Postaci AlternativesWebMail Providers and other similar apps like Postaci
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 Web-based, Self-Hosted, Linux, PHP and Cloudron apps. The best Postaci alternative is Roundcube, which is both free and Open Source. Other great apps like Postaci are Mailpile, Kolab Community, Rainloop and Zimbra Collaboration Suite.
- WebMail Provider
- Free • Open Source
- 26 Roundcube alternatives
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.
License model
- Free • Open Source
Application types
Country of Origin
Switzerland
Platforms
- Self-Hosted
- PHP
- Cloudron
- Nextcloud
Roundcube Features
- 59 Mailpile alternatives
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.
License model
- Free • Open Source
Application types
Platforms
- Linux
- Online
- Self-Hosted
- OpenPGP
DiscontinuedThe latest release (1.0.0rc6) was released in September 2019.
Mailpile Features
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.
License model
- Freemium • Open Source
Application types
Country of Origin
Switzerland
Platforms
- Linux
- Online
- Self-Hosted
Kolab Community Features
- 12 Rainloop alternatives
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.
License model
- Free • Open Source
Application type
Country of Origin
Estonia
EU
Platforms
- Online
- Self-Hosted
- Nextcloud
- JavaScript
- PHP
- Cloudron
DiscontinuedThe last update is from August 2022.
Rainloop Features
- 44 Zimbra Collaboration Suite alternatives
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.
License model
- Freemium • Open Source
Application types
Country of Origin
United States
Platforms
- Linux
- Online
- Self-Hosted
Zimbra Collaboration Suite Features
- 12 SnappyMail alternatives
The drastically upgraded & secured fork of RainLoop Webmail Community edition.
- 43 Horde alternatives
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.
DiscontinuedThe last release (5.2.22) was in September 2017.
Horde 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.
License model
- Free • Open Source
Application type
Country of Origin
United States
Platforms
- Online
- Self-Hosted
- 16 Squirrelmail alternatives
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.
Squirrelmail Features
A simple, fast and secure PHP/AngularJS based single user feed and mail reader, password and bookmark manager. CacoCloud is divided into a RESTful PHP backend storing all data into a SQLite database and an SPA frontend based on AngularJs.
License model
- Free • Open Source
Application types
Country of Origin
Germany
EU
Platforms
- Self-Hosted
- AngularJS
DiscontinuedThe project is no longer developed. Last version, 0.1.1, released in February 2015, can be still downloaded from the official website.
CacoCloud Features
- 19 OX App Suite alternatives
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.
License model
- Free • Open Source
Application types
Country of Origin
Germany
EU
Platforms
- Linux
- Online
- Self-Hosted
- Software as a Service (SaaS)
OX App Suite Features
Real-time email, chat, audio/video calls & conferences, file-sharing, and contacts app with a modern and intuitive UI.
License model
- Paid • Proprietary
Application types
Country of Origin
Bosnia & Herzegovina
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
CrossBox Features