The Best Open Source Data Center And Cloud Software



Nginx is a free and open-source web server. It is a very fast web server written by Igor Sysoev a Russian software engineer. The main focus of this web service is to provide high concurrency, performance,, and low memory usage. Nigix can be work as an application accelerator, media delivery system, and reverse proxy server for HTTP, HTTPS, SMTP, POP3. Nginx provides the features of load balancing, HTTP cache, streaming media services, offload concurrency, static content, latency processing, SSL,, and many more. Nginx can be used in a number of operating systems like Unix, Linux, BSD variants, Mac OS X, Solaris, AIX, HP-UX, and Microsoft Windows.



AppScale is an open-source cloud computing solution written in Python, Ruby, Java, Go, PHP languages. It is developed and maintained by AppScale Systems Inc. AppScale can be used to scale and deploy unmodified Google App Engine applications over public and private cloud systems. The main purpose of this solution is to provide the developer an API-driven development platform that can run applications on any cloud infrastructure easily. It can be used on different platforms like Amazon EC2 to Microsoft Azure too, yes, Google Compute Engine, OpenStack, Softlayer(IBM), RackSpace, CloudStack, DigitalOcean, Eucalyptus, KVM, Xen.



Eucalyptus is a free and open-source Linux-based software architecture. By using Eucalyptus you can build, deploy and manage Amazon Web Services. It also provides the facility to share the workload on your private server and Amazon. Eucalyptus provides the features of storage, pooling compute and network resources for dynamically scaled up or down when workload change. The installation procedure of Eucalyptus is very easy and its framework is highly modular. Eucalyptus core provides a number of support features to their user like Accounting Reports support, SAN support, Windows VM support, VMware Support, and Users and Groups management.



PostgreSQL is an open source object-relational database management system (ORDBMS). It is a very powerful reliable and data integrity-supported database structure. This database supported cross-platform like Linux, UNIX, and Windows. It provides the support of joins, foreign keys, views, triggers, and stored procedures. It supports different data types like integers, numeric, Boolean, char, varchar, interval, date, timestamp, etc. It also supported binary large objects like sounds, pictures, and video. PostgreSQL provides different features to their users such as a point in time recovery, MVCC, tablespaces, nested transactions, sophisticated query planner, asynchronous replication, etc. It supports multi-byte character encoding, Unicode, and international character sets.



OpenStack is an open-source cloud computing software platform solution. It has been used to control the resources of computing, networking, and storage through data center and it can be managed through OpenStack API or dashboard. Usually, users use this solution infrastructure as a service(IaaS). It is managed by OpenStack Foundation, it released under the Apache License and written in Python.