Feel the difference;)
Let’s say you are a small or mid-sized organization starting the business. Would you prefer to use free open source PM software paying only for extra services if you really need them or you would you use the proprietary tool? While you are thinking on the answer, here are some free open-source project management applications, which don’t have any limitations for free versions…
phpCollab is an open source system for use in projects that require collaboration over the internet. The features included: team/client sites, task assignment, document repository/workflow, gantt charts, discussions, calendar, notifications, support requests, weblog newsdesk, invoicing, etc..
Download
2. Collabtive
Collabtive is the second alternative to proprietary tools like Basecamp. Collabtive is written in PHP and JavaScript.
Download
dotProject is a volunteer supported Project Management application. This tool is managed, maintained, developed and supported by a volunteer group and by the users themselves.
Download
4. TeamLab
TeamLab business collaboration platform is an open-source software. TeamLab source code is listed on SourceForge and distributed under GNU GPL v3 license terms. It is available for download and deployment on your own server.
Download
(Fuente: freepmtools)
While the majority is using Google Docs, there are several decent alternatives…..
activeCollab
activeCollab gives people tools for:
TeamLab
Documents
TeamLab Documents offers an online document management software, which allows you to:
Files&Discussions
With CentralDesktop you may:
Docs
DeskAway Docs allows you and your team:

Fran Maier is the president and executive chair of TRUSTe, the leading online privacy solutions provider. She speaks widely on issues of online privacy and trust and is active in mentoring women in technology. She serves on a number of Internet and trust-related boards, including the Online Trust…

Gmail is taking a few cues from its tablet apps with Preview Pane, Google’s newest Gmail Labs feature. Preview Pane, which is now available in Gmail Labs, allows users to simultaneously preview parts of an email while reading or replying to others. Users of Gmail for iPad or Android will insta…