Independent Researcher or build a research profile with certificates

 If you mean free websites where you can get certificates as an Independent Researcher or build a research profile with certificates, here are useful options:

1. Cursa (Free Courses + Certificates)

   • Thousands of free courses

   • Free digital certificates with QR verification

   • Useful for research methods, statistics, writing, etc. (Cursa)

2. Sanfoundry Certifications

   • Free certification exams

   • Engineering, science, research-related subjects

   • Certificate of merit available (Sanfoundry)

3. CertifiedSkill.org

   • Free online exams and digital badges

   • Shareable certificates for skills and professional profiles (certifiedskill.org)

4. Dicertified

   • Skill assessments and QR-verifiable certificates

   • Covers AI, project management, data, research-related topics (dicertified.com)

5. Google Digital Garage

   • Research, digital literacy, data, productivity certificates

   • Widely recognized platform (Reddit)

6. Saylor Academy

   • Free university-level courses

   • Many courses include free certificates after completion (Reddit)

7. Alison

   • Research methods, academic writing, statistics

   • Free learning; certificate availability varies by course (Reddit)

8. Coursera Financial Aid / Audit Courses

   • Many research courses from universities

   • Certificates sometimes available via aid options (Reddit)

For an Independent Researcher profile, the most useful certificates are usually:

• Research Methodology

• Academic Writing

• Statistics / Data Analysis

• Research Ethics

• Literature Review

• SPSS / Excel / Data Science

• Publication & Citation Skills

Since you have an economics background and want recognition as an independent researcher, certificates in Research Methodology + Academic Writing + Data Analysis would likely add more value than random certificates.