N1 UnsubscribePlugin for Nylas Mail that adds a quick unsubscribe button for email.
Django NotifsModular Notifications (InApp, Email, SMS, CustomBackend etc) for Django
RspamdRapid spam filtering system.
I2p.i2p BoteI2P-Bote is a serverless, encrypted e-mail application.
MosaicoMosaico - Responsive Email Template Editor
RavenxNotification dispatch library for Elixir applications
PineA modular and lightweight, responsive email framework.
MailmergelibMailMergeLib is a mail message client library which provides comfortable mail merge capabilities for text, inline images and attachments, as well as good throughput and fault tolerance for sending mail messages.
MailwayMailway installer, host your own Mailway instance
Opaquemail.NET email library and proxy supporting IMAP, POP3, and SMTP with S/MIME and PGP.
InbriefInBrief is a personal briefing app and dashboard powered by Electron and React
Contextio Node[DEPRECATED] - Official Node.js client library for the Context.IO Email API
JaromailA commandline tool to easily and privately handle your e-mail
BomberthonBest Bombing Tool with WhatsApp, Instagram, SMS bomber
Sendgrid PhpThe Official Twilio SendGrid Led, Community Driven PHP API Library
TcpbinVery crude and poorly written HTTP(s) and SMTP bin
Mailchecker📫 Cross-language temporary (disposable/throwaway) email detection library. Covers 33600 fake email providers.
Mailgun📧 Service to assist with sending emails from Vapor apps
Email ExtractorThe main functionality is to extract all the emails from one or several URLs - La funcionalidad principal es extraer todos los correos electrónicos de una o varias Url
AcmailerMail sending module for Mezzio and Laminas MVC with support for file attachment and template email composition
MimekitA .NET MIME creation and parser library with support for S/MIME, PGP, DKIM, TNEF and Unix mbox spools.
Django Amazon SesA Django email backend that uses Boto3 to interact with Amazon Simple Email Service (SES).
MrmlImplementation of mjml in rust
WaveboxappWavebox Classic has been updated to Wavebox 10. Learn more Wavebox.io
MsgkitA .NET library to make MSG files without the need for Outlook
NowshowingGenerates an email and web page of Plex recently added content
Sendgrid PythonThe Official Twilio SendGrid Led, Community Driven Python API Library
Django AnymailDjango email backends and webhooks for Amazon SES, Mailgun, Mailjet, Postmark, SendGrid, Sendinblue, SparkPost and more
Mail4delphiMail4Delphi uses the Indy component to send the email.
GmimeA C/C++ MIME creation and parser library with support for S/MIME, PGP, and Unix mbox spools.
MailerA lightweight PHP SMTP mail sender
ImapcopyRecursively copy all e-mail messages and folders from one IMAP account to another.
WeeklypediaA weekly email update of all the most popular wikipedia articles
Ost2pstOST2PST - converts Outlook OST files to PST format
Postfwd Anti Geoip Spam PluginPostfwd plugin for blocking international spam botnets based on geographical location of IP addresses used to login to postfix via sasl.