Postaci Alternatives
Postaci is described as '(Turkish for Postman) is multiplatform Webmail software which is database independent, multilanguage, POP3/IMAP, and fully MIME-compatible. While using POP3 mode to fetch messages it uses database fields to simulate IMAP folders, on which you can save, move, delete, and' and is a webmail provider in the online services category. There are more than 10 alternatives to Postaci for a variety of platforms, including Online / Web-based, Self-Hosted solutions, Linux, PHP and Cloudron. The best alternative is Roundcube, which is both free and Open Source. Other great apps like Postaci are Rainloop, Mailpile, Zimbra Collaboration Suite and Kolab Community.
Postaci alternatives are mainly WebMail Providers but may also be Email Clients or Mail Servers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Postaci.
- Free • Open Source
- WebMail Provider
- Email Client
- Mail Server
29 alternatives to Roundcube- Self-Hosted
- PHP
- Cloudron
Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking.
Features
- Free • Open Source
- Email Client
- Mail Server
12 alternatives to Rainloop- Online
- Self-Hosted
- Nextcloud
- JavaScript
- PHP
- Cloudron
Simple, modern & fast web-based email client. Modest system requirements, decent performance, simple installation and upgrade, no database required. All these make RainLoop Webmail a perfect choice for your email solution.
- Free • Open Source
- Email Client
- WebMail Provider
58 alternatives to Mailpile- Linux
- Online
- Self-Hosted
- OpenPGP
Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features. The development of Mailpile is funded by a large community of backers and all code related to the project is and will be released under an OSI approved Free Software license.
Discontinued1.0.0 Release Candidate 6 from 2019 is the last version on GitHub (https://github.com/mailpile/Mailpile/releases). Possibly the development has been stopped.
- Freemium • Open Source
- Mail Server
- Calendar App
- Team Collaboration Tool
42 alternatives to Zimbra Collaboration Suite- Linux
- Online
- Self-Hosted
Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors.
Kolab is entirely Free and Open Source Software (a.k.a. FOSS), and uses Open Standards. We’ll get to why this is important to us, and hope that it is important to you thereafter.
Horde Groupware is a free, enterprise ready, browser based collaboration suite. Users can manage and share calendars, contacts, tasks and notes with the standards compliant components from the Horde Project.
Features
DiscontinuedThe last release (5.2.22) was in September 2017.
- Free • Open Source
- Mail Server
- WebMail Provider
- Calendar App
20 alternatives to OX App Suite- Linux
- Online
- Self-Hosted
- Software as a Service (SaaS)
The OX App Suite by Open-Xchange is web-based platform offering a suite of apps like an email client, calendar, contacts magement, cloud storage with synchronization and productivity apps for word processing, spreadsheets and presentations.
Features
SquirrelMail is a standards-based webmail package written in PHP. It includes built-in pure PHP support for the IMAP and SMTP protocols, and all pages render in pure HTML 4.0 (with no JavaScript required) for maximum compatibility across browsers.
The drastically upgraded & secured fork of RainLoop Webmail Community edition.
Features
Open Source WebMail Lite is a free community edition of full-featured WebMail Pro server application intended for users who need a clean and simple web mail application, which is fast and easy to use. Whether you need a free web browser based email client software for Windows ASP.
