Best Free Data Exchange Platforms

Create new streams of revenue using the data you already collect with your own branded data shop. Narrative is focused on the fundamental principles that make buying and selling data easier, safer, and more strategic. Ensure that the data you access meets your standards, whatever they may be. Know exactly who you’re working with and how the data was collected. Easily access new supply and demand for a more agile and accessible data strategy. Own your data strategy entirely with end-to-end control of inputs and outputs. Our platform simplifies and automates the most time- and labor-intensive aspects of data acquisition, so you can access new data sources in days, not months. With filters, budget controls, and automatic deduplication, you’ll only ever pay for the data you need, and nothing that you don’t.

Dromo is a self-service data file importer that deploys in minutes, enabling users to onboard data from CSV, XLS, XLSX, and more. It offers an embeddable importer that guides users through validating, cleaning, and transforming data files, ensuring the final output meets quality standards and is in the expected format. Dromo's AI-powered column matching simplifies mapping imported data to your schema, and its powerful validations integrate seamlessly with your application. The platform operates securely with features like private mode, where data is processed entirely within the user's web browser, and allows direct writing of files from the browser to your cloud storage without intermediaries. Dromo is SOC 2 certified and GDPR-ready, emphasizing data privacy and security. It also provides customization options to match your brand's style and supports extensive language options.

Impler is an open source data import infrastructure designed to help engineering teams build rich data import experiences without constantly reinventing the wheel. It offers a guided data importer that navigates users through smooth data import steps, smart auto mappings that automatically align user file headings with specified columns to reduce errors, and robust validations to ensure each cell meets the defined schema and custom rules. The platform also provides validation hooks, allowing developers to write custom JavaScript code to validate data against databases, and an Excel template generator that creates tailored templates based on defined columns. Impler supports importing data with images, enabling users to upload images alongside data records, and offers an auto-import feature to fetch and import data automatically on a scheduled basis.

Create, edit and organize your data models. No need to get yet another data tool for your data models. Create and manage them in Weld. Packed with features that will make creating your data models a breeze: smart autocomplete, code folding, error highlighting, audit logs, version control and collaboration. Plus, we use the same text editor as VS Code – it's fast, powerful and easy on the eye. Your queries are organized in an easily searchable and accessible library. Audit logs also let you see when the query was last updated, and by who. Weld Model supports materializing models as tables, incremental tables, views, or a custom materialization of your design. Run all your data operations in one simple platform – with help from a dedicated team of data analysts.

CSVBox is a CSV importer tool designed for web applications, SaaS platforms, and APIs, enabling users to add a CSV import widget to their apps in just a few minutes. It provides a sophisticated upload experience, allowing users to select a spreadsheet file, map CSV column headers to a predefined data model with automatic column-matching recommendations, and validate data directly within the widget to ensure clean and error-free uploads. The platform supports multiple file types, including CSV, XLSX, and XLS, and offers features such as smart column matching, client-side data validation, and progress bar uploads to enhance user confidence during the upload process. CSVBox also provides no-code configuration, enabling users to define their data model and validation rules through a dashboard without modifying existing code. Additionally, it offers import links to accept files without embedding the widget, custom attributes.