The Mercury Mail Transport System is a mail server that sends and receives messages on behalf of a group of users on a machine or local area network. Messages from the outside world are received by Mercury and delivered to the users, who can access it at any later point.
LimitPixel Alternatives
LimitPixel is described as 'A privacy-first, all-in-one ecosystem that replaces Google Workspace and Creative Cloud. Features encrypted email, cloud storage, and docs, alongside a browser-based 3D animation engine and AI assistant. Your data stays yours' and is an website in the backup & sync category. There are more than 50 alternatives to LimitPixel, not only websites but also apps for a variety of platforms, including Windows, Linux, Android and SaaS apps. The best LimitPixel alternative is CryptPad, which is both free and Open Source. Other great sites and apps similar to LimitPixel are Google Workspace, Nextcloud Hub, Infomaniak kSuite and Nino.
Alternatives list
Linchpin is an efficient social intranet platform that focuses on effective collaboration and reduces complexity by means of user-specific customization.
Cost / License
- Pay once
- Proprietary
Application type
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Chrome OS
- Self-Hosted
- Software as a Service (SaaS)
- Confluence


+4
Fast, safe, heavy mail solution. Web-client access, LAN or WAN self-hosted server, maintenance-free design. No Windows server and database server required, unlimited mail accounts, storage, attachment size, custom logo. Free for commercial use.
Cost / License
- Pay once
- Proprietary
Application types
Platforms
- Windows
- Self-Hosted


Cost / License
- Paid
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad


+5
Virtual Office, Online Office, Digital Learning Space, Online Groupware - ContactOffice, Keep a virtual office on the web. Share documents, contacts, calendar, tasks, ... with clients, students, suppliers, friends or family.


+1
Sanwhole Exchange is a server running iMail, iPress and iStore services. iMail is an enterprise-class email server does Microsoft Exchange and Gmail work. iPress sets blog, forums and tickets in one. iStore is an online store.



WEBCON BPS is a BPM / Rapid Application Delivery platform that allows to easily create workflow based applications to automate business processes without coding. Instead of coding you can focus on business logic of applications.
Cost / License
- Paid
- Proprietary
Platforms
- Windows
- Windows Mobile
- Android
- iPhone
- Android Tablet
- iPad


+2
Oxcyon's Centralpoint is an out-of-the-box CMS portal solution that offers data class libraries, document versioning, analytics and reports, and more.
This is an alternative to SharePoint or Office 365 SharePoint Online that doesn't require replacing SharePoint. You can meet all your intranet goals by deploying Prime on SharePoint, and avoiding the massive headaches of switching platforms.
Cost / License
- Pay once
- Proprietary
Platforms
- Online


+9
HyperOffice has been designed for growing businesses looking for collaboration features minus the costs and complexity of setting up SharePoint. Users get most of SharePoints features - intranet/extranet workspaces, online document management, forums, polls, automated workflows...
Cost / License
- Paid
- Proprietary
Platforms
- Online
HyperOffices is a Microsoft Exchange alternative with all the messaging features growing business need - custom business email; Outlook email; shared Outlook contacts, calendars and tasks; web and mobile email; Outlook synchronization; shared calendars, contacts, tasks and...
Cost / License
- Paid
- Proprietary
Platforms
- Online
Mailture, a secure, business-oriented email service, is made to cater to all your emailing needs. With top-notch collaboration and communication features, Mailture offers much more than your usual inbox.
Cost / License
- Subscription
- Proprietary
Application types
Alerts
- Discontinued
Platforms
- Software as a Service (SaaS)

























