awesome-programming-tools

Create and share beautiful images of your source code. Start typing or drop a file into the text area to get started.

Online C++ decopiler and code explorer tool.

DartPad is a free, open-source online editor to help developers learn about Dart and Flutter.

If you are sick and tired of starting Visual Studio, creating a new project and running it, just to test simple code or try out samples from other developers you can use DotNetFiddle instead.

Real numbers visualization service.

The Go Playground is a web service that runs on go.dev's servers. The service receives a Go program, vets, compiles, links, and runs the program inside a sandbox, then returns the output.

JsFiddle is a JavaScript, CSS, HTML or CoffeeScript online code editor.

Geometry tools.

Graphic calculator.

Matrix calculator.

Scientific calculator.

Free digital tools for class activities, graphing, geometry, collaborative whiteboard and more.

Free web service to visualize graphs.

Locate files and folders by name instantly.

Icon font generator.

Well drawn diagrams are essential in explaining concepts to others but also in improving your own understanding. Topics such as lighting, shadows and BRDF equations are extremely difficult to get across without pretty pictures! Free render diagrams editor can help with it.

Hurl is a command line tool that runs HTTP requests defined in a simple plain text format. It can chain requests, capture values and evaluate queries on headers and body response. Hurl is very versatile: it can be used for both fetching data and testing HTTP sessions. Hurl makes it easy to work with HTML content, REST / SOAP / GraphQL APIs, or any other XML / JSON based APIs.

Free fake API for testing and prototyping.