Good: Rogue Individual Pull-up System: Pull-up bar suspended on straps that can be hung almost anywhere.
Better: P-3 Wall Mounted Pull-up Brackets: The bar can be mounted 14 or 22 inches from the wall. Multiple brackets can be used together for a longer bar.
Best: S-2 Squat Stand: Bulletproof squat stand with Westside hole pattern and included pull-up bar. No moving parts to wear out. Built for everything from squats, bench, pull-ups, overhead press and more. Add optional attachments for even more functionality.