NPTEL
by IIT Madras / Government of India
IIT-led video lecture archive with subtitles across thousands of engineering courses.
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TL;DR
Best for engineering students worldwide using IIT/IISc-recorded lectures as study material. Pricing: free.
Category
Products
License
—
Stars
—
Last push
—
Pricing
free
Platforms
Web, Android
What it is
NPTEL is the National Programme on Technology Enhanced Learning, a joint initiative of IITs and IISc that publishes thousands of engineering-lecture videos with subtitles. Many courses are mirrored on YouTube with auto-translated captions.
Best for: Engineering students worldwide using IIT/IISc-recorded lectures as study material.
Watch out for: Caption coverage varies; older courses may lack subtitle tracks.
Watch out for: Caption coverage varies; older courses may lack subtitle tracks.
Features
| Speaker diarization | No |
| Word-level timestamps | No |
| Streaming / real-time | No |
| Languages supported | None |
| HIPAA eligible | No |
NPTEL vs Whipscribe
| Feature | NPTEL | Whipscribe |
|---|---|---|
| Category | Products | Transcription APIs |
| Pricing | Not verified | $4–$24 one-time packs (credits never expire) · $2 single unlock · 60 min free on signup |
| Speaker diarization | Not verified | Yes |
| Word timestamps | Not verified | Yes |
| Streaming | Not verified | No |
| Languages | — | 99 |
| Platforms | Web, Android | Web, API, MCP |
Alternatives to NPTEL
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