Top 6 Programming Languages for Custom Software Development


Never before have we witnessed so many changes in the IT industry with the need to utilize custom app development so high today. It is unfortunate that we must confess that the pandemic that occurred in 2020 rang a strong bell, hastening the pace of global digital transformation.

Many products are developed, which necessitates the usage of several programming languages. The popularity of programming languages, in particular, is heavily influenced by the demands and sorts of products that clients desire. It would be quite over-hype to use the word 'trending' to talk about the prominence of a certain language when applied to custom app development. However, in 2021, there are top 6 outstanding programming languages ​​favored for custom software development. Let’s discover all in this article!

Top 6 Programming Languages for Custom Software Development

With the information obtained from many statistics around the world, the position of programming languages also changes month by month in 2021. And here are the prominent names:

1. Python

The Python syntax is generally stated to be obvious, straightforward, and nearly English-like; and thus, it is as attractive for newbies as Java. Consequently, Python is #1 for the December 2020 index at the PYPL index. Specifically, in the past five years, the language has grown enormously by approximately 18–19%.

This programming language is extensively utilized with various trending technologies, including machine learning, artificial intelligence, data science, and other technologies, for web app development, custom development, etc. Moreover, Python offers a number of applications, which make the choice of the finest programming language for your usage case a varied, powerful alternative.

  • Learning, reading ,and writing easily
  • Productivity improvement
  • Open-Source Free to use and distribute under the authorized OSI license.
  • Huge standard library
  • The program is accessible on all operating systems
  • Extensively supported

2. C#

Has been regarded as a general-purpose, multi-paradigm programming language focused on objects, C# is a favorite desktop and online applications programming language running on Windows systems. For the last two years, it has been ranked #5 on the GitHub Language rankings. This language was created by Microsoft – mainly for its .Net, and based on C and C++ programming languages.

C# has been widely utilized in gamé, Windows applications, and server-side applications development. Thanks to its general-purpose nature, C# also has a large number of libraries that make the programming language quicker and more efficient.


  • Fast compilation and update
  • Component oriented
  • Complete integration with the.NET framework
  • General-purpose
  • Multi-paradigm 

3. JavaScript

JavaScript is the most popular language among developers for the 8th consecutive year according to Stack Overflow's 2020 Developer Survey. JavaScript is largely a browser language, it can also be used to construct scalable network applications on the server side through NodeJS. To highlight this point,  JavaScript is mostly a browser-intensive language, it may be used to develop scalable network applications on the server side through Node.js. Linux, SunOS, Mac OS X, and Windows are supported by NodeJS.

JavaScript is considered to be important for web development in connection with HTML and CSS. Specifically, some brand names that are popular worldwide, such as Facebook and Twitter to Gmail and YouTube, rely on JavaScript to build interactive web pages and show user-changeable information.

One more critical thing, JavaScript is not the same as Java. It is vital to understand this. JavaScript is mostly an easier-to-learn scripting language than Java.


  • Speedy – with the client-side browser can be run right away
  • Simple
  • Popular
  • Effective interoperability
  • Rich interfaces creation enabled
  • Browser support is updated frequently

4. PHP

The name PHP (Hypertext Preprocessor), which is extensively used for creating web apps and for developing developers to produce new applications is one of the primary languages. Designed and appeared in 1995 by Rasmus Lerdorf, PHP indicates that programs developed on a web server and not dependent on the online navigator have a server-side script language. PHP language syntax is similar to C language.

Significantly, PHP is the fifth trendiest coding language in the world, according to the recognition of the PYPL Index. To date, owing to its numerous qualities, PHP is one of the easiest and hottest computer program tools for web building, along with a truly effective technology that offers many additional capabilities in order to help a convenient development procedure.


  • Open-source – free of cost
  • Platform independent
  • Easy to learn & use
  • Powerful library support
  • Easily manage code
  • Ability to mix successfully with several other languages

5. Ruby

Developed in Japan, since then Ruby has been considered a highly qualified programming language. This popular scripting language is used for web development and custom app development in both front-end & back-end. The object-oriented language provides a very comprehensible high-level syntax akin to English coding. The open-sourced language is productive as well as enjoyable.

Ruby is also a good language owing to its affiliation with major software firms, besides the active community and its simple syntax. Twitter, Airbnb, Bloomberg, Shopify, and many more start-ups all developed their websites at some time using Ruby on Rails.


  • Significant support society
  • Straightforward syntax
  • Big community
  • Offered for free on the market
  • User-friendly

6. C/ C++

The broad usage of procedure programming language is utilized mostly for developing low-level systems like operating systems, kernel development, and others if we use C language in particular. Whereas, C++ is an object-oriented language of programming (primarily developed as an extension of C). The language is frequently utilized with numerous other industries in the areas of Game Development, GUI & Desktop...

Many large technology firms employ Developers with decent salaries such as Adobe, Oracle, Microsoft, Nvidia, etc. Moreover, learning C/C++ in 2021 not only benefits from the standpoint of the career but also facilitates the learning of other languages later on.


  • Platform independent
  • Multi-paradigm
  • Focused programming
  • Massive support network
  • Powerful scalability
  • Transparent & mature standard

Saigon Technology – Home to Over 400 Talented Developers

This is exactly what we want to convey to you. Been popular in Vietnam for many consecutive years, Saigon Technology is the home to over 400 talented Developers, with a wide range of expertise in programming languages like Ruby on Rails, PHP, .NET, Python, C/ C++, JavaScript, C#, or even ASP.NET, AngularJS, NodeJS, ReactJS...

Saigon Technology has been a leader on the list of the 15 top software firms in Vietnam, with nearly ten years of establishment and development with the world information technology sector in general and in Vietnam in particular. To get a free quote and consultant for your upcoming project? Simply leave your information here. We will get in touch with you soon!

Content Manager

Thanh (Bruce) Pham CEO of Saigon Technology

A Member of Forbes Technology Council

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