Course suggestions
Include the official link, institution, language and credential detail if published.
Certumo
Contact
You can write to suggest free courses, report a changed source or flag an editorial issue. We review proposals based on usefulness, clarity and official sourcing.
Corrections
If an institution changed conditions, send the exact URL so the page can be reviewed.
Transparency
We do not publish promises about certificates or benefits that are not backed by reliable sources.