Free approval workflow software for linux

Sequoia ERP is a true enterprise-class open source ERP solution. It combines the advanced features and scalability required for enterprise software with the flexibility and low cost of ownership that only open source can deliver.
Main features:
- Full Suite of integrated applications that deliver a 360-degree view of your business.
- Compatible all major open source and commercial relational databases, including MySQL, PostgreSQL, Oracle, Sybase, and Microsoft SQL Server.
- Runs on Linux, Unix, and Windows operating platforms.
- Service-Oriented Architecture for easy interoperability with external or legacy applications.
- Remote and local synchronization for scalability and high availability.
- Workflow for adapting to unique business processes.
- Available under the business-friendly MIT Public License.

Time Sheets are free linux timesheets for project tracking.
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Main features:
User Interface
- Complete redesign including user-friendly organization and navigation
- Collapsible, customizable Toolbar with interactive calendar and timesheet status data
- Scrolling and single day display options for long periods that alleviate "wide" timesheet and compliance problems
- Dynamic, on-screen options to sort and display data in a variety of formats
Administrator Interface
- Ability to copy settings from existing users, projects, etc. for quick creation and set up of new items
- Access to all set up options on a single user or project creation screen
- Various types of reports consolidated and accessible under the main Reports tab
- Improved search, select and assign capabilities for automated approval plans, etc.
- Ability to search for, select and submit multiple timesheets for approval with a single click
- Improved Help menus and Sitemap that act as guides to the new navigation
Look and Feel
- Hierarchical tab navigation with the option to customize the color scheme
- Standard icons and page layout throughout the product
- Continued flexibility for branding and customizing the interface to fit organizational needs
Miscellaneous
- Leave request automation with supervisor review
- Manager reporting on all outstanding time off scheduled
- Option to subtotal by several different parameters in reports
- International character support
- Performance improvements via setting to limit number of items displayed in dropdown menus
- Advanced options for editing approved timesheets to meet specific auditing requirements

XWork is a generic command pattern implementation and inversion of control (IoC) container. XWork is designed to be small, fast, and fit specifically for workflow-related usages, such as Web application frameworks and workflow engines. XWork provides the foundation for WebWork, a Java-based Web framework.
Main features:
- Interceptor-based framework, allowing for tons of extensions to be built
- Inversion of Control (IoC) framework
- Can be used as the basis for a web application framework all the way to a workflow engine
Enhancements:
- This release primarily involves a few internal tweaks and API convenience methods.
- It is backwards compatible with 1.0.3 and should have no impact when upgrading.

SiteBar project is a solution for people who use multiple browsers or computers and want to have their bookmarks available from anywhere without need to synchronize them or take them along. The bookmarks are stored on a server - this could be:
SiteBar server run by its authors (you dont need to install SiteBar software - just sign up our service);
another public server running our SiteBar software;
your own server running our free SiteBar software.
The bookmarks are displayable/modifiable in almost any standards compliant browser.
SiteBar allows you keeping links private (the default) while giving you possibility to grant access to your bookmarks to selected user groups or to everyone. You can maintain your personal, family, team, company or enterprise-wide bookmarks with flexible access rules, permissions and customizable design!
Using RSS feeds you may monitor what additions have been added to certain SiteBar folders or to the whole SiteBar installation.
Enhancements:
- Tree class and sanity module improved to consume less memory.
- Fixed display of the statistics for SQL queries.
- Group management functions should not be available to anonymous users.
- Fixed warning when filtering user groups using empty filter regexp.
- Improved code for adding page in IE so that it works with IE 6.0 (was showing error accessing external.menuArguments.document).
- Some keys for the MS IE integration installer were moved from HKEY_CURRENT_USER to HKEY_LOCAL_MACHINE. This solved problem experienced by some MS IE 6.0 users (and actually conforms to the tutorial from MS).
- Fixed "mobile" SiteBar writer - adapted to changed plugin API.
- Feed URL fixed again. Be warned, it does not seem granted it will work forwever.
- Use relative path for JavaScript - it should be found there.
- Private links were not loaded over AJAX.
- Feed URL fixed, URL is now encoded before sending to the reader.
- When "Auto Retrieve Favicon" was turned off, the URL has not been prefilled when adding a link.
- Folders loaded via AJAX were not using externally set target attribute.
- [B120] Language detection not working for nb_NO/no_NO.
- [B118] Remove "content" from "Add Page" bookmarklet.
- [B111] Enter key not working in the search field for searching web in IE. window.open is now used instead of trying to set proper window location.href
- Development releases now marked with svn after version number.
- Fixed wrong path composition when changing images in the JavaScript.
- [B112] entity incorrectly used in HTML output causing problems in IE.
- Do not force version check upon each execution of SiteBar Settings.
- Avoid using function mysql_real_escape_string with PHP less then 4.3.
- [B114] Online help URL should be encoded.
- [B113] "Create Group" - default moderator should be current user.
- Fixed web search URL (replaced %25 back to %).
- Frontend filtering is back - requested by users.
- Fix favicon handling when added a link.
- Rename no_NO to nb_NO (http://tinyurl.com/epozf).
- Replace menu expanding using "two lines" with graphics. Placing mouse over the line of the double arrow expands the collapsed context menu.
- Fixed accented characters for some locales in the language name.
- Fixed ru_RU locale - caused blank pages on some installations.
- Removed ampersand conversion to entity in text emails during account approval.
- Fixed toggling of class name of disabled items.
- Fixed declaration of new javascript variables.
- Fixed incorrect enabling of commands in context menus.
- Disable HTTP traffic loggin.
- Disable automated downgrade, only one release can be downgraded at a time.
- "Email Verified" and "Invalid Token" changed to inplace commands.
- Some account creation messages were using email instead of username.
- Fix update of translations.

vPrise Workgroup application is a distributed environment that helps bridging development teams. vPrise Workgroup, allows users to communicate with one another on a project basis over time sheets, expense reports, issues, file exchange, tasks, schedules and calendars.
The tool can be divided into three distinct groups, where a user might be limited to the confines of a single group or utilize all features in all groups. The three feature groups within vPrise Workgroup are:
- Employee data submissions - allows distributed employees to submit hour reports and expense sheets.
- Management view - allows managers within an approval chain to approve/reject employee submitted time sheets. Furthermore it allows the manager to sum up this information using reports.
- Collaboration tool set - allows employees of the company to communicate with other team members and customer teams. These features include file trading, a distributed calendar & issue tracking.

DryDock is a Web publishing application that implements a development/production Web site pipeline. It codifies an approval process that forces users to approve all Web site changes before they go into production.

Sometimes, on a web server, system administrators are often ill-equipped to determine who created the document, why its being served, how long its been publicly viewable, and how its changed over time.

To police our own website, we create DryDock. DryDock is a web publishing application that governs the replication of content from a developmental, or staging web tree to a production web tree (ideally placed on a second server). DryDock codifies a formal approval process that forces management to approve all web site changes before those changes are put into production. Users never interact directly with the production web tree; DryDock updates it on their behalf.

Newsmail was created to allow easy news publication to one or more sites, using email messages to insert, delete, and manage news.
It is a simple PHP news ticker that allows you to publish news via email. Newsmail can generate RSS feeds for news matching a given category.
Main features:
- import plain text or HTML email messages with or without attachments, and with or without Markdown syntax.
- store messages in database (currently Postgresql and MySQL are supported, but the PHP code uses Pear::DB abstraction) and attachments in filesystem.
- request a confirmation message before publishing or deleting news.
- require an approvation from a moderator before publishing or deleting news.
- answer to some administration commands directly via email (e.g. news listing, news delete and update).
- generate an RSS feed with news matching a particular category or with category equal to all
Enhancements:
- A small improvement was made to the install instructions.
- An approval option was added, which requires BCC_ADDRESS approval for inserting and deleting messages.
- The approval process uses a randomly generated token password to improve security.
- The database structure was changed to use a token for approval security.
- The MySQL table definition was improved to use INNODB.

Exponent is a web application that allows site owners to easily create and manage dynamic websites. Unlike other site management tools, Exponent is completely self-contained.

No additional applications need to be downloaded by a user to permit them to use Exponent. Everything from user management to site configuration to content editing and approval is done within the system.

Non-technical users, web-savvy administrators and web developers of all skill levels have something to gain from Exponent. Exponent is completely self-contained, unlike other site management tools on the internet.

For Users...

For people without technical backgrounds, Exponent is a user-friendly way to update a website. The system hides much of the complexity inherent in web design and development, and presents the user with simple forms for posting news, text, calendar events and more. The standard content editor provides visual editing, allowing people to create highly stylized content without learning HTML or CSS.

For Administrators...

Website administrators are given a powerful array of tools to manage the unseen parts of their website. Maintaining the sites database, dictating what users are allowed to create and manage content on what parts of the site, and configuring the system is all done with point and click tools. The Exponent permissions system gives webmasters a powerful and flexible way to let users and groups of users participate in site maintenance. Nearly every aspect of the sites behavior is controlled by the administrator, from the overall layout to the implementation of content approval policies.

For Developers...

Exponent provides developers a rich framework for deploying web applications. With a myriad of supporting subsystems, programmers can concentrate on the specific features of their application, while using a mature and stable backdrop of tools. Database abstraction, security, high-level date and time handling, intelligent redirection and configuration routines already exist, so application designers do not spend time re-inventing these common pieces.