1. Team Communication: Slack
Slack allows us to use instant messaging so that we are always able to be in contact with one another. Unlike Facebook, Slack allows us to create channels to organize our conversations, add threads to those conversations and archive our channels so that we always have an easily searchable record of previous discussions. Slack integrates with Google Docs so we can share files easily.
A potential problem is that it may be difficult to find conversations when there are a lot of different channels and private messages. It is also good for the project working, and also helpful for organizations of institutions to communicate with there workers and officials.It is also good for schools to communicate with their students.

2.Version control: Git

Git is a free and open-source distributed version control system designed to handle everything from small to very large projects with speed and efficiency. Git is easy to learn and has a tiny footprint with lightning-fast performance. It outclasses SCM tools like Subversion, CVS, Perforce, and ClearCase with features like cheap local branching, convenient staging areas, and multiple workflows. It has very good features of remote-working with our team-mates and colligues form anywhere in the world.
3.Prototyping: Invision
InVision is the Digital Product Design platform used to make the world’s best customer experiences. It provide design tools and educational resources for teams to navigate every stage of the product design process, from ideation to development. Today, more than 5 million people use InVision to create a repeatable and streamlined design workflow; rapidly design and prototype products before writing code, and collaborate across their entire organization. That includes 100 percent of the Fortune 100, and organizations like Airbnb, Amazon, HBO, Netflix, Nike, Slack, Starbucks and Uber, who are now able to design better products, faster.
4.Time tracking: Toggl
Toggl Track (formerly Toggl) is a time tracking app operated by Toggl OÜ, headquartered in Tallinn, Estonia, that offers online time tracking and reporting services through their website along with mobile and desktop applications. Toggl Track tracks time blocks optionally labeled with a task, a project, and tags. Time can be tracked through a start/stop button, manual entry, or dragging and resizing time blocks in a calendar view. With the browser extension, Toggl Track has time tracking integrations with over 100 websites.

5.Document sharing: Google docs
Google Docs is a word processor included as part of a free, web-based software office suite offered by Google within its Google Drive service. The application allows users to create, view and edit files online while collaborating with other users in real-time. Edits are tracked by user with a revision history presenting changes. An editor’s position is highlighted with an editor-specific color and cursor. A permissions system regulates what users can do.
6.Project management: Click up
ClickUp is a cloud-based collaboration and project management tool suitable for businesses of all sizes and industries. Features include communication and collaboration tools, task assignments and statuses, alerts and a task toolbar. Users can assign comments and tasks to specific team members or groups of team members. Comments and tasks can be marked as resolved or in progress, or users can create custom statuses.
7.Code testing: Aqua
Software testing is an investigation conducted to provide stakeholders with information about the quality of the software product or service under test.[1] Software testing can also provide an objective, independent view of the software to allow the business to appreciate and understand the risks of software implementation. Test techniques include the process of executing a program or application with the intent of finding software bugs (errors or other defects), and verifying that the software product is fit for use.
8.Digital marketing analytics: Adobe
Adobe Digital Editions (abbreviated ADE) is an ebook reader software program from Adobe Systems, built initially (1.x version) using Adobe Flash. It is used for acquiring, managing, and reading eBooks, digital newspapers, and other digital publications. The software supports PDF and EPUB (nonproprietary file format for reflowable text or fixed layout ebooks). It implements a proprietary scheme of Digital Rights Management (“DRM”) which, since the version 1.5 release in May 2008, allows document sharing among multiple devices and user authentication via an Adobe ID. ADE is a successor to Adobe eBook Reader.
9.SEO(Search engine optimization): Google Analytics
Google Analytics is a web analytics service offered by Google that tracks and reports website traffic, currently as a platform inside the Google Marketing Platform brand. Google launched the service in November 2005 after acquiring Urchin. As of 2019, Google Analytics is the most widely used web analytics service on the web. Google Analytics provides an SDK that allows gathering usage data from iOS and Android app, known as Google Analytics for Mobile Apps. Google Analytics can be blocked by browsers, browser extensions, firewalls and other means.
10. Page speed testing: Pingdom
Pingdom AB is a Swedish website monitoring software as a service company launched in Stockholm and later acquired by the Austin, Texas-based SolarWinds. The company releases annual reports on global internet use, which are frequently cited in academic publications and by media organizations as a source of Internet-related statistics.