1. Zencastr: A web-based platform that offers free multitrack recording for up to 3 people, with up to 8 hours of recording per month.
2. Anchor: A free, all-in-one platform owned by Spotify that allows recording, editing, hosting, and distribution of podcasts.
3. Spreaker Studio: Offers a free plan with basic recording and live streaming capabilities, plus limited storage and analytics.
4. Podbean: While primarily a hosting platform, it also offers a free plan with basic recording and editing tools.
5. Soundtrap: Owned by Spotify, it offers a free plan with limited features for podcast creation and music production.
6. Cleanfeed: A browser-based platform for high-quality remote recording, with a free tier available.
7. Casted: Provides a free plan for podcast recording and basic editing, though with limited features compared to paid plans.
8. Riverside.fm: While primarily a paid service, they offer a free plan with limited features for recording video podcasts.
9. Squadcast: Offers a free plan for remote recording with some limitations on features and recording time.
10. Voicemeeter: A free audio mixer software that can be useful for podcast production, especially for managing multiple audio inputs.