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  2. List of free and open-source software packages - Wikipedia

    en.wikipedia.org/wiki/List_of_free_and_open...

    Moodle – Free and open-source learning management system. OLAT – Web-based Learning Content Management System. Omeka – Content management system for online digital collections. openSIS – Web-based Student Information and School Management system. Sakai Project – Web-based learning management system.

  3. Wood gas generator - Wikipedia

    en.wikipedia.org/wiki/Wood_gas_generator

    Dodge V10 hauling hay with woodgas.Keith gasifier system Santa-Go, Kanagawa Chuo Kotsu Co., Ltd.. A wood gas generator is a gasification unit which converts timber or charcoal into wood gas, a producer gas consisting of atmospheric nitrogen, carbon monoxide, hydrogen, traces of methane, and other gases, which – after cooling and filtering – can then be used to power an internal combustion ...

  4. List of PDF software - Wikipedia

    en.wikipedia.org/wiki/List_of_PDF_software

    LibreOffice. Free ( Mozilla Public License) an Office suite; allows to export (and import, with accuracy limitations) PDF files. Microsoft Word 2013. Proprietary. Desktop software. The 2013 edition of Office allows PDF files to be converted into a format that can be edited. Nitro PDF Reader.

  5. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  6. Edwin R. Fellows - Wikipedia

    en.wikipedia.org/wiki/Edwin_R._Fellows

    Edwin R. Fellows (May 29, 1865 – May 21, 1945) was an American inventor and entrepreneur from Torrington, Connecticut who designed and built a new type of gear shaper in 1896 and, with the mentoring of James Hartness, left the Jones & Lamson Machine Company to co-found the Fellows Gear Shaper Company in Springfield, Vermont, which became one of the leading firms in the gear-cutting segment ...

  7. Gear - Wikipedia

    en.wikipedia.org/wiki/Gear

    Gear. Two intermeshing spur gears rotating at different velocity due to differing gear ratio. A gear[ 1][ 2] or gearwheel[ 3][ 4][ 5] is a rotating machine part typically used to transmit rotational motion and/or torque by means of a series of teeth that engage with compatible teeth of another gear or other part.

  8. Simple machine - Wikipedia

    en.wikipedia.org/wiki/Simple_machine

    For example, a bench vise consists of a lever (the vise's handle) in series with a screw, and a simple gear train consists of a number of gears (wheels and axles) connected in series. The mechanical advantage of a compound machine is the ratio of the output force exerted by the last machine in the series divided by the input force applied to ...

  9. VistaPro - Wikipedia

    en.wikipedia.org/wiki/VistaPro

    VistaPro is 3D scenery generator for the Amiga, Macintosh, MS-DOS, and Microsoft Windows. It was written by John Hinkley as the follow-up to the initial version, Vista. [ 1][ 2] The about box describes it as "a 3-D landscape generator and projector capable of accurately displaying real-world and fractal landscapes ."