Browse free open source Post-Office software and projects for Windows below. Use the toggles on the left to filter open source Post-Office software by OS, license, language, programming language, and project status.

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  • 1
    Java SMTP/POP EMail Server
    Provide an Open Source Java Email Server that supports POP3/SMTP.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 2
    Small program, which monitors email account via IMAPS (secure version of IMAP) protocol and inform user about new, unread messages. Coded in Java programming language.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 3
    Cassiopeia's BitMail

    Cassiopeia's BitMail

    Encrypting E-Mail Client

    BitMail is a Proof-of-Concept- / Design-Study for an Qt E-Mail Client. POP3 / IMAP / SMTP / P2P E-Mail-Client. ● Qt E-Mail Client. ● Build-in Encryption to secure E-Mails ● IMAP & POP3 ● Additionally a full decentral P2P Email-Option via the Echo Protocol ● Store Email for Offline-Friends in the P2P Network. ● Chat and Instant Messaging is build in. ● POPTASTIC function (Chat over Email) ● Calendar widget functionality. ● Open Source. BSD License. "Cassiopeia is the tortoise of Momo, which can communicate through writing on her shell and guides into the future." - Wikipedia. Source from: https://sf.net/projects/spot-on/files/ & https://github.com/textbrowser/spot-on
    Downloads: 2 This Week
    Last Update:
    See Project
  • 4
    Active Spam Killer for Windows (AfW) is a challenge/response spam filtering system for the Windows platform. Based on ASK for Linux by Marco Paganini, this project adds a POP3 client/server wrapper and web administration, as well as Windows compatibility
    Downloads: 0 This Week
    Last Update:
    See Project
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  • 5
    C# Email Server (CES). Implements SMTP and POP3 components that can be used as a standalone server or as components in other applications.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    IMAPWeb is web-based IMAP client. It is written using Java and uses the Enhydra platform. It supports folders, file attachments (sending and viewing), reply, forward (with attachments) and mail delete.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    JFetch is an application to download your email through protocols like POP3 and IMAP. The decision of whether to download a mail or not is made through a sequence of filters. The user can easily add customized filters to this sequence.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    Koolwired.Imap is a fully managed .NET IMAP client library written in C#.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    MSWeb is a client for Microsoft's Outlook Web Access (OWA). It is intended to deliver mail from a MS exchange server to a UNIX computer. For those who are opposed to 50 MB mailreaders.
    Downloads: 0 This Week
    Last Update:
    See Project
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  • 10
    A SMTP and POP e-mail server for Windows and GNU/Linux.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    C# .NET library implementing the Pop3 message retrieval protocol
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    Mailserver for Win* Platform.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    the project has moved to <a href=http://aptg2.schattenzauberer.de>http://aptg2.schattenzauberer.de</a> visit the project there
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    HIndi Mail Client in Java, can be extended as a editor and a plugin on web pages to mail and view mails in Unicode Devnagri Font. The Mail Client could be used to embed into a HTML page so that people need not install it to view and recieve mails.
    Downloads: 0 This Week
    Last Update:
    See Project
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