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Cold Turkey Blocker Review
A general productivity tool that can be configured as a strict barrier.
Overview
While not explicitly designed for gambling, Cold Turkey Blocker is highly regarded for its severe locking mechanisms. Users must manually create blocklists (or import them), but once a block is locked, the software goes to extreme lengths to prevent circumvention, including blocking the uninstaller.
It is an excellent choice for users who want to manage overall digital distractions alongside specific problematic sites on desktop environments.