NPTEL courses from IITs and IISc
IITs and IISc (via NPTEL)
FreeBrowse
Browse catalogue · intermediate · 4–12 weeks per course
Free to learn; certification exam is paid. Check current details on the provider’s site.
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Engineering
CAD drafter trainee
Prepares technical drawings.
How people get in
Manufacturers, design firms and construction.
First proof to build
Model and draw one real part with full dimensions.
National Classification of Occupations 2015, division 3: Technicians and associate professionals.
Learn what you’re missing
Free options first. Finishing a course keeps a skill self-reported; deliver a gig to prove it.
CAD / technical drawing
Onshape Learning Center: CAD
Onshape Learning Center
FreeBrowse
Browse catalogue · beginner · Varies
Free. Check current details on the provider’s site.
Quality checks
Search Coursera: lean six sigma courses
Coursera
Free to auditBrowse
Browse catalogue · beginner · Varies
Many free to audit; certificates are paid. Check current details on the provider’s site.
Excel / Google Sheets
Excel Skills for Business (Macquarie University)
Coursera
Free to audit
Self-paced · beginner · About 6 months part-time · certificate available
Free to audit; certificate is paid. Check current details on the provider’s site.
Google Data Analytics Professional Certificate
Paid
Certification · beginner · About 6 months at a few hours a week · certificate available
Paid subscription (financial aid available on Coursera). Check current details on the provider’s site.
3D printing and prototyping
Search Coursera: 3d printing courses
Coursera
Free to auditBrowse
Browse catalogue · beginner · Varies
Many free to audit; certificates are paid. Check current details on the provider’s site.