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Open-source software provides source-code access and allows users to use, study, modify, and redistribute the software.
Open-source software (OSS) is software distributed under a license that gives users access to its source code and permits them to use, study, modify, and redistribute it. These freedoms distinguish OSS from proprietary software, whose source code and usage rights are generally restricted. The Open Source Initiative’s Open Source Definition requires software to meet criteria such as source-code availability, permission to create and distribute derivative works, and nondiscrimination against users, groups, or fields of endeavor. The freedoms of open-source software concern liberty rather than price: users may run the software for any purpose, inspect how it works, adapt it to their needs, and share original or modified versions with others. Licenses determine the specific conditions for these rights. Permissive licenses, such as MIT, BSD, and Apache, allow modified software to be redistributed under different terms, while copyleft licenses, such as the GNU GPL, require certain redistributed derivative works to remain under the same or a compatible license. Open source is closely related to, but not identical with, free software; free software emphasizes user freedom, whereas open source commonly emphasizes collaborative development, transparency, and practical benefits.
Open-source software provides source-code access and allows users to use, study, modify, and redistribute the software.
The Open Source Definition requires nondiscrimination and permits use for any purpose, including commercial or noncommercial activities.
Open-source freedoms refer to liberty, not necessarily zero cost; software may be sold while remaining open source.
Permissive licenses allow redistribution under different terms, while copyleft licenses require certain derivative works to preserve the same licensing freedoms.
Open source differs from proprietary software because users are not limited to the rights granted by a vendor or copyright holder.
Software released with source code and a license allowing users to use, study, modify, and redistribute it.
The set of criteria maintained by the Open Source Initiative for determining whether a software license qualifies as open source.
The human-readable instructions that define how a software program operates.
The user rights to run, inspect, modify, and share software under the terms of its license.
An open-source license that allows broad use and redistribution, often permitting modified versions to use different licensing terms.
A license that requires certain redistributed modified versions to remain available under the same or a compatible license.
Software that combines open-source licensing with freedoms to use, modify, and redistribute the program without restrictions based on price.
“Can you explain what "Open-source software provides source-code access and allows users to use, study, modify, and redistribute the software." means in simple terms?”