1. Team Communication: Slack
Slack allows us to use instant messaging. 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.

2.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. An editor’s position is highlighted with an editor-specific color and cursor.

3.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. It outclasses SCM tools like Subversion, CVS, Perforce, and ClearCase with features and multiple workflows.

4.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.That includes 100 percent of the Fortune 100, and organizations like Amazon, HBO, Netflix, Nike, Slack, Starbucks and Uber, who are now able to design better products, faster.

5.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. 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.

6.Project management: Click up
It 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. 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. Test techniques include the process of executing a program or application with the intent of finding software bugs, and verifying that the software product is fit for use.

8.Digital marketing analytics: Adobe
Adobe Digital Editions is an ebook reader software program from Adobe Systems, built initially using Adobe Flash. It implements a proprietary scheme of Digital Rights Management 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. 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. 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.