Browse free open source Email software and projects for BSD below. Use the toggles on the left to filter open source Email software by OS, license, language, programming language, and project status.
Our Free Plans just got better! | Auth0
With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.
You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
Try free now
Gen AI apps are built with MongoDB Atlas
Build gen AI apps with an all-in-one modern database: MongoDB Atlas
MongoDB Atlas provides built-in vector search and a flexible document model so developers can build, scale, and run gen AI apps without stitching together multiple databases. From LLM integration to semantic search, Atlas simplifies your AI architecture—and it’s free to get started.
This project is a C++ library which allows incorporating DKIM into an existing MTA or other application. It provides full support for signing, verifying, and SSP. It is compliant with RFC 4871.
Get your domain at wholesale price. Cloudflare offers simple, secure registration with no markups, plus free DNS, CDN, and SSL integration.
Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
A Club member administration tool written in PHP using a MySQL database. Clubdata is highly configurable, supports different membership types, a lot of membership features, mass e-mails, Excel-export, PDF-export and sophisticated authentication. Club
OpenXP is a multi-protocol offline mail and news reader for the text console, supporting Internet email, Usenet, Fidonet, Zconnect, etc. It is based on CrossPoint (XP) by Peter Mandrella.
This project has been discontinued. Most Content Management Systems include an email function and I feel a stand alone app is no longer needed. I have added the code to subversion to be browsed, and the release packages are still available for download.
A PHP-based web frontend to IMAP mail servers (developed on Cyrus imapd currently). The interface supports reading all kinds of MIME multipart mails, fully managing IMAP folder structures including ACLs and basic mail composition.
Connect every part of your business to one bank account
North One is a business banking app that integrates cash flow, payments, and budgeting to turn your North One Account into one Connected Bank Account
North One is proudly built for small businesses, startups and freelancers across America. Make payments easily, keep tabs on your money and put your finances on autopilot through smart integrations with the tools you’re already using. North One was built to make managing money easy so you can focus on running your business. No more branches. No more lines. No more paperwork. Get complete access to your North One Account from your phone or computer, wherever your business takes you. Create Envelopes for taxes, payroll, rent, and anything else automatically.
jASEN is a pure java Anti Spam ENgine combining bayesian-like scanning with intelligent email inspection and classification. jASEN is best suited to developers wishing to integrate anti-spam services into an existing server based java email application.
6XMailer is a PHP POP3 mail reader with support for HTML mail, MIME attachments, embedded mail content, multilingual ready, and themes. It has an address book and centralized configuration file.
AfterLogic WebMail Lite PHP is a free AJAX webmail application. Users can receive, view, manage, compose, and send email through web interface (IMAP and SMTP supported). Source code included.
Agenda aims to be the next step in corporate quality groupware. Better than the current mainstream choices of MS Exchange and Lotus Notes.
Agenda will try and use existing f
Apache Avalon block for sending emails in a simplified manner.
This effort has now been moved to http://www.dpml.net/
Please contact niclas@hedhman.org for further details.
Email gateway, also known as an autoresponder and webmail service. Allows downloading of local files, web pages, images, and access to utilities such as nslookup and whois. All the user needs is an email client.
Project moved to GitHub.
https://github.com/fidian/binky
dkim-connector is a daemon that facilitates the configuration of dkim-milter (especially for multi domain hosting; with postfix and sendmail) and is accessible via webservices (for a simplified adaption of specific admin tools) and a console client
Dougal is a Free (LGPL) mail-washing program for the POP3 protocol, written in Perl. It supports any operating system that supports Perl 5.x and TCP/IP (Perl IO::Socket module).
EVPO Document Circulation is a workflow management web application. It can be used to store files, in particular documents, with metadata information in a central location in the internet or intranet. The main purpose of the application is to help manage workflow associated with those files between a group of users.
EVPO Document Circulation is open source and free application based on .NET technology using MySql database.
Project moved to Codeplex. Click the link below.
FProc is an HTML form processor designed to provide an interface layer between the form itself and modules providing a range of services, such as e-mail and e-commerce.