. Filetransfer.

    GoldBug is a decentralized & secure communication suite that offers an integrated e-mail client, an instant messenger & a file transfer. Also included is an URL-RSS-DB & a p2p web search. Current vers. w/ McEliece Algorithm. GoldBug has been 2013 - 2023 ten years just another Graphical User Interface of the Spot-On Encryption Suite. Main GUI features: Minimal & colorful Interface with Tabs in the East. Microsoft & Qt MinGW deprecated Win32 & for Compiling: ●...
    Downloads: 6 This Week
    Last Update:
    See Project
  • 22

    YoungerSibling

    YoungerSibling: Cross-platform OSINT tool for quick data gathering.

    YoungerSibling is a Python-based terminal utility script designed for educational purposes. It provides a set of useful tools to perform tasks like searching the web, performing lookups (Google search, IP lookup, username lookup, etc.), and extracting metadata from images, directly from the terminal. This project aims to help students, developers, and hobbyists learn about web scraping, API usage, and terminal interaction with Python.
    Downloads: 10 This Week
    Last Update:
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  • 23
    MBR Bulk WP Detector

    MBR Bulk WP Detector

    A free WP plugin that lets you check unlimited URLs

    ...But it gets better… Turn on Deep Scan mode, and you’ll also discover what WordPress version they’re using, which theme they’ve got installed, and even their top plugins. From version 2.1.0 it also returns the email addresses and phone numbers. Imagine personalising your outreach with: “Hey, I noticed you’re using the Divi theme—I’ve got some custom modules that could really enhance your site…” Now you’re not just another cold email. You’re someone who actually did their homework.
    Downloads: 0 This Week
    Last Update:
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  • 24
    Laundry Management System

    Laundry Management System

    Small Laundry and Dry Cleaning Business Application

    Laundry Management System is a better solutions for Small Laundry and Dry Cleaning business vendors with increased security from SQL injection, vulnerability and hackers. Its user friendly Laundry POS Screen Application. We are team of talented designers and developers making user friendly software to grow your small laundry and dry cleaning business digitally without spending a lot of money. for more details contact us on https://laundry.startplugtechnologies.com
    Downloads: 20 This Week
    Last Update:
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  • 25
    Cipher Chat App
    Cipher App is a streamlined, privacy-centric chat application developed independently by Irene Dutta, an indie software developer focused on ethical and minimalist technology. This lightweight solution enables seamless, anonymous communication without the need for email or phone number authentication. Built from the ground up with user privacy as its core principle, Cipher App offers a distraction-free environment for genuine, anonymous interactions — ideal for communities, discussions, and platforms where identity-free expression is encouraged. If you find Cipher useful, please consider leaving a review or rating — your feedback helps us grow and improve.
    Downloads: 1 This Week
    Last Update:
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