Post-Office Software for ChromeOS

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

  • Ship Agents Faster Icon
    Ship Agents Faster

    Transform your applications and workflows into powerful agentic systems at global scale.

    Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
    Start Free
  • Train ML Models With SQL You Already Know Icon
    Train ML Models With SQL You Already Know

    BigQuery automates data prep, analysis, and predictions with built-in AI assistance.

    Build and deploy ML models using familiar SQL. Automate data prep with built-in Gemini. Query 1 TB and store 10 GB free monthly.
    Start Free
  • 1
    Columba
    Columba is an email client written in Java, featuring a user-friendly graphical interface with wizards and internalionalization support. Its a powerful mail management tool with features to enhance your productivity and communication.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 2
    jwSMTP, Send email programmatically (C++ code/lib). Linux, BSD, Windows etc. Attachments, Multiple recipients, Cc/Bcc recipients supported. MX lookup or send to an SMTP server direct. LOGIN and PLAIN authentication now supported. Html or plain text forma
    Downloads: 3 This Week
    Last Update:
    See Project
  • 3
    ZMail allows you to send email from anyone, to anyone. You can use ZMail to send fake or anonymous emails. Have fun!
    Downloads: 2 This Week
    Last Update:
    See Project
  • 4
    Quinsonnas Mail, a PHP4+/PEAR Web email client, retrieves mail from POP, IMAP, and NNTP server inboxes into a MySQL database. Mail is sent via SMTP, Sendmail, or PHP. MIME emails are supported as well. Contacts and lists are stored for composing email.
    Downloads: 3 This Week
    Last Update:
    See Project
  • Veeam Data Platform v13.1 Icon
    Veeam Data Platform v13.1

    Move workloads across hypervisors and clouds with no vendor lock-in. Try VDP free today.

    Try Veeam Data Platform today. Experience the unified platform that's secure by design, portable by default, and proven to recover clean, fast, and anywhere.
    Try Now
  • 5
    Hastymail
    Hastymail is a fast, secure, rfc-compliant, cross-platform IMAP/SMTP client application written in PHP providing a clean web interface for sending and reading E-mail. This version of Hastymail is no longer being developed. We are now working on a new version, Hastymail 3, AKA, "Cypht". http://cypht.org
    Downloads: 1 This Week
    Last Update:
    See Project
  • 6
    Jamm (Java Mail Manager) is a web application to manage virtual email account information stored in an LDAP directory. It is meant as an administration tool for sites using mail servers, such as Postfix and Courier-IMAP.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 7
    GreenMail is an intuitive and easy-to-use test suite of email servers for testing purposes. Supports SMTP, POP3, IMAP with SSL socket support, and configurable user accounts and credentials. All in 100% Java. WE'VE MOVED TO GIT HUB: https://github.com/greenmail-mail-test/greenmail
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8
    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: 1 This Week
    Last Update:
    See Project
  • 9
    IMAP-Agent is an automated IMAP mail folder management system implementing site wide and individual user specific rules for filtering mail between folders. Also, quotas can be maintained by age or max count of messages for any folder.
    Downloads: 1 This Week
    Last Update:
    See Project
  • $300 Free Credits to Build on Google Cloud Icon
    $300 Free Credits to Build on Google Cloud

    New customers can spin up VMs, build with AI, and query data at no cost.

    Put your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.
    Start Free
  • 10
    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: 1 This Week
    Last Update:
    See Project
  • 11
    NMail provides an SMTP client & server along with an IMAP4 server; all are written in C#.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 12
    Access IMAP-mailboxes automatically, delete spam marked by filtering software like spamassassin, get reports in regular intervals. Additional features: multi mailbox access, extended spam filtering can be integrated, test mode, no database needed.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 13

    tisift

    imap cleanup & command line tool

    Beta state! tisift: scaning folder and sort messages with given filter rules. tish: imap shell = imap command line tools. Example: # Set MsgId on Mails without one FOLDER="Archives" ; tils -I "$FOLDER" |grep "\{"|while read LINE ; do tish -x addheader "$FOLDER" "$LINE" "X-New-Header: true" ; done # Correct Date to second received header: tish date Archives PATTERN received2 # Import or export mbox tish exportmbox Archives >file.mbox tish importmbox Archives <file.mbox Written in ruby. Attention: Use on your own risc! You can damage your whole mail data!
    Downloads: 1 This Week
    Last Update:
    See Project
  • 14
    This is a set of .NET class libraries, designed to use various Internet protocols in a easy-to-use OO matter. So far it contains a POP3 and an IRC (Internet Relay Chat) library.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    A web-based helpdesk ticketing system. It adopts a more effective ticket sorting/ranking method instead of the cumbersome "assign/completed". More: http://www.upoint.info/cgi
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    AnonInbox is a PHP script which provides users with anonymous access to email. It uses a MySQL database for efficient storage of mail. Old messages are automatically removed at a specified interval. Malicious attachments are blocked.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Bahrein is a Perl script that allows you to chat over AIM through only e-mail. All incoming IMs are forwarded through GMail to your destination - and you can reply just as easily back through e-mail to IM again.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    A Java-based Mailserver. BMS supports all email- and news-protocols.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    API similar to Java-Mail (TM). This API is to be in C# and will be available for the dotNet-aware platforms.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Camel's Eye is a powerful POP3 email filter. It supports DNS-based Blackhole Lists (DNSBL/RBL), Razor, and rules that search header or body. Features include regular expressions, scoring, deletion on server, automatic whitelisting through an SMTP proxy.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    CellMate Bot currently allows google queries and aim functions through OSCAR. Made to be used form your cellphone's AIM client, CellMate Bot will be updated to include email, news and map directions in the future. For now, you can use Google SMS.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    An IMAP interface for ColdFusion written as a CFC (ColdFusion Component).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    Set of pure useful Java utilities taking care of common tasks and avoiding re-write of code
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    A simple command line utility to perform various tasks on a remote POP3 e-mail box. Intended as a replacement for the Email Manipulator utility(mailtool.exe). List and delete messages by size, range, or keyword. Handy for tech support.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    CRM aka Customer Relationship Management are applications that manage customers in relation to enterprise life. Our project, Customer Touch CRM, is a CRM application for small/medium firms. The application is easy to use and install.
    Downloads: 0 This Week
    Last Update:
    See Project