This article explains the concept of GPL’s “infectiousness,” clarifies common misconceptions, illustrates how the license affects combined software, and discusses practical implications for changing licenses in open‑source projects, supported by legal references and diagrams.
This article gathers engineers’ experiences and advice on selecting open‑source licenses, explaining GPL’s contagion risk, comparing permissive (MIT/Apache) and copyleft (GPL/LGPL) options, and offering practical guidelines for balancing technical freedom with commercial security across different project scenarios.
This comprehensive guide explains what open source is, distinguishes permissive and copyleft licenses, details common licenses such as MIT, Apache‑2.0, GPL, LGPL, AGPL, and MPL, shows how to apply a license in a project, and highlights a Chinese GPL infringement case.
This article examines the major open‑source licenses—GPL, MIT, Apache 2.0, and BSD—detailing their key features, typical use cases, and example clauses to help developers choose the most suitable license for their projects.
The article surveys the 40‑year history of the Free Software Foundation, hacker culture, the GPL licenses, the rise of Linux and open‑source movements, examines corporate responses from IBM, Microsoft and Google, and outlines a wide range of interdisciplinary research questions for the open‑source ecosystem.
At the GNU 40th anniversary celebration in Biel, Switzerland, Richard Stallman disclosed his cancer treatment, criticized Red Hat's GPL practices, and argued that current generative AI systems like ChatGPT lack true understanding, warning of their misuse and emphasizing the need for ethical software licensing and youth engagement in free software.
The article explains why Oracle can release MySQL under a dual GPLv2/commercial licensing model, how the GPL works, the impossibility of changing licenses for existing versions, and proposes creating a domestically controlled GPL‑v2 MySQL fork to avoid future licensing risks.
This article examines the relationship between open‑source licenses and patents through a real case of a GPL‑2.0 project, explains legal distinctions between copyright and patent rights, and offers practical guidance for developers on protecting their work and handling potential patent conflicts.
This article chronicles Richard Stallman's uncompromising pursuit of software freedom, the rise of the GNU project, its clash with proprietary software and the open‑source movement, and how his ideals shaped the modern free‑software ecosystem despite commercial pressures.
A Chinese phone maker UMIDIGI faced public pressure after influencer Naomi Wu and a Polish developer demanded the GPL‑v2‑licensed kernel source of the Android 10‑based UMIDIGI F2, highlighting the obligations and controversies surrounding open‑source compliance.
The article examines GitHub Copilot’s AI‑driven code generation, its training on billions of GPL‑licensed lines from GitHub, the ensuing controversy over turning the tool into a paid product, and how this debate intersects with GPL principles and landmark legal cases such as Oracle v. Google.
This article introduces several widely used open source licenses—including BSD, Apache License 2.0, GPL, LGPL, MIT, MPL, and EPL—explaining their main permissions, obligations, and suitability for commercial software development.
This guide explains why Navicat’s licensing issues make MySQL Workbench a compelling, GPL‑licensed, free alternative, and walks through downloading, installing, creating connections, testing them, and using core features such as schema defaults, fuzzy table search, CRUD operations, and data preview.
This article explains why selling free software is perfectly legitimate, clarifies common misconceptions about price and freedom, outlines the GNU GPL’s stance on charging for distribution, and shows how revenue from open‑source sales can sustainably support the community.
This article presents a concise, five‑minute visual guide—created by Ukrainian developer Paul Bagwell—that clarifies the key differences among the six most popular open‑source licenses (GPL, BSD, MIT, Mozilla, Apache, LGPL), helping developers quickly decide which license best fits their projects.
The 2019 analysis of over 4 million open‑source packages shows permissive licenses like MIT and Apache 2.0 gaining market share while copyleft licenses such as GPL are losing popularity, highlighting a shift toward minimal‑restriction licensing for developers and businesses.
With hundreds of open‑source licenses available, this concise guide—featuring a two‑minute diagram by Ukrainian developer Paul Bagwell—clarifies the key differences among the six most popular licenses (GPL, BSD, MIT, Mozilla, Apache, LGPL), helping you select the right one effortlessly.
This article introduces GNU as the main source of Linux applications, outlines key GNU tools such as GCC and bash, and explains common open‑source licenses—including Mulan, GPL, LGPL, and BSD—highlighting their permissions and restrictions for developers.
The Beijing High People’s Court’s landmark 2019 ruling in Digital Heaven v. Yuzu, China’s first GPL‑related lawsuit, rejected Yuzu’s claim that three HBuilder plugins were GPL‑bound derivatives, ordered RMB 710,000 damages, and highlighted both growing judicial recognition of the GPL and the need for companies to isolate, analyze, and manage open‑source components to avoid copyleft liability.
This article provides a concise overview of core Linux concepts, covering the GNU project and GPL license, common distributions, swap partitions, GRUB bootloader, buffer vs cache, TCP three-way handshake, filesystem hierarchy, hard and symbolic links, and an introduction to RAID levels and their characteristics.
This article provides a comprehensive overview of core Linux concepts, including the GNU project and GPL license, common distributions, Unix origins, swap partitions, GRUB bootloader, buffer vs cache, TCP three‑way handshake, filesystem hierarchy, hard and symbolic links, and RAID storage technologies.
The article examines Google's suspension of Huawei support, explains why Android uses the Apache License instead of GPL, outlines common open‑source licenses, discusses licensing implications for Node.js and mobile ecosystems, and highlights recent licensing controversies affecting developers.
After years of legal battles over VMware's use of GPL‑licensed Linux code in its ESXi hypervisor, developer Christopher Helwig has abandoned his appeal, citing the court's high evidentiary demands and VMware's recent pledge to stop using Linux code.
This comprehensive guide introduces the GNU project and GPL license, outlines typical Linux distributions, explains Unix roots, swap partitions, GRUB bootloader, buffer vs cache, TCP three-way handshake, Linux directory hierarchy, hard and symbolic links, and RAID levels, providing essential Linux fundamentals for beginners.
This article introduces the fundamentals of Linux and open‑source software, covering GNU and GPL licensing, typical Linux distributions, Unix roots, swap partitions, GRUB bootloader, buffer vs cache, TCP three‑way handshake, filesystem hierarchy, hard/soft links, and an overview of RAID levels.
This article provides a comprehensive overview of core Linux concepts, including the GNU project and GPL license, common distributions, swap partitions, GRUB bootloader, buffer vs cache, TCP three-way handshake, filesystem hierarchy, hard and soft links, and RAID technology.
In a 2011 LinuxFR interview, Linus Torvalds discusses why he changed the kernel's original non‑GPL license to GPL, his views on morality in licensing, the challenges of desktop versus server markets, and how he collaborates with maintainers on kernel development.
This article introduces several popular open‑source licenses—including Apache 2.0, GPL v3, MIT, BSD, Eclipse, and others—detailing their commercial use rights, required notices, modification obligations, patent provisions, and liability limitations to help developers choose an appropriate license.
