Classic strong copyleft still widely used; distributed derivatives generally must remain under GPL-compatible terms.
Compared to common options: Stronger than MIT/Apache/LGPL for distributed derivatives; AGPL adds network-use source obligations; GPL-3.0 updates patents/DRM themes.
Generally allows
Commercial use
Modification
Distribution
Private use
Typically requires
Disclose source when you distribute the software
Include license and copyright notices
Keep distributed derivatives under GPL-compatible terms
Watch-outs
Distributing proprietary closed derivatives of GPL-covered works
Holding authors liable
How teams usually use it
Confirm whether the project is GPL-2.0-only or or-later — it changes upgrade and compatibility options.
SaaS-only use without distribution may not trigger the same release duties as AGPL.
Map dependency license compatibility before combining with proprietary or incompatible code.
Orientation only — not legal advice. Always verify the repository LICENSE file, notices, and dependency terms, and obtain counsel for commercial distribution decisions.
Projects declared under GPL-2.0.
Inspect repositories, stacks, activity, and alternatives across catalog projects that declare GPL-2.0.
12 projects connectedAlways verify the repository LICENSE file and obtain legal advice when needed.
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