Reaper

Reaper is a cost-effective and highly customizable digital audio workstation (DAW) used by musicians, audio professionals and artists. Its key benefits include:

1. Affordability: Professional-grade features at a budget-friendly price.
2. Customizability: Tailor the software to your workflow with customizable shortcuts and themes.
3. Efficiency: Runs smoothly on a wide range of computer setups.
4. Multitrack Recording: Excellent for multitrack recording and editing.
5. Plugin Compatibility: Seamlessly integrates with third-party VST and AU plugins.
6. Cross-Platform: Available for both Windows and macOS.
7. Active Community: Access to a vibrant user community and support forums

A 60 day trail is available at https://www.reaper.fm/ or you can buy discounted license.
(although reaper is worth the license, users have reported the evaluation period to be infinite, so... just try..) 

Learn 

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free signup voor an e-book on podcast editing in reaper