The Apache Software Foundation (ASF) is one of the most influential FOSS governance institutions — a membership-based nonprofit that hosts hundreds of projects under a meritocratic governance model and the permissive apache-license-2.
The ASF was formally incorporated on March 25, 1999, by 21 founding members who had been collaborating informally since 1995 on the Apache HTTP Server — a FOSS web server that powered the majority of the early web. The founding group included Brian Behlendorf and others who had been developing Apache collaboratively by email. The formalization created a legal entity to hold copyright, handle donations, and provide organizational continuity for the HTTP Server project and the many projects that subsequently came under its umbrella.
The ASF's governance model — known as "the Apache Way" — is explicitly meritocratic: contributors earn commit access and eventually project leadership (PMC membership) through demonstrated technical contribution. Governance is by lazy consensus within project management committees (PMCs), with the ASF board providing oversight. This model contrasts with the bdfl-governance model exemplified by linus-torvalds and guido-van-rossum, distributing authority among a technical community rather than concentrating it in a founder.
The apache-license-2 (Apache License 2.0, released 2004) is a permissive license that allows use in proprietary products, includes explicit patent grants, and is OSI-certified. It has become the dominant license for corporate-sponsored FOSS projects, favored over the mit-license and bsd-license for its explicit patent provisions. The license reflects the ASF's pragmatic, corporate-friendly orientation — far from the copyleft philosophy of the free-software-foundation.
The ASF has grown to host projects far beyond its original web server: Hadoop, Kafka, Spark, Cassandra, Maven, Tomcat, and hundreds of others. This breadth made the ASF a key institution in the mainstream-adoption-and-corporate-embrace-2005-2014 era, particularly for big data infrastructure where multiple competing corporations co-invested in shared open source foundations.
The ASF's membership model — individuals earn ASF membership, not corporations — was designed to prevent corporate capture of the governance structure, though critics in the modern-foss-and-sustainability-crisis-2015-present era have questioned whether this structural independence is maintained in practice given corporate sponsorship.