A free & open modern, fast email client with user-friendly encryption and privacy features

• UpdatedNov 1, 2023
• Python

Email helpdesk built using Ruby on Rails and Zurb Foundation

• UpdatedDec 22, 2018
• Ruby

Cypht: Lightweight Open Source webmail aggregator [PHP, JS]. Supports IMAP/SMTP, JMAP and EWS (Exchange Web Services)

• UpdatedMar 17, 2025
• PHP

Recommend new arxiv papers of your interest daily according to your Zotero libarary.

• UpdatedFeb 28, 2025
• Python

Chatmail Rust Core library, used by Android/iOS/desktop apps, bindings and bots 📧

• UpdatedMar 17, 2025
• Rust

Library to send e-mails over different transports and protocols (like SMTP and IMAP) using immutable messages and streams. Also includes SMTP server.

• UpdatedMar 15, 2025
• PHP

mnm implements TMTP protocol. Let Internet sites message members directly, instead of unreliable, insecure email. Contributors welcome! (Server)

• UpdatedJan 15, 2023
• Go

Collection of resources related to phishing

• UpdatedJun 12, 2021

Mail4Delphi uses the Indy component to send the email.

• UpdatedJan 19, 2024
• Pascal

Filter gmail with AI

• UpdatedFeb 13, 2024
• JavaScript

A open source tool for collating publically available contact information for businesses.

• UpdatedFeb 4, 2023
• JavaScript

mnm implements TMTP protocol. Let Internet sites message members directly, instead of unreliable, insecure email. Contributors welcome! (Client)

• UpdatedApr 7, 2022
• Go

A small collection of bookmarklets that are useful for OSINT, including ones for e-mail addresses, Facebook, extracting links and WhatsMyName.app.

• UpdatedJan 30, 2025
• JavaScript

Use grepaddr to extract (grep) all kinds of addresses from stdin like URLs (incl. IPv4/IPv6), IP addresses & ranges (IPv4/IPv6), e-mail addresses, MAC addresses.

• UpdatedAug 7, 2023
• Python

E-mail builder library for Rust

• UpdatedMar 9, 2025
• Rust

Create MIME messages with PHP

• UpdatedJan 7, 2025
• PHP

A java command line tool to convert Outlook OST/PST files to MBOX or EML.

• UpdatedNov 3, 2024
• Java

Membership system written in PHP, includes registration form, login form.

• UpdatedSep 15, 2022
• PHP

Matrix <--> E-mail Bridge

• UpdatedJun 20, 2019
• Java

Elyzer is an email header analyzer, written in python, capable of detecting potential spoofing attempts.

• UpdatedDec 18, 2024
• Python