Slack: for team collaboration

https://slack.com

Slack is a collaboration hub for work, no matter what work you do. It’s a place where conversations happen, decisions are made, and information is always at your fingertips. With Slack, your team is better connected.

Trello: for tasks management

https://trello.com/en

Trello has a variety of work and personal uses including real estate management, software project management, school bulletin boards, lesson planning, accounting, web design, gaming and law office case management.

Day off: for leave management

https://day-off.app/

Interactive mobile app for employees and companies with a web dashboard for HR and team managers to manage their teams leaves.

Gitlab: for project planning and code management

https://about.gitlab.com/

GitLab is a single application for the entire software development lifecycle. From project planning and source code management to CI/CD, monitoring, and security.

Zoom: for team Video Conferencing

https://zoom.us/

Zoom is the leader in modern enterprise video communications, with an easy, reliable cloud platform for video and audio conferencing, collaboration, chat, and webinars across mobile devices, desktops, telephones, and room systems.