# Top 10 Castor Alternatives & Competitors **Average Rating:** 4.6/5 **Total Number of Reviews:** 126 Explore the best alternatives to Castor for users who need new software features or want to try different solutions. Electronic Data Capture (EDC) Software is a widely used technology, and many people are seeking top rated, productive software solutions with randomization - electronic data capture (edc) and compliance - electronic data capture (edc). Other important factors to consider when researching alternatives to Castor include ease of use and reliability. The best overall Castor alternative is REDCap. Other similar apps like Castor are Medrio EDC, OpenClinica, Medidata Rave, and Viedoc. Castor alternatives can be found in [Electronic Data Capture (EDC) Software](https://www.g2.com/categories/electronic-data-capture-edc) but may also be in [Electronic Trial Master File (eTMF) Software](https://www.g2.com/categories/electronic-trial-master-file-etmf) or [Clinical Trial Management Systems](https://www.g2.com/categories/clinical-trial-management-systems). ## Best Paid & Free Alternatives to Castor - [REDCap](https://www.g2.com/products/redcap/reviews) - [Medrio EDC](https://www.g2.com/products/medrio-edc/reviews) - [OpenClinica](https://www.g2.com/products/openclinica/reviews) - [Medidata Rave](https://www.g2.com/products/medidata-rave/reviews) - [Viedoc](https://www.g2.com/products/viedoc/reviews) - [Clinical Research Suite](https://www.g2.com/products/clinical-research-suite/reviews) - [Oracle Clinical](https://www.g2.com/products/oracle-clinical/reviews) - [Greenlight Guru Clinical](https://www.g2.com/products/greenlight-guru-clinical/reviews) - [TrialKit](https://www.g2.com/products/trialkit/reviews) - [cubeCDMS](https://www.g2.com/products/cubecdms/reviews) ## Top 10 Alternatives to Castor Recently Reviewed By G2 Community Browse options below. Based on reviewer data, you can see how Castor stacks up to the competition, check reviews from current & previous users in industries like Hospital & Health Care, Health, Wellness and Fitness, and Veterinary, and find the best product for your business. ### 1. [REDCap](https://www.g2.com/products/redcap/reviews) By REDCap **Average Rating:** 4.3/5 **Total Reviews:** 221 REDCap (Research Electronic Data Capture) is a secure web application for building and managing online surveys and databases. Categories in common with Castor: [Electronic Data Capture (EDC)](https://www.g2.com/categories/electronic-data-capture-edc) **Compare:** [Castor vs REDCap](https://www.g2.com/compare/castor-edc-castor-vs-redcap) **Compare REDCap with other alternatives:** - [REDCap vs Medrio EDC](https://www.g2.com/compare/medrio-edc-vs-redcap) - [REDCap vs OpenClinica](https://www.g2.com/compare/openclinica-vs-redcap) - [REDCap vs Medidata Rave](https://www.g2.com/compare/medidata-rave-vs-redcap) - [REDCap vs Viedoc](https://www.g2.com/compare/redcap-vs-viedoc) - [REDCap vs Clinical Research Suite](https://www.g2.com/compare/clinical-research-suite-vs-redcap) - [REDCap vs Oracle Clinical](https://www.g2.com/compare/oracle-clinical-vs-redcap) - [REDCap vs Greenlight Guru Clinical](https://www.g2.com/compare/greenlight-guru-clinical-vs-redcap) - [REDCap vs TrialKit](https://www.g2.com/compare/redcap-vs-trialkit) - [REDCap vs cubeCDMS](https://www.g2.com/compare/redcap-vs-cubecdms) ### 2. [Medrio EDC](https://www.g2.com/products/medrio-edc/reviews) By Medrio **Average Rating:** 4.3/5 **Total Reviews:** 216 Medrio offers an integrated eClinical Software as a Service (SaaS) platform with a fully hosted Electronic Data Capture (EDC) system that drastically reduces study timelines and costs by putting study managers in control of their studies. Reviewers say compared to Castor, Medrio EDC is: - More expensive Categories in common with Castor: [Electronic Data Capture (EDC)](https://www.g2.com/categories/electronic-data-capture-edc) **Compare:** [Castor vs Medrio EDC](https://www.g2.com/compare/castor-edc-castor-vs-medrio-edc) **Compare Medrio EDC with other alternatives:** - [Medrio EDC vs REDCap](https://www.g2.com/compare/medrio-edc-vs-redcap) - [Medrio EDC vs OpenClinica](https://www.g2.com/compare/medrio-edc-vs-openclinica) - [Medrio EDC vs Medidata Rave](https://www.g2.com/compare/medidata-rave-vs-medrio-edc) - [Medrio EDC vs Viedoc](https://www.g2.com/compare/medrio-edc-vs-viedoc) - [Medrio EDC vs Clinical Research Suite](https://www.g2.com/compare/clinical-research-suite-vs-medrio-edc) - [Medrio EDC vs Oracle Clinical](https://www.g2.com/compare/medrio-edc-vs-oracle-clinical) - [Medrio EDC vs Greenlight Guru Clinical](https://www.g2.com/compare/greenlight-guru-clinical-vs-medrio-edc) - [Medrio EDC vs TrialKit](https://www.g2.com/compare/medrio-edc-vs-trialkit) - [Medrio EDC vs cubeCDMS](https://www.g2.com/compare/medrio-edc-vs-cubecdms) ### 3. [OpenClinica](https://www.g2.com/products/openclinica/reviews) By OpenClinica **Average Rating:** 4.2/5 **Total Reviews:** 24 The OpenClinica Enterprise Edition is an enhanced, fully-supported build that is ideal for mission-critical settings. Categories in common with Castor: [Electronic Data Capture (EDC)](https://www.g2.com/categories/electronic-data-capture-edc) **Compare:** [Castor vs OpenClinica](https://www.g2.com/compare/castor-edc-castor-vs-openclinica) **Compare OpenClinica with other alternatives:** - [OpenClinica vs REDCap](https://www.g2.com/compare/openclinica-vs-redcap) - [OpenClinica vs Medrio EDC](https://www.g2.com/compare/medrio-edc-vs-openclinica) - [OpenClinica vs Medidata Rave](https://www.g2.com/compare/medidata-rave-vs-openclinica) - [OpenClinica vs Viedoc](https://www.g2.com/compare/openclinica-vs-viedoc) - [OpenClinica vs Clinical Research Suite](https://www.g2.com/compare/clinical-research-suite-vs-openclinica) - [OpenClinica vs Oracle Clinical](https://www.g2.com/compare/openclinica-vs-oracle-clinical) - [OpenClinica vs Greenlight Guru Clinical](https://www.g2.com/compare/greenlight-guru-clinical-vs-openclinica) - [OpenClinica vs TrialKit](https://www.g2.com/compare/openclinica-vs-trialkit) - [OpenClinica vs cubeCDMS](https://www.g2.com/compare/openclinica-vs-cubecdms) ### 4. [Medidata Rave](https://www.g2.com/products/medidata-rave/reviews) By Medidata **Average Rating:** 4.7/5 **Total Reviews:** 27 Medidata Rave is a cloud–based clinical data management system used to electronically capture, manage, and report clinical research data. It enables the user to record patient information (ie, visit, lab, and adverse event data) using forms that are customized for each study. Reviewers say compared to Castor, Medidata Rave is: - More usable - Better at meeting requirements Categories in common with Castor: [Electronic Data Capture (EDC)](https://www.g2.com/categories/electronic-data-capture-edc) **Compare:** [Castor vs Medidata Rave](https://www.g2.com/compare/castor-edc-castor-vs-medidata-rave) **Compare Medidata Rave with other alternatives:** - [Medidata Rave vs REDCap](https://www.g2.com/compare/medidata-rave-vs-redcap) - [Medidata Rave vs Medrio EDC](https://www.g2.com/compare/medidata-rave-vs-medrio-edc) - [Medidata Rave vs OpenClinica](https://www.g2.com/compare/medidata-rave-vs-openclinica) - [Medidata Rave vs Viedoc](https://www.g2.com/compare/medidata-rave-vs-viedoc) - [Medidata Rave vs Clinical Research Suite](https://www.g2.com/compare/clinical-research-suite-vs-medidata-rave) - [Medidata Rave vs Oracle Clinical](https://www.g2.com/compare/medidata-rave-vs-oracle-clinical) - [Medidata Rave vs Greenlight Guru Clinical](https://www.g2.com/compare/greenlight-guru-clinical-vs-medidata-rave) - [Medidata Rave vs TrialKit](https://www.g2.com/compare/medidata-rave-vs-trialkit) - [Medidata Rave vs cubeCDMS](https://www.g2.com/compare/medidata-rave-vs-cubecdms) ### 5. [Viedoc](https://www.g2.com/products/viedoc/reviews) By Viedoc Technologies **Average Rating:** 4.5/5 **Total Reviews:** 274 Viedoc is a modern and future-proof EDC that allows clinical trial sponsors and study sites to easily and securely collect, validate, transmit and analyze clinical study data. Designed to be as intuitive as possible, Viedoc saves time and frustration from users at every level, allowing clinical trial organizations to have more focus on their own innovation and leadership. Reviewers say compared to Castor, Viedoc is: - Easier to set up - More expensive - Easier to do business with Categories in common with Castor: [Electronic Data Capture (EDC)](https://www.g2.com/categories/electronic-data-capture-edc) **Compare:** [Castor vs Viedoc](https://www.g2.com/compare/castor-edc-castor-vs-viedoc) **Compare Viedoc with other alternatives:** - [Viedoc vs REDCap](https://www.g2.com/compare/redcap-vs-viedoc) - [Viedoc vs Medrio EDC](https://www.g2.com/compare/medrio-edc-vs-viedoc) - [Viedoc vs OpenClinica](https://www.g2.com/compare/openclinica-vs-viedoc) - [Viedoc vs Medidata Rave](https://www.g2.com/compare/medidata-rave-vs-viedoc) - [Viedoc vs Clinical Research Suite](https://www.g2.com/compare/clinical-research-suite-vs-viedoc) - [Viedoc vs Oracle Clinical](https://www.g2.com/compare/oracle-clinical-vs-viedoc) - [Viedoc vs Greenlight Guru Clinical](https://www.g2.com/compare/greenlight-guru-clinical-vs-viedoc) - [Viedoc vs TrialKit](https://www.g2.com/compare/trialkit-vs-viedoc) - [Viedoc vs cubeCDMS](https://www.g2.com/compare/viedoc-vs-cubecdms) ### 6. [Clinical Research Suite](https://www.g2.com/products/clinical-research-suite/reviews) By ResearchManager **Average Rating:** 3.8/5 **Total Reviews:** 205 Research Manager supports researchers and organisations in preparing, executing and administering (clinical) research data. Our expertise is the collection, validation and enrichment of data. With Research Manager, we offer a research platform that allows researchers to have all functionalities and information in one place and to share it with each other. The platform facilitates researchers who want to be prepared for a future where the patient, access to data, and sharing data are key. Categories in common with Castor: [Electronic Data Capture (EDC)](https://www.g2.com/categories/electronic-data-capture-edc) **Compare:** [Castor vs Clinical Research Suite](https://www.g2.com/compare/castor-edc-castor-vs-clinical-research-suite) **Compare Clinical Research Suite with other alternatives:** - [Clinical Research Suite vs REDCap](https://www.g2.com/compare/clinical-research-suite-vs-redcap) - [Clinical Research Suite vs Medrio EDC](https://www.g2.com/compare/clinical-research-suite-vs-medrio-edc) - [Clinical Research Suite vs OpenClinica](https://www.g2.com/compare/clinical-research-suite-vs-openclinica) - [Clinical Research Suite vs Medidata Rave](https://www.g2.com/compare/clinical-research-suite-vs-medidata-rave) - [Clinical Research Suite vs Viedoc](https://www.g2.com/compare/clinical-research-suite-vs-viedoc) - [Clinical Research Suite vs Oracle Clinical](https://www.g2.com/compare/clinical-research-suite-vs-oracle-clinical) - [Clinical Research Suite vs Greenlight Guru Clinical](https://www.g2.com/compare/clinical-research-suite-vs-greenlight-guru-clinical) - [Clinical Research Suite vs TrialKit](https://www.g2.com/compare/clinical-research-suite-vs-trialkit) - [Clinical Research Suite vs cubeCDMS](https://www.g2.com/compare/clinical-research-suite-vs-cubecdms) ### 7. [Oracle Clinical](https://www.g2.com/products/oracle-clinical/reviews) By Oracle **Average Rating:** 4.1/5 **Total Reviews:** 29 Oracle Remote Data Capture provides a single application and infrastructure for electronic data capture and clinical data management. Reviewers say compared to Castor, Oracle Clinical is: - More expensive Categories in common with Castor: [Electronic Data Capture (EDC)](https://www.g2.com/categories/electronic-data-capture-edc) **Compare:** [Castor vs Oracle Clinical](https://www.g2.com/compare/castor-edc-castor-vs-oracle-clinical) **Compare Oracle Clinical with other alternatives:** - [Oracle Clinical vs REDCap](https://www.g2.com/compare/oracle-clinical-vs-redcap) - [Oracle Clinical vs Medrio EDC](https://www.g2.com/compare/medrio-edc-vs-oracle-clinical) - [Oracle Clinical vs OpenClinica](https://www.g2.com/compare/openclinica-vs-oracle-clinical) - [Oracle Clinical vs Medidata Rave](https://www.g2.com/compare/medidata-rave-vs-oracle-clinical) - [Oracle Clinical vs Viedoc](https://www.g2.com/compare/oracle-clinical-vs-viedoc) - [Oracle Clinical vs Clinical Research Suite](https://www.g2.com/compare/clinical-research-suite-vs-oracle-clinical) - [Oracle Clinical vs Greenlight Guru Clinical](https://www.g2.com/compare/greenlight-guru-clinical-vs-oracle-clinical) - [Oracle Clinical vs TrialKit](https://www.g2.com/compare/oracle-clinical-vs-trialkit) - [Oracle Clinical vs cubeCDMS](https://www.g2.com/compare/oracle-clinical-vs-cubecdms) ### 8. [Greenlight Guru Clinical](https://www.g2.com/products/greenlight-guru-clinical/reviews) By Greenlight Guru **Average Rating:** 4.3/5 **Total Reviews:** 116 State-of-the-art data collection, storage and productivity tool for organisations that need to generate and manage clinical evidence. Reviewers say compared to Castor, Greenlight Guru Clinical is: - More expensive - Better at support Categories in common with Castor: [Electronic Data Capture (EDC)](https://www.g2.com/categories/electronic-data-capture-edc) **Compare:** [Castor vs Greenlight Guru Clinical](https://www.g2.com/compare/castor-edc-castor-vs-greenlight-guru-clinical) **Compare Greenlight Guru Clinical with other alternatives:** - [Greenlight Guru Clinical vs REDCap](https://www.g2.com/compare/greenlight-guru-clinical-vs-redcap) - [Greenlight Guru Clinical vs Medrio EDC](https://www.g2.com/compare/greenlight-guru-clinical-vs-medrio-edc) - [Greenlight Guru Clinical vs OpenClinica](https://www.g2.com/compare/greenlight-guru-clinical-vs-openclinica) - [Greenlight Guru Clinical vs Medidata Rave](https://www.g2.com/compare/greenlight-guru-clinical-vs-medidata-rave) - [Greenlight Guru Clinical vs Viedoc](https://www.g2.com/compare/greenlight-guru-clinical-vs-viedoc) - [Greenlight Guru Clinical vs Clinical Research Suite](https://www.g2.com/compare/clinical-research-suite-vs-greenlight-guru-clinical) - [Greenlight Guru Clinical vs Oracle Clinical](https://www.g2.com/compare/greenlight-guru-clinical-vs-oracle-clinical) - [Greenlight Guru Clinical vs TrialKit](https://www.g2.com/compare/greenlight-guru-clinical-vs-trialkit) - [Greenlight Guru Clinical vs cubeCDMS](https://www.g2.com/compare/greenlight-guru-clinical-vs-cubecdms) ### 9. [TrialKit](https://www.g2.com/products/trialkit/reviews) By Crucial Data Solutions **Average Rating:** 4.6/5 **Total Reviews:** 26 Designed as an end-to-end, cloud-based solution, TrialKit applies the latest in technology to enable interchangeable use of browser-based and mobile app platforms—reflecting all changes from all sources in the database in real-time. Reviewers say compared to Castor, TrialKit is: - More expensive - Better at support Categories in common with Castor: [Electronic Data Capture (EDC)](https://www.g2.com/categories/electronic-data-capture-edc) **Compare:** [Castor vs TrialKit](https://www.g2.com/compare/castor-edc-castor-vs-trialkit) **Compare TrialKit with other alternatives:** - [TrialKit vs REDCap](https://www.g2.com/compare/redcap-vs-trialkit) - [TrialKit vs Medrio EDC](https://www.g2.com/compare/medrio-edc-vs-trialkit) - [TrialKit vs OpenClinica](https://www.g2.com/compare/openclinica-vs-trialkit) - [TrialKit vs Medidata Rave](https://www.g2.com/compare/medidata-rave-vs-trialkit) - [TrialKit vs Viedoc](https://www.g2.com/compare/trialkit-vs-viedoc) - [TrialKit vs Clinical Research Suite](https://www.g2.com/compare/clinical-research-suite-vs-trialkit) - [TrialKit vs Oracle Clinical](https://www.g2.com/compare/oracle-clinical-vs-trialkit) - [TrialKit vs Greenlight Guru Clinical](https://www.g2.com/compare/greenlight-guru-clinical-vs-trialkit) - [TrialKit vs cubeCDMS](https://www.g2.com/compare/trialkit-vs-cubecdms) ### 10. [cubeCDMS](https://www.g2.com/products/cubecdms/reviews) By CRScube **Average Rating:** 4.7/5 **Total Reviews:** 184 cubeCDMS is the cornerstone of CRScube's unified eClinical platform. Featuring an intuitive user interface and a configurable eCRF builder, cubeCDMS increases the trial team's efficiency during both start-up and study execution. cubeCDMS is a cost-efficient solution, aiming to reduce the overall cost of running clinical trials. Reviewers say compared to Castor, cubeCDMS is: - More expensive - Easier to set up - Better at support Categories in common with Castor: [Electronic Data Capture (EDC)](https://www.g2.com/categories/electronic-data-capture-edc) **Compare:** [Castor vs cubeCDMS](https://www.g2.com/compare/castor-edc-castor-vs-cubecdms) **Compare cubeCDMS with other alternatives:** - [cubeCDMS vs REDCap](https://www.g2.com/compare/redcap-vs-cubecdms) - [cubeCDMS vs Medrio EDC](https://www.g2.com/compare/medrio-edc-vs-cubecdms) - [cubeCDMS vs OpenClinica](https://www.g2.com/compare/openclinica-vs-cubecdms) - [cubeCDMS vs Medidata Rave](https://www.g2.com/compare/medidata-rave-vs-cubecdms) - [cubeCDMS vs Viedoc](https://www.g2.com/compare/viedoc-vs-cubecdms) - [cubeCDMS vs Clinical Research Suite](https://www.g2.com/compare/clinical-research-suite-vs-cubecdms) - [cubeCDMS vs Oracle Clinical](https://www.g2.com/compare/oracle-clinical-vs-cubecdms) - [cubeCDMS vs Greenlight Guru Clinical](https://www.g2.com/compare/greenlight-guru-clinical-vs-cubecdms) - [cubeCDMS vs TrialKit](https://www.g2.com/compare/trialkit-vs-cubecdms) --- ## Castor Alternatives FAQs ### Which Electronic Data Capture (EDC) tools do reviewers recommend instead of Castor? Reviewers recommend alternatives such as [REDCap](https://www.g2.com/products/redcap/reviews) for its user-friendly interface, strong data management, and customization capabilities. [Medrio EDC](https://www.g2.com/products/medrio-edc/reviews) is praised for its intuitive design, fast study setup, and excellent customer support. [Viedoc](https://www.g2.com/products/viedoc/reviews) is favored for its modern, intuitive UI, streamlined workflows, and responsive support. [Medidata Rave](https://www.g2.com/products/medidata-rave/reviews) is noted for its comprehensive features and ease of integration. [TrialKit](https://www.g2.com/products/trialkit/reviews) stands out for its fully mobile-native platform and extensive integrated tools, while [cubeCDMS](https://www.g2.com/products/cubecdms/reviews) is recognized for its intuitive interface, configurability, and efficient data management. These tools are recommended for their usability, support quality, and ability to meet complex clinical trial needs. ### How does Castor compare to REDCap? According to G2 data, [Castor](https://www.g2.com/products/castor-edc-castor/reviews) outperforms [REDCap](https://www.g2.com/products/redcap/reviews) across all key reviewer-rated dimensions. Castor scores 9.1 in meeting requirements compared to REDCap's 8.8, a 0.3-point lead. It is more usable with a 9.3 score versus REDCap's 8.0, a significant 1.3-point advantage. Castor is easier to set up (8.8 vs 7.4, +1.4), easier to administer (9.3 vs 8.6, +0.7), provides better support (9.2 vs 8.2, +1.0), and is easier to do business with (9.3 vs 8.6, +0.7). Castor has 5 mentions of ease of use and 3 mentions of navigation ease, highlighting its user-friendly interface. Users praise Castor's clear organization, efficient data management, and intuitive design. REDCap users note its feature richness and data management capabilities. Castor reviews emphasize its intuitive interface, real-time data validation, and automated notifications, whereas REDCap reviews mention a steeper learning curve and less intuitive layout. Overall, Castor offers a more streamlined, user-friendly experience with stronger support and administration capabilities, backed by a 4.6-star average rating from 126 reviews compared to REDCap's 4.3-star average from 221 reviews. ### Why do users choose REDCap over Castor? Users choose [REDCap](https://www.g2.com/products/redcap/reviews) primarily for its extensive feature set and robust data management capabilities. REDCap supports multiple simultaneous users with role-based access, enabling efficient collaboration in clinical studies. It integrates with the latest statistical software such as SAS, facilitating advanced data analysis. REDCap is recognized for its reliability, security, and ability to handle complex data-related tasks, making it suitable for diverse research needs. REDCap's flexibility and comprehensive functionality attract users who require a versatile platform for managing multifaceted studies. Additionally, REDCap's cost-effectiveness is a factor for some users, as indicated by switching reasons related to budget considerations. ### What are the best alternatives to Castor? The best alternatives to Castor based on G2 user reviews and ratings include [REDCap](https://www.g2.com/products/redcap/reviews) (4.3/5 stars, 221 reviews), [Medrio EDC](https://www.g2.com/products/medrio-edc/reviews) (4.3/5 stars, 206 reviews), [Viedoc](https://www.g2.com/products/viedoc/reviews) (4.5/5 stars, 273 reviews), [Medidata Rave](https://www.g2.com/products/medidata-rave/reviews) (4.7/5 stars, 27 reviews), [TrialKit](https://www.g2.com/products/trialkit/reviews) (4.6/5 stars, 26 reviews), and [cubeCDMS](https://www.g2.com/products/cubecdms/reviews) (4.7/5 stars, 150 reviews). 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