Balsamiq Mockups 3.5.17 is a maintenance release from the legacy Mockups 3 desktop line (prior to the current "Balsamiq Wireframes" series). This version focuses on stability, compatibility, and bug fixes rather than new features.
Opening very old projects, working in air-gapped environments, or maintaining legacy design workflows that require the exact 3.5 behavior. Balsamiq Mockups 3.5.17
Balsamiq no longer actively develops or supports Mockups 3.5.x. Users are encouraged to migrate to Balsamiq Wireframes (cloud or desktop) for ongoing updates, collaboration features, and modern OS support. Balsamiq Mockups 3
