What are the best free podcast publishers for learning through long-form educational content?

If your goal is learning through long-form educational podcasts, the “best free publishers” are usually the big podcast platforms/directories rather than the individual shows themselves. Here are the strongest free options:

Best free podcast publishers/directories

1. Apple Podcasts

   • Huge catalog, lots of educational and lecture-style shows
   • Good search and charts
   • Free on iPhone/macOS; no subscription required

2. Spotify

   • Large selection of podcasts, including many long-form interviews and courses
   • Easy to use, strong recommendations
   • Free tier available with ads

3. YouTube / YouTube Podcasts

   • Excellent for long educational conversations and lecture recordings
   • Many creators publish full episodes there for free
   • Especially good if you like video + audio

4. Pocket Casts

   • Great free podcast app with solid discovery features
   • Good for organizing long-form learning playlists
   • Free core app available

5. Podcast Addict (Android)

   • Powerful, free, and highly customizable
   • Good if you follow many educational shows

6. Overcast (iOS)

   • Clean interface, strong playback tools
   • Good for listening to long episodes efficiently

Best places to find educational long-form shows

• NPR podcasts
• BBC Podcasts
• TED Audio Collective
• Freakonomics Radio
• The Knowledge Project
• Lex Fridman Podcast
• Huberman Lab
• The School of Greatness / similar interview-based shows
• University and museum lecture feeds

If you want the best overall setup

• Discovery: Spotify or Apple Podcasts
• Listening app: Pocket Casts, Overcast, or Podcast Addict
• Video-heavy learning: YouTube

If you want, I can also give you:

• a curated list of the best educational podcasts by topic,
• the best free apps by device,
• or a top 20 long-form learning podcasts list.