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7 tools for people who love playing with data

Created at November 24, 2025 • Updated 11/24/2025

Here’s a curated list of tools for anyone who enjoys exploring, cleaning, and visualizing data. Whether you’re scraping the web, building dashboards, or documenting APIs, these tools make the whole workflow smoother.

https://www.21oss.com//curated/7-tools-for-people-who-love-playing-with-data
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BroKarim

@BroKarim

RAWGraphs is an open-source web tool for creating custom vector-based visualizations built on the d3.js library. Developed by DensityDesign Research Lab, it bridges the gap between spreadsheet applications and vector graphics editors. The tool works with tabular data (spreadsheets, CSV) and copied-pasted text, outputting SVG visualizations editable in graphics software or embeddable in web pages. RAWGraphs processes all data client-side in the browser, ensuring complete privacy as no server-side operations or storage occurs. It's designed for designers and visualization enthusiasts who need to transform raw data into publication-ready graphics.

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  • Stars


    8,919
  • Forks


    1,856
  • Last commit


    2 months ago
  • Repository age


    13 years
  • License


    Apache-2.0
View Repository

Fetched from GitHub .

NocoDB is an open-source platform that transforms any database into a smart spreadsheet with multiple views. It offers grid, kanban, gallery, form, and calendar views for effortless data management without coding. The platform supports various use cases including CRM, project management, operations, and inventory management. With features for data integration, collaboration, and handling millions of rows, NocoDB provides complete control over your data while maintaining simplicity and scalability.

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  • Stars


    61,424
  • Forks


    4,567
  • Last commit


    16 hours ago
  • Repository age


    8 years
  • License


    AGPL-3.0
View Repository

Fetched from GitHub .

Firecrawl is an API service that crawls URLs and converts websites into clean markdown or structured data. It automatically crawls all accessible subpages without requiring sitemaps, providing clean, LLM-ready data for AI applications.

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Details:
  • Stars


    74,817
  • Forks


    5,737
  • Last commit


    1 day ago
  • Repository age


    2 years
  • License


    AGPL-3.0
View Repository

Fetched from GitHub .

Hoppscotch is a lightweight, web-based API development suite that helps developers create, test, and document APIs. It provides a fast and beautiful interface for making HTTP requests, testing REST, GraphQL, WebSocket, and other API protocols. With features like collections, environments, real-time collaboration, and extensive protocol support, it serves as a powerful alternative to traditional API testing tools. The platform is designed for developers who need a quick, efficient way to interact with APIs without the overhead of heavy desktop applications.

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  • Stars


    77,526
  • Forks


    5,515
  • Last commit


    19 hours ago
  • Repository age


    6 years
  • License


    MIT
View Repository

Fetched from GitHub .

Grafana is a powerful open-source analytics and interactive visualization web application. It provides charts, graphs, and alerts for monitoring time-series data from various sources including Prometheus, InfluxDB, Elasticsearch, and cloud platforms. Teams use Grafana to create comprehensive dashboards for infrastructure monitoring, application performance tracking, IoT data visualization, and business analytics. It's widely adopted by DevOps teams, SREs, and data analysts for real-time observability.

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  • Stars


    71,692
  • Forks


    13,357
  • Last commit


    16 hours ago
  • Repository age


    12 years
  • License


    AGPL-3.0
View Repository

Fetched from GitHub .

Jupyter Notebook is a web-based interactive computational environment that allows users to create and share documents containing live code, equations, visualizations, and narrative text. It supports multiple programming languages through kernels, with Python being the most popular, making it ideal for data cleaning, transformation, statistical modeling, machine learning, and data visualization. The notebook format combines executable code cells with rich text elements, enabling reproducible research and interactive data exploration in a single document that can be easily shared and collaborated on.

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  • Stars


    12,898
  • Forks


    5,565
  • Last commit


    2 days ago
  • Repository age


    11 years
  • License


    BSD-3-Clause
View Repository

Fetched from GitHub .

Scalar is a modern API documentation platform that transforms OpenAPI/Swagger specifications into beautiful, interactive API references. It provides developers with an elegant interface to explore, test, and understand APIs through auto-generated documentation. The tool features a clean design, built-in API client for testing endpoints, code generation in multiple languages, and seamless integration with existing workflows. Ideal for API developers, technical writers, and teams looking to improve their API documentation experience with minimal setup.

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  • Stars


    13,467
  • Forks


    716
  • Last commit


    1 day ago
  • Repository age


    2 years
  • License


    MIT
View Repository

Fetched from GitHub .

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