Open source software installation and its use to developing our clients needs fulfilment. vicibox installation and web development. In web development using scripting language Python and php. In Python using Django and Flask framework are used for rest API development and web development in Angular JS. In php using lumen, laravel and Codeigniter framework are used for rest API and web development in VUE JS. In deployment part done on aws and digitalocean servers. In aws product services as EC2, Route 53, VPC, ELB, CloudFront, S3, RDS.