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  2. List of quantum chemistry and solid-state physics software

    en.wikipedia.org/wiki/List_of_quantum_chemistry...

    The programs include both open source and commercial software. Most of them are large, often containing several separate programs, and have been developed over many years. Most of them are large, often containing several separate programs, and have been developed over many years.

  3. Comparison of free and open-source software licenses

    en.wikipedia.org/wiki/Comparison_of_free_and...

    FOSS stands for "Free and Open Source Software". There is no one universally agreed-upon definition of FOSS software and various groups maintain approved lists of licenses. The Open Source Initiative (OSI) is one such organization keeping a list of open-source licenses. [1] The Free Software Foundation (FSF) maintains a list of what it ...

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

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

    This is a list of free and open-source software (FOSS) packages, computer software licensed under free software licenses and open-source licenses. Software that fits the Free Software Definition may be more appropriately called free software; the GNU project in particular objects to their works being referred to as open-source. [1]

  5. Penex - Wikipedia

    en.wikipedia.org/wiki/Penex

    In the petroleum industry, much research has been done on the upgrading of light hydrocarbons.The realisation that normal pentane is one of the most important remaining components of naphtha that can be easily upgraded prompted Phillips Petroleum to investigate the various processes for converting normal (linear) pentane into (branched) isopentane.

  6. Comparison of operating systems - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_operating...

    Free (discontinued) — IBM System/370: OS/VS2 SVS: IBM: 1972: OS/360 MVT Release 1.7 Free (discontinued) — IBM System/370: Plan 9: Bell Labs: 1992 Unix Fourth Edition 2003 (except for minor later updates) No cost: MIT [5] Workstation, server, embedded system, HPC: QNX: QNX Software Systems 1982 Unix, POSIX: 7.1.0 July 2020: Bundled with ...

  7. Pentane - Wikipedia

    en.wikipedia.org/wiki/Pentane

    Pentane is an organic compound with the formula C 5 H 12 —that is, an alkane with five carbon atoms. The term may refer to any of three structural isomers, or to a mixture of them: in the IUPAC nomenclature, however, pentane means exclusively the n-pentane isomer, in which case pentanes refers to a mixture of them; the other two are called isopentane (methylbutane) and neopentane ...

  8. Free and open-source software - Wikipedia

    en.wikipedia.org/wiki/Free_and_open-source_software

    "Free and open-source software" (FOSS) is an umbrella term for software that is considered free software and/or open-source software. [1] The precise definition of the terms "free software" and "open-source software" applies them to any software distributed under terms that allow users to use, modify, and redistribute said software in any manner they see fit, without requiring that they pay ...

  9. Comparison of version-control software - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_version...

    The following table contains relatively general attributes of version-control software systems, including: Repository model, the relationship between copies of the source code repository. Client–server, users access a master repository via a client; typically, their local machines hold only a working copy of a project tree. Changes in one ...