Alternatives to Flow.org

Discover websites similar to Flow.org based on shared categories, topics, and features.

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mypy-lang.org favicon

Check Python code with optional static typing

74%

Mypy is a tool for Python that lets you add optional static typing to your code, helping you catch errors early and write more reliable programs.

xdebug.org favicon

Debug and profile your PHP code easily

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Xdebug is a PHP extension that helps you debug, profile, and improve your PHP code for a smoother development experience.

validator.w3.org favicon

Validate your website's HTML for standards compliance

41%

Check your website’s HTML or XHTML for errors and standards compliance with this easy-to-use markup validation service from the World Wide Web Consortium.

nunit.org favicon

Test .NET code easily with NUnit's open framework

41%

NUnit offers a free, open-source framework for unit testing .NET code, helping developers write and run tests to ensure their projects work as intended.

tracy.nette.org favicon

Debug PHP code with clear error visualization

41%

Tracy is a PHP debugging tool that helps developers visualize errors, log issues, and inspect variables for easier, more effective troubleshooting.

eslint.org favicon

Automatically spot and fix JavaScript code issues

39%

ESLint helps you find and fix problems in your JavaScript code with easy-to-use linting tools that improve code quality and consistency.

html-tidy.org favicon

Easily clean and fix your HTML code

39%

HTML Tidy helps you clean up and fix HTML code, making your web pages more readable and standards-compliant. Free and open source for all users.

valgrind.org favicon

Find memory bugs and profile your code easily

39%

Valgrind offers a suite of tools to help you detect memory and threading bugs, profile your programs, and improve code quality for better software reliability.

phpstan.org favicon

Find PHP bugs instantly—no tests needed

39%

PHPStan helps you spot bugs in your PHP code without needing to write tests. It’s a free, open-source tool for improving code quality and reliability.

linter.structured-data.org favicon

Instantly check your page's structured data

28%

Check your web page's structured data by entering a URL, uploading a file, or pasting markup. Instantly see what schema is detected and how it's structured.

scalatest.org favicon

Test Scala and Java code with ease

26%

ScalaTest is a flexible testing tool for Scala and Java projects, helping you write and run tests easily with deep integration into popular development tools.

site.mockito.org favicon

Simplify Java unit testing with mock objects

26%

Find guides, downloads, and resources for Mockito, a popular Java framework that helps you create mock objects for easier unit testing.

nltk.org favicon

Build language tools with Python and NLTK

26%

NLTK is a Python toolkit for working with human language data, offering tools and resources for text processing, analysis, and natural language tasks.

rocq-prover.org favicon

Verify proofs and code interactively

26%

Rocq is an interactive theorem prover and dependently-typed programming language for verifying mathematics and code, supporting rigorous proofs.

ipython.org favicon

Write and test Python code interactively

22%

IPython offers an interactive computing environment for Python, making it easy to write, test, and visualize code for data analysis and research.

jsonlines.org favicon

Understand and use the JSON Lines format easily

22%

Learn about the JSON Lines text format, its uses, and how to work with newline-delimited JSON for logs, data processing, and developer tools.

stockfishchess.org favicon

Download a top-rated open-source chess engine

22%

Stockfish is a powerful open-source chess engine that lets you download, analyze games, and improve your chess skills with advanced AI tools.

godbolt.org favicon

View assembly output from your code in real time

22%

Compile and explore C++, Rust, Go, and more online, instantly seeing the generated assembly code and comparing outputs across multiple compilers.

asciimath.org favicon

Type math and see instant results in your browser

22%

AsciiMath lets you write math equations easily using a simple markup language and see them rendered instantly in your browser.

editorconfig.org favicon

Keep code style consistent across editors

20%

EditorConfig helps you keep coding styles consistent across different editors and IDEs with an easy file format and handy plugins for your projects.

Top Flow.org Alternatives (Matching Language)

jshint.com favicon

Instantly check JavaScript code for errors

43%

JSHint helps you find errors and potential issues in your JavaScript code, making it easier to write clean, reliable, and maintainable programs.

stylelint.io favicon

Catch CSS errors and enforce style rules

41%

Stylelint is a CSS linter that helps you find errors and enforce style rules in your stylesheets, making your code cleaner and more consistent.

jslint.com favicon

Analyze JavaScript code instantly in your browser

41%

Check your JavaScript code for errors and quality issues right in your browser—no downloads or uploads required.

biomejs.dev favicon

Format and lint code instantly for web projects

41%

Biome is a fast toolchain for web projects that formats and lints JavaScript, TypeScript, CSS, and more to save developers time and boost code quality.

validator.nu favicon

Check your HTML for errors instantly

41%

Validator.nu lets you check and validate HTML code for errors and standards, helping you keep your web pages clean, correct, and up to date.

pmd.github.io favicon

Catch code issues across multiple languages

41%

PMD is a free, extensible tool that checks source code for bugs and code quality issues in Java, Apex, and other languages with 400+ built-in rules.

codacy.com favicon

Automate code quality and security checks

39%

Codacy helps developers improve code quality and security by automating checks, enforcing standards, and integrating seamlessly into your workflow.

sonarsource.com favicon

Automate code quality and security checks

39%

SonarQube helps you automatically review code for quality and security issues, offering insights to help developers write clean, secure code faster.

tiobe.com favicon

Assess and improve your software code quality

39%

TIOBE helps you measure and improve software code quality with tools, assessments, and insights for better maintainability and project outcomes.

scrutinizer-ci.com favicon

Automate code reviews and boost software quality

39%

Scrutinizer helps you manage software quality with automated code analysis, continuous integration, and smart tools for better code reviews.

codecov.io favicon

Track and improve your code coverage easily

39%

Codecov helps developers track code coverage, spot flaky tests, and improve code quality with insightful reports and easy integration into CI workflows.

pvs-studio.com favicon

Catch code errors and security flaws early

39%

PVS-Studio helps you find bugs and security issues in C, C++, C#, and Java code with advanced static analysis tools for multiple platforms.

webhint.io favicon

Spot website issues and improve best practices

39%

webhint checks your website for best practices, accessibility, speed, and compatibility issues, helping you easily spot and fix common web development errors.

coveralls.io favicon

See your code coverage in real time

39%

Coveralls tracks your code coverage, helping you spot untested areas and improve quality. Free for open source, easy setup with any CI service.

typescript-eslint.io favicon

Lint and format TypeScript with ease

39%

typescript-eslint provides tools that let you use ESLint and Prettier with TypeScript, helping you write cleaner, more consistent code easily.

codiga.io favicon

Analyze and secure code as you write

39%

Codiga lets you analyze code for quality and security in real time, create custom rules, and manage code snippets across your favorite development tools.

parasoft.com favicon

Automate testing for better, faster software releases

31%

Parasoft offers AI-powered automated testing tools to help teams improve software quality, ensure compliance, and deliver secure code faster.

greenkeeper.io favicon

Automate npm dependency updates for your projects

28%

Greenkeeper helped developers automate npm dependency updates for JavaScript projects. The service is now closed, but recommends migrating to Snyk.

guardsquare.com favicon

Protect and optimize your Java & Android code

26%

ProGuard protects and optimizes Java and Android apps by shrinking, obfuscating, and securing code for better performance and enhanced security.

bundlephobia.com favicon

See npm package sizes instantly

26%

Check the size and performance impact of any npm JavaScript package before adding it to your project. Quickly find out how dependencies affect your bundle.

More Flow.org Alternatives

errorprone.info favicon

Spot and fix coding mistakes instantly

67%

Error Prone helps programmers catch common coding mistakes early by analyzing code and highlighting potential bugs before software is released.

absint.com favicon

Verify and analyze software for critical safety

64%

AbsInt offers tools for static analysis and formal verification, helping ensure safety and predict timing in critical embedded and software systems.

spotbugs.github.io favicon

Automatically find bugs in your Java code

41%

SpotBugs helps you find bugs in Java code using static analysis. It's free, open-source software for making your Java projects more reliable.

findbugs.sourceforge.net favicon

Detect bugs in Java code with static analysis

39%

FindBugs is a free tool for analyzing Java programs and detecting bugs using static code analysis, helping developers improve code quality and security.

rules.sonarsource.com favicon

Spot and fix code issues before you commit

39%

Explore static code analysis rules and tools to help you find and fix coding issues early, making your code cleaner and more secure across many languages.

scan.coverity.com favicon

Detect bugs and vulnerabilities in your code

35%

Coverity Scan helps developers find bugs and security issues in their code by offering free static analysis for open source projects.

lsrodier.net favicon

Explore a Lisp interpreter for iOS

28%

Personal site of a software architect in Italy, featuring a Lisp interpreter for iOS, resume downloads, and insights on app development.

adacore.com favicon

Build safe, secure software with AdaCore tools

26%

AdaCore offers tools and SDKs for Ada, C, and C++ developers to build safe, secure software, plus resources for learning and improving code quality.

api-extractor.com favicon

Simplify TypeScript API docs and exports

26%

API Extractor streamlines TypeScript library development by helping you manage API documentation and package exports for smoother project workflows.

langchain.com favicon

Build and deploy reliable AI agents easily

26%

LangChain offers tools and platforms to help developers build, test, and deploy AI agents, making it easier to create reliable AI-powered applications.

nayuki.io favicon

Discover creative programming and math projects

26%

Explore programming and math projects, tutorials, and resources created by a Toronto-based developer. Great for learning and discovering new ideas.

zed.dev favicon

Collaborate on code in real time with AI support

26%

Zed is a fast, next-gen code editor with multiplayer features and AI assistance, built for seamless coding and real-time collaboration.

cursor.com favicon

Code faster with AI-powered editing tools

26%

Cursor is an AI-powered code editor that helps you write, edit, and manage code more efficiently, with smart features for a faster workflow.

freeformatter.com favicon

Format and validate code instantly online

24%

Access free online tools for developers to format, validate, minify, convert, and analyze code and data in formats like JSON, XML, HTML, and more.

rumkin.com favicon

Access handy tools and calculators online

24%

Rumkin.com offers a variety of free online tools and calculators for everyday tasks, including cryptography, text analysis, and conversions.

francescore.dev favicon

Explore AI and app projects by Francesco Re

24%

Personal website for Francesco Re, an AI/ML engineering student sharing projects, apps, and AI experiments. Discover his work and interests in technology.

openhood.com favicon

Expert development consulting for your business

24%

Openhood offers software development consulting and tailored solutions for businesses seeking to innovate and grow with expert technology guidance.

jsonlint.com favicon

Instantly validate and format JSON online

22%

Validate and format your JSON instantly online. Paste, upload, or enter a URL to check your JSON for errors and make it easy to read or share.

windsurf.com favicon

Boost coding speed with AI-powered editing

22%

Windsurf is an AI-powered code editor and assistant designed to help developers write, edit, and manage code faster and more efficiently.

regex101.com favicon

Test and debug regex instantly online

22%

Build, test, and debug regular expressions online with instant feedback, syntax highlighting, and helpful explanations for multiple programming languages.