Spine 2.1.27 Download
A: No. Spine has never been freeware. You need a paid license. However, Esoteric does offer a free trial for the latest version (30 days), but not for 2.1.27.
Having the editor is only half the battle. You also need the correct runtime library for your engine. Spine 2.1.27 Download
If you no longer have the runtime source code, check your old project backups or request them from Esoteric support. They are not generally available on the public website. A: No
Spine 2.1.27 exports JSON data in version 2.1 schema. Modern Spine runtimes (3.8+) will not read this without an upgrade tool. You cannot export to Spine 4.x format. If you no longer have the runtime source
The Linux .tar.gz build for Spine 2.1.27 works on older glibc versions. On modern distros, you may need to install libwebkitgtk-1.0 and use a containerized Java 8 environment (e.g., SDKMAN).