LimeSurvey Community Edition

Facts

License GNU General Public License v2.0 The GNU GPL is the most widely used free software license and has a strong copyleft requirement. When distributing derived works, the source code of the work must be made available under the same license. There are multiple variants of the GNU GPL, each with different requirements. May Commercial useModificationDistributionPrivate use Must License and copyright noticeState changesDisclose sourceSame license No LiabilityWarranty Summary from GitHub's choosealicense.com

Paid-feature tier U Tier ULicense or parity scope unresolved

Self-host Self-hostable: yesYou can run it on your own server.

Paid-feature limits2 noted

• ComfortUpdate automated updates require paid subscription after trial; manual updates remain available
• Cloud has exclusive features; complete current Cloud-versus-CE feature list not established

Tier U: GPL CE is self-hostable with mature research survey functionality. Current official site explicitly says Cloud includes exclusive features; older forum assertions of full parity are superseded. Exact exclusives not sufficiently enumerated to assign A/B/C confidently. License source. Repository: LimeSurvey/LimeSurvey. Self-host: server; hosted offer from the project: yes.