Periodic Table by tokyodev Rating: 4.0 Total number of ratings: 11 Opera browser required. Download Opera Mouse over an element for quick information, or click for more details. Permissions This extension will add a button to Opera. Screenshots About the extension Downloads4,152CategoryProductivityVersion1.0Size14.8 KBLast updateApril 29, 2011LicenseCopyright 2011 tokyodev Related ProKeys Save time and effort in emails, etc. with ProKeys! Define snippets, do math in browser, auto complete braces, and much more. Rating: 4.0 Total number of ratings: 5 SimpleUndoClose A simple popup to undo closed tabs, just that and a bit more. Rating: 4.5 Total number of ratings: 62 Remove bookmark in one click Allows you to delete a bookmark by clicking on the heart Rating: 4.0 Total number of ratings: 12 Evernote Web Clipper Use the Evernote extension to save things you see on the web into your Evernote account. Rating: 4.5 Total number of ratings: 689 convert2mp3.net Online Video Converter Adds an option to convert YouTube.com, Dailymotion.com, and Clipfish.de Videos online to MP3, MP4 and more formats Rating: 4.5 Total number of ratings: 135 Feedback from users Reviews and ratingsReported issues (0)Closed issues (0) You have to sign in to make a report. Current version (0) Version 1.0, last updated April 29, 2011 There are no reports.