Unverified60% confidenceFactExact time
SSPL (Server Side Public License) was introduced by MongoDB in 2018 and requires any company providing the software as a service to open-source its entire service stack; this provision was deemed by OSI to not conform to the open source definition.
2
Sources
60%
Confidence
Long-term
Relevance
9/4/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedMongoDB's SSPL and Elastic's ELv2, although they make source code publicly available, have not received OSI recognition because they include usage restrictions.70% similarUnverifiedOpenTOFU is a community fork hosted by the Linux Foundation, created in 2023 after HashiCorp changed Terraform's license from MPL to BSL.62% similarUnverifiedBSL-1.1 is a source-available license introduced by MariaDB Corporation that restricts commercial competitive use and specifies a change date (usually several years after release) and a changed license, automatically converting to fully open source upon expiry, and it is generally not recognized by the OSI as open-source software.60% similarUnverifiedIn 2023, HashiCorp changed Terraform's open-source license from MPL-2.0 to BSL-1.1, after which the community forked the OpenTofu project.57% similarUnverifiedThe Open Source Definition (OSD) was derived by OSI in 1998 from the Debian Free Software Guidelines and contains ten clauses used to determine whether a license can be called "open source."55% similar
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