Coding platform

Gitea (Git with a cup of tea) is a painless self-hosted Git service written in Go

Codeberg is founded as a Non-Profit Organization, with the objective to give the Open-Source code that is running our world a safe and friendly home, and to ensure that free code remains free and secure forever.

Reduce the risk of a security incident by working with the world’s largest community of hackers. HackerOne offers bug bounty, VDP, & pentest solutions.

Online interactive HTML Cheat Sheet contains useful code examples and web developer tools, markup generators and more.

Preserving open source software for future generations

Test your C# code online with .NET Fiddle code editor.

Share and save free code snippets, HTML5, CSS3 and JS Demos. Collaborate with other web developers using this free code sharing tool.

The compiler for next generation JavaScript

GitHub Gist: instantly share code, notes, and snippets.

Use RapidAPI to Find, Connect, & Share 1000s of APIs using our Multi-cloud platform. Improve Developer Experience with API Design, Testing, Monitoring, & More!

CodeSandbox is an online code editor and prototyping tool that makes creating and sharing web apps faster

Github Git Cheat Sheets Training Kit

Teach and learn better, together. Learn to ship software like a pro. Discounted and free plans are available for educational use

Learn how to launch and grow your project.

GitHub Stars are experts and technical leaders who passionately share their knowledge, online and in-person, with communities in which they live and work.

Perforce Software provides enterprise-scale development tools. This includes version control, application lifecycle management, agile planning, and static analysis. Perforce Software is also the parent company of Perfecto and Rogue Wave.

The leading platform to prepare for coding interviews. Master essential algorithms and data structures, and land your dream job with AlgoExpert.

"Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.

Best QR code generator to create dynamic QR codes with logo and track data for professional use and marketing, free customized QR code generator with logo

A minimalistic privacy-focused journal that applies Deep Work principles to bring work-life balance. Markdown supported, works offline, smooth shortcuts.

United Barcode Systems are manufacturers of High-Resolution Inkjet Printers, Print & Apply Labeling, Thermal Inkjet Systems, Consumables, and Software.

Answers to your questions about the QR Code！『QRcode.com』

TEC-IT offers professional barcode and 2D code generators, label printing software and data collection apps for Windows, Office, Mac, Android, iOS, Linux/UNIX and SAP

BarcodeRobot provides everyone with on-line generated world-class Barcode images of EAN-13, UPC-A and ISBN-13 barcodes in PostScript (vector) or JPG, PNG, GIF formats for immediate download. Get free barcode using Twitter!

Collaborate on code with inline comments and pull requests. Manage and share your Git repositories to build and ship software, as a team.