Just listing those I collected and viewed as useful potentially:

https://excalidraw.com to draw anything

https://elevenlabs.io/docs/voicelab/professional-voice-cloning#voice-creation to clone voice

https://docs.d-id.com to create video with image avatar, see the demo by the CEO

https://vapi.ai/ can use open-sourced groq to do AI cold call

replicate to do AI low-latency conversation with simultaneous translation and inference, demo by AI Jason