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* [DataBib](http://databib.org). Databib is a tool for helping people identify and locate online repositories of research data. Users and bibliographers create and curate records that describe data repositories that users can search.   * [re3data.org](http://http://www.re3data.org/). Re3data is a global registry of research data repositories from different academic disciplines for researchers, funding bodies, publishers and scholarly institutions.   * [Data repositories, Open Access Directory](http://oad.simmons.edu/oadwiki/Data_repositories) A list of repositories and databases for open data.  * [Force 11 Catalog](http://www.force11.org/catalog) A dynamic inventory of web-based scholarly resources, a collection of alternative publication systems, databases, organizations and groups, software, services, standards, formats, and training tools.  ## Appendix C: Workflow Management Systems  * [Taverna](http://www.taverna.org.uk/) An open source and domain-independent Workflow Management System – a suite of tools used to design and execute scientific workflows and aid in silico experimentation.  * [Kepler](https://kepler-project.org/) Software designed to help scien­tists, analysts, and computer programmers create, execute, and share models and analyses across a broad range of scientific and engineering disciplines.   * [Wings](http://www.wings-workflows.org/) A semantic workflow system that assists scientists with the design of computational experiments.   * [VisTrails](http://www.vistrails.org/index.php/Main_Page) An open-source scientific workflow and provenance management system that supports data exploration and visualization.  * [Knime](http://www.knime.org/) A graphical workbench for the entire analysis process: data access, data transformation, initial investigation, powerful predictive analytics, visualization and reporting.  ## Appendix D: Source Code Repositories  * [Github](http://github.com) A web-based hosting service for software development projects that use the Git revision control system, including many open source projects. 
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* [Mercurial](http://mercurial.selenic.com/) A free, distributed source control management tool. It efficiently handles projects of any size and offers an easy and intuitive interface.  * [BitBucket](https://bitbucket.org/) A web-based hosting service for projects that use either the Mercurial or Git revision control systems.   ## Appendix E: Systems to Package, Access, and Execute Data and Code  * [iPython Notebooks](http://ipython.org/notebook.html) A web-based interactive computational environment where you can combine code execution, text, mathematics, plots and rich media into a single document.  * [ROpenSci](http://ropensci.org/) A suite of packages that allow access to data repositories through the R statistical programming environment. 
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* [Eprints](http://www.eprints.org/software/). EPrints is one of the easiest and fastest way to set up small to medium sized repositories of open access research literature, scientific data, theses, reports and multimedia. Developed at the University of Southampton, UK.  * [DSpace](http://www.dspace.org/). DSpace is a turnkey institutional repository application developed by the Duraspace organization.  ## Appendix G: Licensing and Privacy  * [Open Source Initiative, Licenses](http://opensource.org/licenses) Open source licenses are licenses that comply with the Open Source Definition: they allow software to be freely used, modified, and shared. These include Apache, BSD, GNU (GPL), MIT, and Mozilla Public License.  * [Privacy Tools for Sharing Research Data](http://privacytools.seas.harvard.edu) A Harvard-based collaborative and multidisciplinary effort to help enable the collection, analysis, and sharing of personal data for research in social science and other fields while providing privacy for individual subjects.