Free Software for Web
D3.js
With D3.js developers can produce dynamic, interactive data visualizations in web browsers. It's a free and opne-source JavaScript library that combines Scalable Vector Graphics, HTML5, and Cascading Style Sheets standards. The library gives developers the full capability of modern browsers and puts a strong emphasis on web standards.
Steam
Steam is where most gamers come to buy and play computer games. Steam is a video game digital distribution service by Valve. The software can be used to both buy and launch games, it also packs social features allowing you to make friends and play games with or against them. The Steam platform can also be used by game developers and publishers to launch and sell games to users of the platform.
Azure DevOps
With Azure DevOps developers can plan smarter, collaborate better, and ship faster with a set of modern dev services. Azure DevOps a set of tools provided as a part of Azure cloud that can be used by developers to collaborate on software projects and do CI/CD integrations.
LinkedIn
LinkedIn is a business and employment-oriented social network. LinkedIn launched in 2003, it is mainly used for professional networking, including employers posting jobs and job seekers posting their CVs. Most of the company's revenue comes from selling access to information about its members to recruiters and sales professionals . As of May 2020, LinkedIn had 690+ million registered members in 150 countries. With LinkedIn, users can find jobs, people and business opportunities recommended by someone in one's contact network.
CC Search
A search engine dedicated to CC licensed images. With CC Search you can specify and filter by aspect ratio, image size, filte type and license (CC0, BY, BY-SA, BY-NC, BY-ND, BY-NC-SA, BY-NC-ND or Public Domain) to find an image specific to your usecase.
Parse
Parse is a free, open-source complete application stack that can be used to build applications faster. Parse includes object and file storage as part of the stack while also providing easy to use components for dashboard, user authentication, push notification and much more. The projects inclueds a client SDK that makes it easy to build applications for mobile, desktop or the web.
Google Flights
With the help of Google Flights you can find cheap flights and airline tickets. The tool allow you to compare and track airfares on hundreds of airlines to help you find the best flight deals. Google Flights is included as a service in Google Search, where comparison table also appear within the search engines results under certain queries.
Fly Delta
With the Fly Delta application you can book flights, check in, change seats, track your bag and check flight status for Delta Air Lines.
GNU social
GNU social connects you to a free network of thousands of communities that discuss daily on a variety of topics, each being part of the whole. GNU social supports both single-user and community modes and can be used in an intranet environment or as part of the wider open network. The free and open source microblogging server is written in PHP and built on-top of the OStatus standard for inter-operation between installations.