1
CCC Data Base
atom.curtin.edu.au/CCC-WWW/index.htmlAlso covers datasets and open data · same kind of website
Search atomic target data in the CCC Data Base by element and explore its listed atomic records.
Alternatives
The Best ClinicalTrials.gov Alternatives in 2026
24 alternatives1 free · 0 open source
Looking for something like ClinicalTrials.gov? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan.
About ClinicalTrials.govclinicaltrials.gov
VisitSearch ClinicalTrials.gov study records or review data element definitions for submitting registration and results information.
Top picks at a glance
First suggestionCCC Data BaseSearch atomic target data in the CCC Data Base by element…Free or freemium optionForschungsdatenzentrum am IQBThe IQB Research Data Centre supports use and provision of…Another optionEELS Data BaseEELS DB collects electron energy loss spectroscopy and…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | CCC Data Base | — | Not stated | Web |
| 2 | EELS Data Base | — | Not stated | Web |
| 3 | MultiDark Database | — | Not stated | Web |
| 4 | IndiaVotes | — | Not stated | Web |
| 5 | ESS-DIVE | — | Not stated | Web |
| 6 | Qualiservice | — | Not stated | Web |
| 7 | OPEN-ADAS | — | Not stated | Web |
| 8 | LAPaL | — | Not stated | Web |
| 9 | RIUMA | — | Not stated | Web |
| 10 | Forschungsdatenzentrum am IQB | Free | Not stated | Web |
All ClinicalTrials.gov alternatives
2
EELS Data Base
eelsdb.euAlso covers datasets and open data · same kind of website
EELS DB collects electron energy loss spectroscopy and X-ray spectra, with records covering 43 elements.
3
MultiDark Database
multidark.orgAlso covers datasets and open data · same kind of website
The MultiDark Database provides results from cosmological simulations and lets users query its records with SQL.
4
IndiaVotes
indiavotes.comAlso covers datasets and open data · same kind of website
IndiaVotes provides searchable, comparable election results, with Lok Sabha records from 1952 and Vidhan Sabha results from 1977 onward.
5
ESS-DIVE
ess-dive.lbl.govAlso covers datasets and open data · same kind of website
ESS-DIVE supports searching and submitting environmental systems science data, with guidance and news about its research data infrastructure.
6
Qualiservice
qualiservice.org/enAlso covers datasets and open data · same kind of website
Qualiservice supports finding, using, submitting, and organizing reusable qualitative social science research data.
7
OPEN-ADAS
open.adas.ac.ukAlso covers datasets and open data · same kind of website
OPEN-ADAS lets users search atomic data by element, ion, wavelength, or other parameters.
8
LAPaL
lapal.chAlso covers datasets and open data · same kind of website
LAPaL catalogs long-acting therapeutics, including technologies, compounds, formulations, patents, and national registrations.
9
RIUMA
riuma.uma.esAlso covers datasets and open data · same kind of website
RIUMA is the University of Málaga repository, with review of metadata and files before submitted works are approved.
10
Also covers datasets and open data · same kind of website · free
The IQB Research Data Centre supports use and provision of research data, including free access to national school performance study data.
11
Solar Dynamics Observatory
sdo.gsfc.nasa.govAlso covers datasets and open data · same kind of website
NASA’s Solar Dynamics Observatory provides solar imagery and data from instruments studying the Sun’s atmosphere.
12
CosmoSim
cosmosim.orgAlso covers datasets and open data · same kind of website
CosmoSim provides results from cosmological simulations, including MultiDark and Bolshoi projects and galaxy catalog data.
13
Nationales Bildungspanel
neps-data.de/MainpageAlso covers datasets and open data · same kind of website
The National Educational Panel Study provides data and documentation for cohorts ranging from newborns to adults.
14
Freshwater Research and Environmental Database
fred.igb-berlin.deAlso covers datasets and open data · same kind of website
FRED is a freshwater research and environmental database with search and map views for study sites, samples, parameters, and species groups.
15
International Aid Transparency Initiative
iatistandard.org/enAlso covers datasets and open data · same kind of website
The International Aid Transparency Initiative provides tools to explore aid data about development and humanitarian resources and their results.
16
CESM Experiments
cesm.ucar.edu/experimentsAlso covers datasets and open data · same kind of website
Browse Community Earth System Model experiments and their resulting output data.
17
OpenAid.se
openaid.seAlso covers datasets and open data · same kind of website
Openaid visualizes Swedish international aid data, including payments, recipients, purposes, and reported results.
18
Digital repository of Slovenian research organizations
dirros.openscience.si/info/index.php/engAlso covers datasets and open data · same kind of website
DiRROS is a repository for theses, publications, research data, and other results from Slovenian research organizations.
19
Motus Wildlife Tracking System
motus.orgAlso covers datasets and open data · same kind of website
Motus is a collaborative research network that uses automated radio telemetry to study the movement of birds, bats, and insects.
20
Dataset Download
ego-exo4d-data.orgAlso covers datasets and open data · same kind of website
Ego-Exo4D is a multimodal video dataset and benchmark for studying skilled everyday activities from first and third person views.
21
Virgo Millennium Database
galaxy-catalogue.dur.ac.uk:8080/MillenniumAlso covers datasets and open data · same kind of website
The Virgo Millennium Database provides query access to simulation data, with streaming CSV queries and browser result limits.
22
BioSimulations
biosimulations.orgAlso covers datasets and open data · same kind of website
Share dynamical models of biological systems and visualize simulation results with the BioSimulations web application.
23
Public data for all Seoul citizens
data.seoul.go.krAlso covers datasets and open data · same kind of website
Seoul's open data portal provides access to municipal datasets and information on searching, using, and requesting public records.
24
Government Open Data Portal Moldova
dataset.gov.mdAlso covers datasets and open data · same kind of website
Moldova's open data portal supports searching datasets and lists records from government organizations across topics such as health and institutions.
No alternatives match this filter.
Alternatives to similar tools
CosmoSim24 alternativesESS-DIVE24 alternativesForschungsdatenzentrum am IQB24 alternativesPublic data for all Seoul citizens24 alternativesCCC Data Base24 alternativesEELS Data Base24 alternatives
What is the best alternative to ClinicalTrials.gov?
Based on features, tags and platforms, the closest alternatives to ClinicalTrials.gov are CCC Data Base, EELS Data Base, and MultiDark Database.
Is there a free alternative to ClinicalTrials.gov?
Yes. Forschungsdatenzentrum am IQB is free or offer a free plan.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative