1. BibMe: BibMe's Harvard reference generator is a free tool that allows users to create citations in Harvard style. It offers a variety of features such as the ability to import references from a PDF or file, and the option to save and share citations.
2. EasyBib: EasyBib's Harvard reference generator is another free tool that allows users to create citations in Harvard style. It offers a variety of features such as the ability to automatically format references, and the option to export citations to a variety of formats.
3. Citation Machine: Citation Machine's Harvard reference generator is a free tool that allows users to create citations in Harvard style. It offers a variety of features such as the ability to search for references by title or author, and the option to create citations for multiple sources at once.
4. Cite This For Me: Cite This For Me's Harvard reference generator is a free tool that allows users to create citations in Harvard style. It offers a variety of features such as the ability to generate citations from a URL or DOI, and the option to export citations to a variety of formats.
5. Zotero: Zotero is a free and open-source reference management software that includes a Harvard reference generator. It offers a variety of features such as the ability to import references from a PDF or file, the option to save and share citations, and the ability to create citations for multiple sources at once.