Foxmarks -- keep all your bookmarks synchronized across all your pc's

No more exporting and importing multiple times to get consistency across all your Firefox instances.

http://www.foxmarks.com/

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Gobby -- shared text editing over the internet/network

From the home page "Gobby is a free collaborative editor supporting multiple documents in one session and a multi-user chat. It runs on Microsoft Windows, Mac OS X, Linux and other Unix-like platforms." Home page screenshots link.

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Source Navigator NG - Need to learn an existing code base fast?

Source Navigator NG is the best tool I've found for tracing through and learning a code base. Runs on most OS's. Well worth a look. Note the project is hosted on berlios, the sourceforge projects are unmaintained.

http://sourcenav.berlios.de/

http://sourcenav.berlios.de/screenshots/

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Nice Article About Converting a School District to LINUX

An interesting article about converting a school district over to LINUX. Be sure to go back and read the previous installment also.
http://www.linuxjournal.com/node/1005992

Previous installment:
http://www.linuxjournal.com/article/9688#mpart4

PostgreSQL

I've been involved with PostgreSQL as a user and an applications developer since version 7.2.3. It is an exceptional piece of work. If you're interested in or require a relational database for personal or commercial needs, you should invest a little of your time with this open source gem. Commercial and professional support is available if you so desire from several companies.

www.postgresql.org