Before the Internet.
The Aberree, newsletter from 1954 to 1964. (Above is the first issue.)
Jacjk Horner's Eductivism newsletter, mid 1960s until approx early 1970s. (Jack was harassed, infiltrated, assaulted,, and slandered.)
David Mayo's Advanced Ability Center.
The AAC magazine, 1983 onward. Ending date uncertain. (The AAC was harassed, infiltrated and sued.)
Mark Jones' Free Spirit Magazine for the Independent Field, 1984, and into the 1990s.
Dianasis, approx 1983 into the late 1980s.
And there were more. (Details of Fair Gaming of some of these are always appreciated.)
Most people who eventually moved beyond any form of Scientology went through a phase where they thought the tech worked but the organization was dysfunctional or worse.
Anyone with scans of any of these issues, or other information on them, is welcome to contribute.
Scientology erases history. Let's not let them succeed.