• The Skeptic Guide to the Universe
• Talk Nerdy with Cara Santa Maria
• Behind the Bastards
• Talk Python to me and Python Bytes, about (you guessed it) the Python Language
• Geeks without God
• The Atheist Experience
• Grey 17, a Babylon 5 podcast

And in Spanish

• Venganzas del Pasado, an unofficial podcast of the radio show La venganza será terrible with Alejandro Dolina
• Hablando mal y pronto, a podcast about curiosities of language, mainly about Spanish