• Angular 2+| React | NodeJS will be Starring in the 2020 Showdown

With NodeJS, Angular 2+ and React being the top three frameworks used in 2020, we can assure you that they’re staying for a sequel i.e. 2021.

• Big Data Computation — Apache Spark at the Heart of Data Analysis
• Rust Programming Language to Top the Charts in 2021

In 2020, Rust garnered plenty of attention from programmers and many software giants including Microsoft, Intel and social media enterprise Facebook that come out in support of Rust. 

• Kotlin | Scala | Java are a good trio

Java programming will continue to dominate the market in 2021. Java’s runtime, Java Virtual Machine offers an excellent foundation for JAVA and many popularly used programming languages like Kotlin and Scala use JVM as their runtime.

Source: https://www.ripplerecruit.co.uk/blog/7-predictions-about-software-development-trends-in-2021