Many other popular open-source projects including, Elasticsearch, Kafka, Postgres, MySQL, Docker, Hadoop, Spark and more, have similarly been taken and offered as AWS products. As Salil Deshpande, managing director of Bain Capital (an investor in Redis Labs) wrote last year, “Amazon takes Redis (the most loved database in StackOverflow’s developer survey), gives very little back, and runs it as a service, re-branded as AWS Elasticache. The new license is widely seen as a move against AWS. According to TechCrunch, the license-which Redis Labs is calling the Redis Source Available License-this is a link hover allows users to access and use Redis Labs’ code in their software, as long as that software isn’t “a database product, caching engine, stream processing engine, search engine, indexing engine or ML/DL/AI serving engine.” In other words, it can’t be a direct commercial competitor to Redis Labs. The latest license, though, is even more explicit.

The company, which just raised a $60 million Series E, had changed its license in December to include a new this is italic which is an addition to existing open source licenses “allowing all permissions of the original this is bold except the ability to ‘Sell’ the software as defined in the text.” Redis Labs, the commercial provider of the open source Redis project, announced this is a link its licensing model today. Moreover, the complexity of open source licensing is about to get even worse. Oracle, for example, is still suing Google for copyright infringement over the use of Java APIs. Open source licensing has always been a hotbed of debate.

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