Some below tools helped me a lot when i needed it. Feel free to add more tools, if you know more tools and if you want to help the developer's community. Please, submit a Pull Request or Open an issue for a useful tool that you know.
| Web Tool | Description |
|---|---|
| KeyCode Info | Easy visualizer for JavaScript KeyCodes. |
| Carbon | Create and share beautiful images of your source code. |
| DevHints | Rico's cheatsheets. |
| Netlify | Build, deploy, and manage modern web projects. |
| GitHub | GitHub is a development platform inspired by the way you work. |
| GitHub Pages | Websites for you and your projects (Static projects.) |
| Gist | Instantly share code, notes, and snippets. |
| Gitter | Gitter is a chat and networking platform that helps to manage, grow and connect communities through messaging, content and discovery. |
| DevHub | TweetDeck for GitHub. See repo activities and manage your notifications by creating columns with filters, saving items for later and more. |
| Trello | Trello’s boards, lists, and cards enable you to organize and prioritize your projects in a fun, flexible, and rewarding way. |
| Choose an License | An open source license protects contributors and users. Businesses and savvy developers won’t touch a project without this protection. |
| JS Paint | it's a web-based remake of MS Paint. |
| svgomg | Web GUI for SVGO. |
| HTML Minifier | Minify HTML and any CSS or JS included in your markup. |
| CSS Compressor | Use CSS Compressor to compress CSS (CSS 1, CSS 2, CSS 2.1 & CSS 3) to reduce CSS code size and make your website load faster. |
| JS Compressor | It's an online JavaScript compressor that allows you to compress and minify all of your JS files by up to 80% of their original size. |
| Web Resizer | Make photos faster. (Step 1) |
| JPEG and PNG Compactor | Make photos faster. (Step 2) |
| TinyPNG | Smart PNG and JPEG compression. |
| MarkDown Editor | Live (Github-flavored) Markdown Editor. |
| DevDocs | API documentation and works offline. |
| MDN Docs | Resources for developers, by developers. |
| DigitalOcean | It make it simple to launch in the cloud and scale up as you grow—whether you’re running one virtual machine or ten thousand. |
| Regex101 | Validator for regex. |
| Gitignore.io | Web service designed to help you create .gitignore files for your Git repositories. |
| JSONLint | Validator and reformatter for JSON. |
| Conventional Commits | A lightweight convention on top of commit messages. |
| DB Fiddle | An online SQL database playground for testing, debugging and sharing SQL snippets. Supports MySQL, PostgreSQL and SQLite. |
| Can I use | "Can I use" provides an up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers. |
| Convertio | "Convertio" is an easy free file format converter that can help you create PNG, JPEG and PDF files. |
| Deployer | A deployment tool for PHP. |
| Paper Js | An open source vector graphics scripting framework that runs on top of the HTML5 Canvas. |
| CodeKit | Using this tool, web app development work can be done faster as it minifies, combines and syntax-checks JavaScript. |
| CyberChef | The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis. |
| Wappalyzer | Identify technology used on websites. |
| ColorZilla | Advanced Eyedropper, Color Picker, Gradient Generator. |
| Get Waves | Create SVG waves for your next design. |
| DBDiagram | A free, simple tool to draw ER diagrams by just writing code. |
| Desktop Tool | Description |
|---|---|
| VSCode | A rich text-editor by Microsoft to improve your workflow. (I love it <3) |
| Sublime Text | A sophisticated text editor for code, markup and prose. |
| ATOM | A hackable text editor for the 21st Century. |
| Insomnia | Debug APIs like a human, not a robot. |
| Postman | Postman Simplifies API Development. |
| Zeit, Now | The Global Serverless Platform. (CLI) |
| Agent Ransack | Agent Ransack is a file search tool for finding files on your PC or network drives. |
| Fiddler | The web debugging proxy for any browser, system or platform. |
| Homebrew | The missing package manager for macOS (or Linux). |
| pgAdmin | A full-featured PostgreSQL install for MacOS. |
| iTerm2 | A terminal emulator for macOS to replace Terminal. |
| Robo 3T | A GUI for editing and veiwing MongoDB Data. |
| Github Desktop | A GUI for Github |
| CodeLobster | It is a free as well as a convenient PHP IDE that is used to develop fully featured web applications. |