Greenstone: It is a set of programs and software applications specially designed for the creation and dissemination of digital documents, and collections which offers you a new way of organizing information and publishing it on the Internet. Hear other arguments on the topic with Compuware. This tool has been elabo as part of the project of Library Digital of New Zealand of the University of Waikato and is currently developed and distributed in cooperation with UNESCO and the Human Info NGO. It is available in low open source software terms and conditions of the GNU General Public License. KOHA: Was developed in New Zealand like the previous in the year 1999 by Horowhenua Library Trust and Katipo Communications Ltd. This tool proposes to resolve the needs of the information units, several libraries worldwide have tried it with favourable and promising results. It has the potential of becoming a universal system, when librarian for using open source applications wakes up a serious interest by the Guild. The firm that began the project didn’t assume future costs of development or handle technical support. Since then, the ILS Horowhenua library and Nelsonville public library continued its use because they could develop and modify fields, add new modules according to your needs and characteristics and special requirements of your institution.
Thus demonstrated that a project of open strong, these features will prosper in the community, if libraries devoted its human resources to its sustainable development. Openbiblio: It has developed constantly since 2002 for being open source code for easier, more intuitive use between the SIGB available on the open market. As some of their open source counterparts, it uses the CSS and PHP templates to assist the management of the content by the most inexperienced librarians responsible for maintenance of the network. Although no large library has expressed interest in adoption, the number of active creators has grown and its functionality has improved correspondingly.