An Open Source GUI tool for a container that helps you to manage your dockerized application. It works with Kubernetes, Docker, Docker Swarm, Azure ACI.


Mesure performance of your website based on four criteria: Performance, Accessibility, Best Practices, SEO. Get tips to improve your user experience.

CI/CD Best Practices

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 awesome 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 huge 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 package.json.


An awesome tool useful for mocking AWS Services like Lambda, SNS, DynamoDB, Kinesis, SQS, API Gateway, etc. in your local environment.

JSON Size Analyzer

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 Factor App

12 rules to apply when building web applications, cloud-native applications, microservices, etc...

Free for developers

A collection of tools that developers can use for free to build their applications.

Public APIs

A collection of APIs in various domains that developers can integrate into their applications.


A collection of useful React hook 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.


Analyze the bundle of a website to see what can be improved, useless Javascript code, or resource-consuming script.


A free online diagram software for making flowcharts, process diagrams, org charts, UML, ER, and network diagrams.

Operator Lookup

A great tool to learn and understand Javascript operators.


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.


A list of tutorials on various tools in the Javascript ecosystem that is useful to build a Full-stack Web application.


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.

Public GraphQL APIs

A collective list of public GraphQL APIs to quickly test an idea or explore features offered by a GraphQL client.

Temporary email address

Disposable email to protect your real email address from spam, advertising mailings, and malware.

Choose a license

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.

App Ideas

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.