github is where over 100 million developers shape the future of software, together. contribute to the open source community, manage your git repositories, review code like a pro, track bugs and features, power your ci/cd and devops workflows, and secure code before you commit it.

more publishers trust us to engage, grow, and understand their audiences than any other. build your on-site community with disqus.

catalog your collection of cds and vinyl records, dvds and blu-rays, books, comic books or video games. use the connect web-based software, install the clz mobile app on your iphone, ipad or android device, or use the downloadable collector software on your windows computer.

build real projects by leveraging dozens of high-quality data apis.

simple, beautiful database design tool for developers to create, collaborate and visualize their entity relationship diagrams.

explore microsoft products and services for your home or business. shop surface, microsoft 365, xbox, windows, azure, and more. find downloads and get support.

introducing google marketing platform, a unified marketing and analytics platform for smarter marketing measurement and better results.

music recognition api: recognize music in audio files, ugc, and microphone recordings. identify what's playing on radio stations and audio streams. monitor airplay and create radio charts or make your own music recognition app. recognize music from social networks and analyze trends.

750 million+ members | manage your professional identity. build and engage with your professional network. access knowledge, insights and opportunities.

reddit is a network of communities where people can dive into their interests, hobbies and passions. there's a community for whatever you're interested in on reddit.