[i_am_jl]

Redis is 3-clause BSD, BSD does not have a "your license is void if you sell a product that competes with us" clause. Redis does have enterprise products that are licensed in a manner similar to BSL, but Redis itself is not.

MongoDB and Elastic are SSPL. SSPL approaches the problem like the AGPL; it compels licensees who sell a service derived from the software to make available under the SSPL the source of all supporting tooling and software so that a user could spin up their own version of the service.

There's an argument to be made that SSPL is de facto "you can't compete with us" since it would be more challenging to make a competitive SaaS offering if your whole stack is source available. I don't disagree. However, as distasteful as SSPL is, at least it doesn't grant licensing to a product conditionally on the unknowable future product offerings of HashiCorp.

[verdverm]

thanks for the explanation, my understanding is that they are all after limiting competition in various ways, while still trying to maintain the mantle of open source

We are certainly in interesting times around the monetization / financial sustainability of open source