data: AWS PartiQL, SQL++

Announcing PartiQL: One query language for all your data | AWS Open Source Blog





[1405.3631] The SQL++ Query Language: Configurable, Unifying and Semi-structured

Open Core Summit 2019

Open Core Summit 2019

"Open Core Summit (OCS) is the global commercial open-source software (COSS) category ecosystem conference for builders, founders, developers, customers, investors, analysts and everyone excited to learn, meet and collaborate on all things at the intersection of OSS and business"

Open-core model - Wikipedia

"The open-core model is a business model for the monetization of commercially-produced open-source software. Coined by Andrew Lampitt in 2008,[1] the open-core model primarily involves offering a "core" or feature-limited version of a software product as free and open-source software, while offering "commercial" versions or add-ons as proprietary software"