Best Free Data Preparation Software

dbt brings rigor and scalability to data preparation by enabling teams to clean, transform, and structure raw data directly in the warehouse. Instead of siloed spreadsheets or manual workflows, dbt uses SQL and software engineering best practices to make data preparation reliable, repeatable, and collaborative. With dbt, teams can: - Clean and standardize data with reusable, version-controlled models. - Apply business logic consistently across all datasets. - Validate outputs through automated tests before data is exposed to analysts. - Document and share context so every prepared dataset comes with lineage and definitions. By treating data preparation as code, dbt ensures that prepared datasets aren’t just quick fixes — they’re trusted, governed, and production-ready assets that scale with the business.

BigQuery provides a comprehensive suite of data preparation tools that help organizations clean, transform, and structure their data for analysis. With built-in SQL functions and compatibility with various ETL tools, BigQuery makes it easy to manipulate raw data and prepare it for complex queries. The platform also supports data partitioning and clustering, enhancing query performance during the data preparation phase. By automating many of the repetitive tasks, BigQuery helps streamline the data prep process, allowing teams to spend more time on analysis. New users can leverage the $300 in free credits to explore BigQuery’s data preparation tools and improve their data readiness for analytics.

Visokio builds Omniscope Evo, complete and extensible BI software for data processing, analytics and reporting. A smart experience on any device. Start from any data in any shape, load, edit, blend, transform while visually exploring it, extract insights through ML algorithms, automate your data workflows, and publish interactive reports and dashboards to share your findings. Omniscope is not only an all-in-one BI tool with a responsive UX on all modern devices, but also a powerful and extensible platform: you can augment data workflows with Python / R scripts and enhance reports with any JS visualisation. Whether you’re a data manager, scientist or analyst, Omniscope is your complete solution: from data, through analytics to visualisation.

A powerful iPaaS platform for integration and business process automation. Linx is a powerful platform for building custom integrations at scale. The platform provides enterprise-grade capability and unparalleled flexibility to cater to a wide range of integration use cases for today’s growing businesses, including application integration, data synchronization, data migration, automations, and rapid API development and management. Linx is a low-code, desktop-based iPaaS that enables organizations to connect their cloud and on-premise applications, data sources.

Dataiku is an advanced data science and machine learning platform designed to enable teams to build, deploy, and manage AI and analytics projects at scale. It empowers users, from data scientists to business analysts, to collaboratively create data pipelines, develop machine learning models, and prepare data using both visual and coding interfaces. Dataiku supports the entire AI lifecycle, offering tools for data preparation, model training, deployment, and monitoring. The platform also includes integrations for advanced capabilities like generative AI, helping organizations innovate and deploy AI solutions across industries.

Telegraf is the open source server agent to help you collect metrics from your stacks, sensors and systems. Telegraf is a plugin-driven server agent for collecting and sending metrics and events from databases, systems, and IoT sensors. Telegraf is written in Go and compiles into a single binary with no external dependencies, and requires a very minimal memory footprint. Telegraf can collect metrics from a wide array of inputs and write them into a wide array of outputs. It is plugin-driven for both collection and output of data so it is easily extendable. It is written in Go, which means that it is a compiled and standalone binary that can be executed on any system with no need for external dependencies, no npm, pip, gem, or other package management tools required. With 300+ plugins already written by subject matter experts on the data in the community, it is easy to start collecting metrics from your end-points.

Oracle Analytics is a complete platform for every analytics user role. AI and ML are embedded throughout the platform to accelerate productivity and power better business decisions. Choose either Oracle Analytics Cloud, our cloud native service, or our on-premises solution, Oracle Analytics Server, both of which help you avoid compromising security and governance. Oracle Analytic addresses all needs of business users from data to decision. Oracle Analytics can help you solve your business problems with built in data preparation and enrichment, no-code machine learning and industry leading data visualization.

Zoho DataPrep (Best ETL tool in 2025) is an AI-powered, advanced self-service data preparation software that helps organisations prepare large volumes of data. As a no-code ETL platform, it eliminates the need for complex coding, making data preparation accessible to users of all backgrounds. A standout feature is the ability to create entire ETL pipelines using Ask Zia; simply describe your data preparation needs in plain English, and our conversational AI will build the pipeline for you. Data can be imported from over 80 sources, and DataPrep can automatically identify errors, discover data patterns, and transform and enrich data without requiring coding. You can also set up automated export schedules to your preferred data destination. DataPrep also helps catalogue data and set up ETL pipelines to sync the prepared data to Zoho Analytics and data warehouses, among many other destinations.

Many people use Excel, or VBA/Python scripts, or SQL queries for data preparation because they are not aware of better alternatives. EasyMorph is a purpose-built application with more than 150 built-in actions for fast and visual data transformation and automation without coding. With EasyMorph, you can walk away from obscure scripts and cumbersome spreadsheets, and bring your productivity to a whole new level. Retrieve data from databases, spreadsheets, emails and email attachments, text files, remote folders, corporate and cloud applications (e.g. SharePoint), and web (REST) APIs without programming. Use visual queries and tools to filter and extract exactly the data you need without asking the IT guys. Automate your routine operations with files, spreadsheets, websites and emails without writing a single line of code. Replace tedious repetitive tasks with a single button click.

Powered by the bippLang data modeling language, bipp’s cloud BI platform was designed for SQL and data analysts from day one. It saves you and your teams' time so your businesses can make better-informed, faster decisions. bippLang data modeling language streamlines SQL queries by creating reusable complex data models with custom columns and dynamic sub-querying. Git-based version control means analysts can collaborate; all data models and SQL queries are automatically backed up. Always-free version gives you access to a powerful BI platform with professional support at no cost. In-database analytics means there’s no need to copy the data into a different system, speeding up access and producing real-time results. Auto-SQL generator leverages joins defined in the data model, figures out which tables to join and generates dynamic sub-queries based on context. Single source of truth data models ensure everyone in the organization bases business decisions on the same data.

No-code data cleaning, preparing, and ML platform. Specialized development for business cases & on-premise setup for data privacy. Start to use Sweephy's free modules. No-code machine learning-powered tools. Just give the data and keywords that you are checking for. Our model can create a report based on keywords. It doesn't just check the words in the text, our model is classifying semantically and grammatically. Let us find similar or the same records in your database. Create a unified user database from different data sources with Sweephy Dedupu API. With Sweephy API, easily create object detection models by finetuning pre-trained models. Just send us some use cases, and we will create an appropriate model for you. Such as classifying documents, pdfs, receipts, or invoices. Just upload the image dataset. Our model will clean the noise on the image easily or we can create a finetuned model for your business case.

The most powerful digitization and categorization tool on the market, processing a wide range of digital, scanned or printed document types, submit documents in any file type and form. With hundreds of available integrations, you stay hands-off on data entry, manual verification or account code tagging. A tool to manage import and export at the same time, stay in control with automatic approvals and notifications. Trigger approvals based on events at your convenience. Send approvals to team members, clients, or stakeholders at once. Remove friction with multi-layered approvals and your most convenient format: email, mobile app or in app. Get a real-time view of your finances every time you check your preferred tools and eliminate human error from your reporting.

Your data almost always requires preprocessing to be ready for your needs. Our AI automates the tedious task of preparing and cleansing your data, saving you hours of work. Data analysts spend 80% of their time preprocessing and cleaning data for insights, a tedious, manual task. AI is a game-changer. Transform text columns like customer feedback into 0-5 numeric ratings. Identify patterns in customer feedback and create a new column for sentiment analysis. Remove unnecessary columns to focus on impactful data. Enriched with external data for comprehensive insights. Unreliable data leads to misguided decisions. Preparing high-quality, clean data should be the first priority in your data-driven decision-making process. Rest assured, we do not utilize your data to enhance our AI agents; your information remains strictly yours. We store your data with the most reliable and trusted cloud providers.

UnDatas.IO is a platform focused on parsing and processing unstructured data. It utilizes advanced technology to automatically recognize document layouts and categorize tables, images, formulas, and text, greatly simplifying the data processing process. The platform not only saves a lot of time in organizing data but also helps users extract valuable insights from data and make more strategic decisions. UnDatas.IO provides powerful data support for academic research, business analysis, and technology development. Recognize the layout of documents, identifying areas such as tables, images, formulas, and text. And revert them to json or markdown format. APIs enable different platforms and applications to collaborate seamlessly, facilitating data sharing and the integration of business processes. Our platform enables you to launch your data-driven projects with ease. Boost productivity and achieve better results. Empower your decision-making with advanced analytics.

RapidMiner is reinventing enterprise AI so that anyone has the power to positively shape the future. We’re doing this by enabling ‘data loving’ people of all skill levels, across the enterprise, to rapidly create and operate AI solutions to drive immediate business impact. We offer an end-to-end platform that unifies data prep, machine learning, and model operations with a user experience that provides depth for data scientists and simplifies complex tasks for everyone else. Our Center of Excellence methodology and the RapidMiner Academy ensures customers are successful, no matter their experience or resource levels. Simplify operations, no matter how complex models are, or how they were created. Deploy, evaluate, compare, monitor, manage and swap any model. Solve your business issues faster with sharper insights and predictive models, no one understands the business problem like you do.

Upsolver makes it incredibly simple to build a governed data lake and to manage, integrate and prepare streaming data for analysis. Define pipelines using only SQL on auto-generated schema-on-read. Easy visual IDE to accelerate building pipelines. Add Upserts and Deletes to data lake tables. Blend streaming and large-scale batch data. Automated schema evolution and reprocessing from previous state. Automatic orchestration of pipelines (no DAGs). Fully-managed execution at scale. Strong consistency guarantee over object storage. Near-zero maintenance overhead for analytics-ready data. Built-in hygiene for data lake tables including columnar formats, partitioning, compaction and vacuuming. 100,000 events per second (billions daily) at low cost. Continuous lock-free compaction to avoid “small files” problem. Parquet-based tables for fast queries.

With TIMi, companies can capitalize on their corporate data to develop new ideas and make critical business decisions faster and easier than ever before. The heart of TIMi’s Integrated Platform. TIMi’s ultimate real-time AUTO-ML engine. 3D VR segmentation and visualization. Unlimited self service business Intelligence. TIMi is several orders of magnitude faster than any other solution to do the 2 most important analytical tasks: the handling of datasets (data cleaning, feature engineering, creation of KPIs) and predictive modeling. TIMi is an “ethical solution”: no “lock-in” situation, just excellence. We guarantee you a work in all serenity and without unexpected extra costs. Thanks to an original & unique software infrastructure, TIMi is optimized to offer you the greatest flexibility for the exploration phase and the highest reliability during the production phase. TIMi is the ultimate “playground” that allows your analysts to test the craziest ideas!