OBM is a groupware, email, LDAP, Windows PDC, CRM, and project application mainly used as an Exchange or Notes/Domino replacement with groupware connectors for Outlook, Thunderbird/Lightning, and PDAs. It is highly scalable up to many thousands of users
An optical character recognition filter for use with postifix or sendmail as a milter. The filter focuses on only processing images that it absolutely has to, this is to conserve computing power and not allow the spammer to use to many resources. Feature
OGES tries to discuss and introduce a standard exchange format for datas like adressbooks, time tables or todo-lists. Based on this standard the implementation of conversion tools to/from free and commercial programes will be coordinated by OGES.
OMIL is a Web application written in PHP & MySQL, it was created to replace a paper form filled by the users of laboratory requests for travel orders. OMIL is very convenient for people located in different buildings.
OMLNg is a small newsletter sending program.
It provides non technical people the ability to send rich messages to groups and works with common office software/files.
It is aimed at people that do not have access to such service on a mail server.
OP/EN PKI is a PHP SSL public key infrastructure system to manage multiple Certificate Authorities, Certificates, Revocations lists and more. The standard formats for Apache, Email Applications, Web browsers and devices including x509, DER, and PKCS12.
Building on the OpenStep EDCommon and EDInternet frameworks, OPMessageServices offer higher level services for RFC2822 messages like message stores, message producers and message consumers.
ORSEE is a web-based Online Recruitment System for Economic Experiments. Key features: attribute query selection, random recruitment, experiment calendar, reputation system, automated mailing, pdf output, complete documentation.
Open Source Online MarketingOSOMprovides a complete backend for generating sales leads on your Web site. Quickly setup a lead database, create registration forms and marketing surveys, send marketing emails, and manage opt-in/opt-out. Compliments CRMs.
A small RubyCocoa utility to manage personal mailing lists. I wrote this for our small business to manage newsletter mailing lists and special interest groups when the only existing tools I could find on the internet for Mac OS X were commercial.
ObjectivePGP is an open-source library for iOS and macOS
ObjectivePGP is an open-source library for OpenPGP encryption, decryption, signing, and verification in Objective-C and Swift. It enables developers to add PGP-based security to iOS and macOS apps.
OdeiaVir is a Free Software program designed to integrate virus scanning into an e-mail server. It currently only supports qmail as an MTA, although Sendmail support is in the works.
OffSite is a fast, free, secure and easy-to-use web-based interface for administering a Rockliffe MailSite email server. The quick installation and intuitive web-based interface make OffSite very simple to use even for inexperienced users.
OmniBiff is a universal "biff" program able to monitor multiple email servers of virtually any type, incliding UNIX mail, POP3, IMAP4, Hotmail.com, Yahoo.com, and more. OmniBiff can display alerts graphically or act as a proxy for other biff programs.
OneLDAP is a limited LDAP server that is a proxy to other common protocols, such as POP3 and IMAP. It provides basic SEARCH and BIND functions for standard LDAP authentication. It is based on the shell backend function of OpenLDAP. Release files are available at the project website.
OneTwoSteGo is a JPEG Steganography Extension for the Mozilla Thunderbird Email Client. It allows for easy sending/receiving of images that have a hidden message embedded into them.