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RegExr.com is an online tool to learn, build, and test Regular Expressions.Pricing:
- Open Source
- User-Friendly Interface - RegExr offers an intuitive and visually appealing interface that makes it easy for users to write, test, and understand regular expressions.
- Real-time Feedback - Changes to the regular expression and input text are reflected immediately, allowing users to see the effects of their adjustments in real-time.
- Built-in Cheatsheet - RegExr includes a handy cheatsheet that provides quick access to common regex patterns and syntax, making it easier for users to learn and reference rules.
- Community Examples - Users can explore and share community-generated regex patterns, which can serve as valuable examples or starting points for creating their own regex.
- Detailed Explanation - Each part of the regex pattern can be hovered over to display detailed tooltips explaining its function, aiding in the understanding of complex expressions.
#Productivity #Programming Tools #Development 368 social mentions
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Do-It-Yourself Data Analytics & Business Intelligence, Powered by AIPricing:
- Freemium
- $99 / Monthly (Per Editor, Unlimited Viewers)
- Universal Data Library - Automatic data modeling ensures your data is clean and queryable
- Map Data - Combine, merge, and map data from across disparate sources for a full picture of your business.
- Automatic Data Refresh - Hourly data refresh from your favorite apps like Salesforce, Hubspot, Zendesk, Stripe, and more!
- Natural Language - Filter, visualize, and calculate with just your wordsβno SQL required.
- AI Data Scientist - Create custom calculations and aggregations across multiple sources without writing any SQL or formulas
#Data Dashboard #Data Visualization #Data Analysis Featured
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A front end web development playground.
- Real-time Collaboration - Developers can collaborate with others in real-time, making it easy to work on projects with teammates or seek help from the community.
- Immediate Visual Feedback - CodePen allows you to see the results of your code as you write it, which is highly beneficial for learning and debugging.
- Integrated Development Environment (IDE) - CodePen provides a comfortable and feature-rich online IDE environment with syntax highlighting, autocomplete, and more.
- Community-Driven - Users can share their work with the CodePen community, receive feedback, and explore a wide range of projects created by others.
- Extensive Resources - CodePen offers a wealth of examples and templates for various web development tasks, making it a useful resource for learning and inspiration.
#Software Development #Text Editors #Programming 513 social mentions
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Welcome to the fantastic world of nerdy regex fun!
- Strengthening Regex Skills - Regex Crossword helps users improve their regular expression skills through practical challenges and puzzles.
- Entertainment - The puzzles are enjoyable and can serve as a fun pastime for those interested in logic games and programming.
- Educational Tool - The platform can be used as an educational resource for teaching regex in a more interactive and engaging way compared to traditional methods.
- User Interface - The website has an intuitive and user-friendly interface, making it easy for users to start solving puzzles without a steep learning curve.
- Community Puzzles - Users can create and share their own puzzles, fostering a sense of community and providing a wide range of challenges.
#Productivity #Programming Tools #Development 69 social mentions
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Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
- Easy Sharing and Collaboration - JSFiddle allows users to share and collaborate on code snippets effortlessly by generating unique URLs for each project.
- Real-Time Editing - Changes made to HTML, CSS, and JavaScript are displayed in real-time, providing instant feedback and streamlining the development process.
- Supports Multiple Frameworks - JSFiddle supports various JavaScript frameworks and libraries such as jQuery, Vue.js, and React, allowing developers to experiment with different technologies.
- Embed Feature - Users can embed their fiddles directly into websites or blogs, enabling easy demonstration of code and concepts.
- Version Control - JSFiddle offers version control, allowing users to save different versions of their code and revert to previous versions if needed.
#Software Development #Text Editors #Programming 204 social mentions
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Online playground for ReactPricing:
- Open Source
- Ease of Use - CodeSandbox offers an intuitive interface that allows developers to quickly start coding without the need for complex setup or configuration.
- Instant Collaboration - The platform supports real-time collaboration, enabling multiple developers to work on the same project simultaneously.
- Pre-configured Environments - It provides a variety of pre-configured templates for popular frameworks like React, Vue, and Angular, which saves time on setting up development environments.
- Integrated Development - CodeSandbox includes built-in terminal access and npm/yarn package management, making it possible to manage dependencies directly within the editor.
- Live Previews - Code changes are instantly compiled and displayed, providing immediate feedback with live previews of the application.
#Software Development #Text Editors #Programming 313 social mentions
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Free ebook for the JS BeginnersPricing:
- Open Source
- Comprehensive Learning Resource - Eloquent JavaScript covers a wide range of topics, from basic syntax to advanced concepts like asynchronous programming and web development. This depth makes it a valuable resource for both beginners and advanced programmers.
- Interactive Code Examples - The book contains numerous interactive code examples that allow readers to see the effects of their code in real-time. This hands-on approach reinforces learning and helps solidify concepts.
- Free Online Access - Eloquent JavaScript is available for free online, making it accessible to anyone with an internet connection. This allows learners from around the world to benefit from its content without financial barriers.
- Engaging Writing Style - The author, Marijn Haverbeke, writes in an engaging and clear style, making complex topics more understandable and keeping readers interested.
- Good Balance of Theory and Practice - The book strikes a good balance between theoretical explanations and practical exercises, allowing readers to apply what they have learned immediately.
#Software Development #Text Editors #Developer Tools 218 social mentions
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Sample of the bin:Pricing:
- Open Source
- Real-time Collaboration - JS Bin allows multiple users to work on the same code simultaneously, making it easy for teams to collaborate on front-end projects in real-time.
- Instant Preview - Changes to HTML, CSS, and JavaScript code are previewed instantly, allowing users to see the results of their work without manual refreshing or deploying.
- Embed Feature - Users can easily embed their bins into other web pages, making it convenient to share examples or demonstrate code snippets in blogs or documentation.
- Debugging Tools - JS Bin includes built-in debugging tools such as console log inspection, making it easier to identify and fix issues directly within the platform.
- Customizable Environments - Users can set up their preferred coding environment with various settings, including templates, libraries, and preprocessors, to enhance productivity.
#Design Playground #JavaScript #Programming 25 social mentions
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Free MVP cost calculator: describe your app in 5 clicks and get a realistic 2026 estimate for a freelancer build, a traditional agency and a fixed-price 14-day build by senior professionals, where the client owns the code.Pricing:
- Free
- Estimate in 5 clicks - Platform, features, accounts, payments, integrations - about 30 seconds
- Three build routes compared - Freelancer, traditional agency and fixed-price 14-day build, side by side
- No signup - The result shows immediately - no email, no account
- 2026 market rates - Ranges based on current market pricing, updated for 2026
- Fixed-price path - Fixed price from $4,000 on a free 30-minute call, live MVP in about 14 days
#Developer Tools #MVP #Online Calculators Featured

