Free and open source applications, Specialized Web Search Engines and Web Portals, Scholarly articles, research papers and learning resources Search Engines Google Scholar Genamic Journal Seek BASE iSEEK refSeek Books Google Book Search Book Finder Amazon Reference Management Tools Zotero EasyBib Automatic Bibliography and Citation Maker Mendeley Plagiarism Detection Tools Plagiarisma.Net Duplicate Checker (plagiarism detection tool) Plagiarism Detect Plagiarism Checker Images, clip arts, PowerPoint templates, backgrounds Google Images Fppt.com Metasearch Engines Dopile Metacrawler Webcrawler Trust Mamma Translating Tools Google Translate IM translator Prompt Online Dictionary.com Translator Maps and atlases Google Maps Worldatlus Videos Internet Archive TeacherTube Academic Earth YouTube EDU People Yahoo People Search Find a person Information Sharing and Data Backup Tools Photo sharing tools Flicker Picasa ImageSack Online Language Converters Google Transliteration Tamilcube.com (English to Sinhala converter) Tamilcube.com (English to Tamil converter) Presentation sharing tools Slideshare Slideboom Slidesnck Sending large files Wetransfer Google Drive Online web boxes Dropbox CX.com Tools to handle long web links Tiny URL (tool to shorten URLs) Google URL Shortner (tool to shorten URLs) Bitly (tool to shorten URLs) Long URL (tool to expand shortened URLs) File Format Converters Free File Converter PDF Converter Docx to Doc converter NCH Software PDF and WORD Converter Screen Capture Tools Snipping Tool (Windows 7, Windows Vista) ScreenHunter Download Managers Free Download Manager FlashGet File Compressing Tools Online Convert.com (compress files to zip format) 7-Zip Reference Materials Wikipedia (English) Wikipedia (Sinhala) Wikipedia (Tamil) Britannica Online Webopedia Dictionary.com Thesaurus.com Reference.com DictionaryBoss Kapruka Sinhala Tamil online Dictionary Madura Online Dictionary