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Open source

UK //ˈəʊ.pən sɔːs// US //ˈoʊ.pən sɔrs// Pronunciation

Definition

Software with publicly accessible source code that anyone can modify.

Listen to definition

In simple words: Software that anyone can see and change.

Examples

• Many programmers prefer using open source tools for their projects.
• Open source software fosters collaboration among developers.
• The best part about open source is the community it creates.
• You can find a wide range of open source applications online.
• Open source licenses allow anyone to use and modify the software.
• Many companies use open source frameworks to build their products.

Usage notes

Used mainly in tech and software discussions. Avoid in non-technical contexts. Often considered positive because it promotes collaboration.

Grammar pattern

open source + noun

Memory hint

Think of 'open' as doors to a library where anyone can borrow books.

Collocations

• open source software
• open source community
• open source project

Synonyms

• public domain
• free software
• collaborative software

Common mistakes

• Confused with 'closed source', which means the opposite.
• Using it to describe non-software topics.
• Misunderstanding that it's only free software; it can also be paid.