G2 Vendor Directory

Castor EDC vs. OpenClinica

Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.

Castor EDC

New York, US

OpenClinica

Waltham, Massachusetts

MetricCastor EDCOpenClinica
Avg. rating4.64.2
Total reviews12624
Review growth (QoQ)——
Products on G211
Categories covered11
Best category rank#9 in Electronic Data Capture (EDC)#14 in Electronic Data Capture (EDC)
Small Business48.4%45.8%
Mid-Market15.9%29.2%
Enterprise35.7%25.0%