Showing 510 open source projects for "c source code"

View related business solutions
  • 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.
    Get Started Free
  • $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
  • 1
    Sortmail is a program to process incoming email, classify it and process it accordingly. Sortmail can handle incoming email as it arrives or download from a POP server. Sortmail is easier to configure than procmail and can replace fetchmail.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    Open source DKIM library, MTA filter implementation and associated tools.
    Leader badge
    Downloads: 324 This Week
    Last Update:
    See Project
  • 3

    Ream-C

    Ream-C is a console-based full screen mail client

    Ream-C is a free and open source console-based full screen mail client for Linux, and Unix-Like OSes. . It can handle multi-megabyte large mail-files in spool areas or file folders without problems. It has been updated to compile and work under Solaris and Linux. Installation is also simpler. Ream-C is based on the original "ream" project (Paul Dourish), contains additional bug fixes.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    mairix is a tool for indexing and searching email messages stored in Maildir, MH, or mbox folders.
    Leader badge
    Downloads: 21 This Week
    Last Update:
    See Project
  • 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.
    Try Free
  • 5

    opendmarc

    Open source DMARC implementation

    This is an open source implementation of the draft DMARC specification.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 6
    (This site is DEPRECATED. Please visit https://github.com/verdammelt/tnef) TNEF provides a way to unpack those pesky Microsoft MS-TNEF MIME attachments. It operates like tar in order to upack any files which may have been put into the MS-TNEF attachment instead of being attached seperately.
    Downloads: 39 This Week
    Last Update:
    See Project
  • 7
    ...This project is derived from Mystic BBS V1.10 A38, which was released onto Sourceforge under the GPL. Mystic BBS has since been removed from Sourceforge and has returned to a closed source development model. Guardian BBS is hereby forked to keep the Opensource code alive and available for everyone under the terms of the GPL in which it was released.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    Untangle
    Untangle is a Linux-based network gateway with pluggable modules for network applications like spam blocking, web filtering, anti-virus, anti-spyware, intrusion prevention, bandwidth control, captive portal, VPN, firewall, and more. Visit http://untangle.com
    Downloads: 30 This Week
    Last Update:
    See Project
  • 9

    Petidomo Mailing List Manager

    Petidomo is a small, easy-to-administer mailing list server

    Petidomo is a mailing list server similar to Majordomo, but to install and to maintain. Furthermore, it has no problem running huge lists and requires only moderate system resources doing so. Petidomo has numerous featurs including virtual hosting, a
    Downloads: 1 This Week
    Last Update:
    See Project
  • Build Data Resilience - Take the Assessment Today Icon
    Build Data Resilience - Take the Assessment Today

    Can you recover when it matters most? Take this quick assessment to identify gaps and build greater recovery confidence.

    Is your recovery strategy as strong as you think? Take this quick self-assessment to check your recovery readiness and gain tailored insights. In only 2 minutes, you'll learn where you fall on the recovery readiness scale.
    Take the Assessment
  • 10

    milter manager

    Protects you from spam mails and virus mails effectively with milter

    This project has been moved to https://milter-manager.osdn.jp/ milter manager protects you from spam mails and virus mails effectively with milter. milter manager has embedded Ruby interpreter to control milters flexibly. milter manager can be used with Sendmail on Postfix on Ubuntu, CentOS, FreeBSD and so on.
    Leader badge
    Downloads: 2,343 This Week
    Last Update:
    See Project
  • 11
    SimpleCheck E-Mail Notification Client
    SimpleCheck is a fast, low resource, server oriented, Windows System Tray based E-Mail Notification Client with a simple UI that regularly checks multiple POP3 E-Mail accounts. Many full client features; immune to viruses; use to delete SPAM mail.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 12

    BraCiNeVe

    A Scalable Spam Filtering Architecture

    Downloads: 1 This Week
    Last Update:
    See Project
  • 13
    Milter rate limiter

    Milter rate limiter

    Outgoing email rate limiter

    Limits the rate of outgoing email per user account. User accounts resides in LDAP. Individual limit setting via LDAP attribute. Works with sendmail and postfix.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    base64 RFC1113 Vanilla ANSI-C Code for a portable stand-alone file encode/decode utility. In 2001, I asked people to 'Help me break it!' Since then, 10+years later, the code remains unbroken and is in wide production use world-wide. It has been ported to all major architectures and been used as a template for ports to different computer and human languages. This is very mature and stable code.
    Downloads: 15 This Week
    Last Update:
    See Project
  • 15

    The `8conv` text encoding converter

    Converts quoted-printable, UTF-8, UTF-16BE, UTF16LE to 8-bit.

    Command-line tool to decode text which has undergone MIME-typical encoding into (ISO-8859) 8-bit --- without having or parsing the relevant MIME type declarations. Decodes quoted-printable sequences; handles UTF-8, UTF-16BE, UTF-16LE; optionally translates common characters from DOS or Windows code pages or HP-Roman8 into ISO-8859-1. UCS characters can be mapped to 8-bit translation strings. Single ISO C source file, "8conv.c". Translation can be controlled through a configuration file, the sample file "8conv.conf" shows the syntax.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 16
    Sync Mail Dir (smd) is a set of tools to synchronize a pair of mailboxes in Maildir format.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17

    Z Notation E-Mail Mark-up Tools

    Tools to convert Z mark-up to HTML or text.

    A small library and two command-line tools to parse and convert Z notation from the "e-mail" mark-up into HTML code, or into UTF-8 text with box-drawing graphics, or into the Z Standard text format. See the project's Wiki Home Page for details --- the "Wiki" button in the bar above, or the following link:
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    machiNET Mailserver

    machiNET Mailserver

    Mail system postfix dovecot openldap contact syncronization

    Machinet mailserver is a setup for a (small) enterprise mail server using standard GPL components
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    Claws Mail
    Claws Mail is a GTK+ based, lightweight, and fast e-mail client and newsreader. Supports POP3, APOP, IMAP, SMTP, SMTP AUTH, NNTP, LDAP, multiple accounts, spell-checking, addressbook, SSL, GPG, filtering, i18n, & more. It is further extended by plugins.
    Downloads: 21 This Week
    Last Update:
    See Project
  • 20
    A sendmail milter for amavisd-new which use AM.PDP protocol.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 21
    This sourceforge mirror of the mutt project is discontinued. Please see the official home page.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    SMC Anti-Spam Filter

    SMC Anti-Spam Filter

    Blocks spam without blocking any legitimate messages

    SMC anti-spam e-mail milter (plug-in) is an software application designed to significantly reduce the amount of SPAM/UCE (junk-mail) you receive. SMC uses a greylisting like technique to stop the junk-mail and a set of dynamic auto "whitelists" for unknown, but legitimate senders. In purpose of anti-virus protection the program can use very popular Clam AntiVirus engine as a back end.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    libpop3

    libpop3

    a lightweight ANSI C library for handling POP3 mailboxes

    ...Since it is very light, it is designed to be used as a static library (but you could just as well incorporate its code right into your project).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    The continuation of the Alpine email client from University of Washington.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 25
    Virtual Access Open Source Project
    The Virtual Access Foundation's Virtual Access Open Source (VAOS) is a well-established win32 mail news and collaborative conferencing tool. Modified BSD license. Please go to our homepage http://www.virtual-access.org for more information and support.
    Downloads: 2 This Week
    Last Update:
    See Project