Download Open Source Software

Here are the links to various Open Source Software:

• Operating Systems:

Ubuntu: this offers free downloadable operating system click here to download

for more information click here

Fedora: another version of Linux operating system offers free download of Operating system click here to download fedora 

Many versions are available in the market now some of them are:

1.  Centos
2. Redhat

• Database

Coming to the data base though oracle still the leading database software provider and Microsoft still trying to dominate with its licensed version of SQL server 20XX. The open Source databases available in the world some of them are .... provided with the downloadable links.

MySQL and PostgreSQL: To Download MySQL click here

MongoDB:  One of MongoDB's best capabilities is its support for dynamic (adhoc) queries. It doesnot require any special indexing to find data,users can find data using any criteria. Best for relational queries. 
Click here to download  

Oracle BerkelyDB: It provides a collection of well-proven building-block technologies that can be configured to address any application need from the hand-held device to the data center, from a local storage solution to a world-wide distributed one, from kilobytes to petabytes.click here to download