🌍 1. FindAPhD.com

Focus: Comprehensive listings of PhD programs and funded research projects, primarily in the UK and Europe, but with global reach.
Highlights: Advanced filters (funding type, discipline, location), student advice articles, email alerts.
Why use it: Arguably the most established platform for structured and fully funded PhD listings.

🌐 2. PhDportal.com

Focus: Global database of PhD programs across disciplines, powered by Studyportals.
Highlights: Filters by country, tuition fees, duration, and university ranking.
Why use it: Great for comparing structured PhD programs across countries, especially useful for international applicants.

🔎 3. PhDScanner.com
Focus: Aggregator of PhD opportunities worldwide from institutional and job listing websites.
Highlights: Clean, intuitive interface, keyword-based search, curated funding opportunities.
Why use it: Ideal for quickly scanning opportunities from multiple sources in one place.