







This FAQ addresses questions for MariaDB customers and users interested in why MariaDB is employing the Business Source License (BSL).
Business Source License 1.1 | MariaDB
Details of MariaDB’s Business Source License (BSL) 1.1.

Adopting and Developing BSL Software | MariaDB
This FAQ addresses questions for developers & companies interested in working on Business Source License (BSL) software or adopting BSL for their own business.

Introducing the Functional Source License: Freedom without Free-riding
Sentry started life in 2008 as an unlicensed, 71-line Django plugin. The next year we began publishing it under BSD-3, and ten years later we switched to the Business Source License (BSL or BUSL). Last year we purchased Codecov, and a few months ago we published it under BSL/BUSL as well. That led to some vigorous debate because of our use of the term “Open Source” to describe Codecov, from which emerged this helpful suggestion from Adam Jacob, co-founder of Chef:


Licenses – Open Source Initiative
The content on this website, of which Opensource.org is the author, is licensed under a Creative Commons Attribution 4.0 International License.Opensource.org is not the author of any of the licenses reproduced on this site. Questions about the copyright in a license should be directed to the license steward. Read our Privacy Policy
What is RSL? | RSL: Really Simple Licensing
The open content licensing standard for the AI-first Internet

Some startups are going ‘fair source’ to avoid the pitfalls of open source licensing | TechCrunch
New alternative category to 'closed source' could help companies monetize software in the open -- without going all-in on open source.

Business Source License 1.1
HashiCorp helps organizations automate hybrid cloud environments with a unified approach to Infrastructure and Security Lifecycle Management.

The Open Source Distributor Business Model
Dirk Riehle, dirk@riehle.org, Published in Computer vol. 54, no. 12 (December 2021), pp. 99-103. Abstract This article defines and discusses one particular commercial open source business model, ca…

MongoDB For Startups
MongoDB for Startups offers free MongoDB Atlas credits, Voyage AI tokens, one-on-one technical advice, co-marketing opportunities, and access to our partner network.

Software Is Made Between Commits
From the Zed Blog: Agents turned the conversation into the real source of our software. DeltaDB is the version control built for it.
Sorting out the Ethical Licensing Mess
Software developers who give the world, for free, usage rights to the code they write often use open source licenses to make this gift legally explicit. These free usage rights (and then some) are …

DASL: MASL — Metadata for Arbitrary Structures & Links
MASL is a CBOR-based metadata system that is designed to work well with content-addressed and decentralised systems, to enable fully self-contained, self-certified content distribution.
