Interleave is a Web-enabled business process automation application. It enables you to model your business process like purchasing, project management, and contract management and make it available online. It's meant to replace processes which currently rely on paper, email, or spreadsheets and it has a very good workflow engine. You can create invoices, export to RTF and PDF based on templates, export to MS Excel, interpret incoming email, and publish your data to the Web.
Open-Xchange Server Edition is a multi-tier, small footprint solution that integrates seamlessly into customer’s architectures, enabling smooth start of operation based on services. The Open-Xchange Server Edition supports different Enterprise Linux systems like SUSE Linux Enterprise Server 10, Red Hat Enterprise Linux 5, and Debian Etch. Users are presented with a highly advanced, improved, and intuitive browser based interface that meets all their email, calendaring, tasking, contacts, and document storage requirements. Further integrations like LDAP-support or ADS are possible. It's designed for medium organizations and educational and public administrations that want to have a customizable communication solution.
Conflux is Web-based groupware and collaboration software. It offers a shared central document repository, shared calendars, tasks and contacts, and an email client. It has support for Unicode, multiple languages, and date/time formats for the English, German, and Estonian languages. Access rights are offered in hierarchical (group) form.
Copper is a Web-based project management software tool designed to help creative teams manage clients, projects, tasks, files, budgets, and events. It has an HTML/AJAX front end. It is available with full source for a licence fee or as a SAAS hosted service (compatible with iPhone, but available via PC/Mac/Linux and a Web browser).
Wikidbase is a powerful and highly flexible combination of two structural extremes of data management systems: a wiki and a database. As such, it has all of the flexibility of a wiki (e.g. any kind of unstructured data can be stored) and the structural data capabilities of a database (e.g. data may be modelled similarly to database fields, tables, and relations, such that structural reports can me made of that data). The functionality is combined in such a way that this general-purpose data management system may be shaped easily, without the need of a database expert, into a custom data management application such as a contact relation management (CRM) system, a knowledge base, a shared calendar system, a project management system, etc.
EBsuite.com is a Web-based e-business software suite for small to mid-sized businesses and developers. Its project management module contains integrated bug tracking, file checkin/checkout, patch management, project/task scheduling, a Gantt chart, a calendar/task application, and much more.
ivata groupware is a groupware/intranet portal system based around J2EE standards. It provides an enterprise-ready solution. It is a great tool to enable teams to find contacts in team and private address books, to share documents, to post articles and notes, to comment on articles, to receive notifications via email, to plan meetings and other events in the calendar, and to access email via the Web.
Haystack is a powerful tool designed to enable each and every individual manage all of her information in the way that makes the most sense. By removing the arbitrary barriers created by applications that only handle certain information "types", and recording only a fixed set of relationships defined by the developer, users can define whichever arrangements of, connections between, and views of information they find most effective. Such personalization of information management will dramatically improve your ability to find what you need when you need it.