Mesure performance of your website based on four criteria: Performance, Accessibility, Best Practices, and SEO. Get tips to improve your user experience.
A list of best practices to follow when setting up a CI/CD pipeline for your next application.
An online tool useful to create, visualize and collaborate on your database entity-relationship diagrams.
Add badges (code coverage, pipeline build status, downloads, rating, etc.) on your fantastic open-source/side project.
Find your next tech conference on various tech tools like GraphQL, Kubernetes, Docker, DevOps, IoT/Hardware, Data/AI, Kotlin, Rust, Java, .NET, etc.
A massive collection of open-source illustrations and graphics for any idea you can imagine and create.
View how much size a Node.js package will add to your app after building files for production. You can also scan your whole
A great helpful tool for mocking AWS Services like
Lambda, SNS, DynamoDB, Kinesis, SQS, API Gateway, etc. in your local environment.
See how you can reduce the size of JSON data, for example, in your API responses or database. As a result, save bandwidth and storage space.
12 rules to apply when building web applications, cloud-native applications, microservices, etc...
A collection of tools that developers can use for free to build their applications.
A collection of APIs in various domains that developers can integrate into their applications.
It is a collection of useful React hooks that saves a lot of time implementing them from scratch.
An interactive tutorial to learn to program with shell.
Visualize your cloud architecture like a pro. Create smart AWS diagrams and get the estimated costs for your architecture.
A free online diagram software for making flowcharts, process diagrams, org charts, UML, ER, and network diagrams.
Spinnaker is an open-source, multi-cloud continuous delivery platform for releasing software changes with high velocity and confidence.
A rich set of data visualization components built on top of the awesome d3 and Reactjs libraries.
Need some mock data to test your app? Mockaroo lets you generate up to 1,000 rows of realistic test data in CSV, JSON, SQL, and Excel formats.
Preview how your website looks on social media like Facebook, Twitter, Google, Linkedin, etc.
A simple editor allows you to quickly add and customize all the sections you need for your project's readme.
A collection of free single-purpose online tools for web developers...
One place to save all the links you bookmark. Organize and share ideas with your friends or teams and discuss the gems they find on the web.
A collective list of public GraphQL APIs to quickly test an idea or explore features offered by a GraphQL client.
Disposable email protects your real email address from spam, advertising mailings, and malware.
Choose a license for your Open source project. An interesting resource to learn when to use an MIT License or a GNU GPLv3 License and many more.
A collection of app ideas you can build to learn a new programming language or a framework. They are categorized into levels: Beginner, Intermediate and Advanced.
Visualize and create your perfect folder structure for your next project. Easily convert to an ASCII format to save to your documentation.
DevDocs combines multiple API documentations in a fast, organized, and searchable interface.
Debunking some accessibility myths.
A list of /uses pages detailing developer setups, gear, software, and configs.
A series of interactive lessons and exercises designed to help you quickly learn SQL right in your browser.
An API for placeholder images. This is useful when you need random images for UI prototypes, application examples, etc.
Provide 20+ tools that help developers with commonly performed tasks like Encoding/Decoding, Minifying, Test Dummy data set, and much more.
Understand and visualize the difference between different font sizes and REM vs. EM Values. Check the preview in real-time to see how it looks.
Record and share your terminal sessions the right way.
Collection of TypeScript type challenges with the online judge. Useful if you want to master the creation of custom types in TypeScript.
View the graph of the star of a GitHub repository.
Everything you need to know about monorepos and the tools to build them.
A free tool that runs a dozen common security tests on a given GraphQL endpoint.
A handy database of screen sizes, viewport sizes, and pixel densities for popular smartphones, tablets, and monitors.
Aggregated set of useful tools that every developer may need once in a while.
Quickly generate your favicon from an image.
Discover the best APIs and developer resources. You can search among more than 5600 APIs from any domain.
A piece of advice to successfully build and advertise an open source software.
Find the right Git commands you need without digging through the web. Want to perform a cherry-pick, rebase, stash, etc... This website is for you.
Do you already know SQL and want to learn some advanced tips and tricks? This resource is for you. It provides a list of actions a developer wants to do with a well-detailed explanation.
Transform a data structure from a programming language, a schema, or a query language to another.