Personally, I think that Rust might be the language to look out for the most, because it enables a developer to become a super-developer by taking away all the hassle and fright of low-level development, while delivering a system-programming environment.

That means safe code, thread safety, etc. and it's all in the language (no extra stuff to learn). It's one of the few languages which do not try to study new things, but actually build on "old" studies to bring forth a new, better language. You might want to read Steve Klabnik's Blog as for why you should choose Rust instead of C, C++, C#, Java, Go, etc. under certain circumstances.

Definitely "Go". Did you hear this? There's a new git code hosting option gitea entirely written in Go.

Kotlin, Statically typed JVM programming language from JetBrain, it can be transcompiled to JavaScript to run on browser, check some of the cool features

Based on my experience and what I have read and noticed the language which gonna be more preferable to use than other is the GO.

Well it actually depends on what you want to build.I asked this question myself, I am a Javascript developer working in nodejs,react,angular etc. I answered this question myself by thinking what I want to build/learn in coming year . Finally I came with below list.

• Python : python is a great language for machine learning if you want to build some recommendation system etc. Basically all machine learning stuff from NLP to Neural networks.
• Javascript : Since I know js I can build a web app TO mobile app with javascript. React js is one the most popular languages of 2015-2016.So if you don't know js and want to build mobile/web apps go for it .From career point also it makes sense because js is on FIRE
• elixir-erlangVM : I love functional programming .And elixir is new functional lang with great syntax i guess most ruby developers will love it . I want to learn elixir because it runs on erlangVM by far the most robust ,fault tolerence,high availablity .Have a look at whatsapp stats https://blog.whatsapp.com/196/1-million-is-so-2011.
• GO : Google's open source project has become very popular recently. You can expect the community to talk more Go in 2017.

Vuejs will be hot fav framework in 2017

Check out Golang

https://golang.org/

• WebAssembly. It's basically assembly language. But I expect more languages will be created based on it. For example there was ThinScript that compiles to both JavaScript and C. There can be more when people see the chance.
• Reason. I saw Jorden Walke demonstrating ReasonML these days. This guy is the author of React but seems not very active in the past years. I only got to recognize his story in the past weeks(well I'm in Shanghai). I guess Reason will be big news for React community when it's all ready.
• ClojureScript, which is my personal favorite. The thing is I saw David's talk on Reactive Conf and seems ClojureScript will have ES6 module support in the near future, which means it can be integrated into the npm ecosystem. It's late, I already have looked forward to it for so long. It's not new language for the English community, but for China, it's new.

They are mostly for the front-end community.

Tiobe-index

I know it's bias and does not represent the "truth" but it's a good indicator for languages:

and if you wanna have a graph of languages influencing each other

I personally would say GO and Rust will continue to replace C and C++ as much as possible. JS will still be on the rise since it's the "unified" language for most of the OS.

Java and C# are still the common business-languages and it only will be replaced in certain edge cases.

Ruby and Python still will remain the sophisticated web-app/system engineer languages pushing innovation with fabric/annsible/chef/puppet/vagrant or apps like gitlab.

Scala still will be the fancy prototyping language for the java guys and closure still will be the pure functional pendant to scala.

I'm not sure about Pony and other candidates who have very elegant concurrency models.

C and C++ will remain the champions under the low level languages and I think mainly C will loose ground to Rust and Go -> go is not half as fast as C but their new GC algo will help them to at least remain the top "easy low level language" and C++ will remain the highly sophisticated "I don't need a safety-net" language.

You always have to remember -> building up expertise takes time -> time equals money for companies. So building a critical mass takes time and a lot of PR / Hype for the momentum.

This is my conservative view on 2017.

Top 3 according to me:

Julia: Matlab/Octave killer, High-Performance JIT Compiler, more.

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Rust: Expecting more projects based on Rust lang. The community is building up fast

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Go: Google's open source project has become very popular recently. You can expect the community to talk more Go in 2017

I am really looking forward to learn Elm, I want to see whether the hype is real, about everything being so great because of its functional, declarative nature.

Speaking of functional programming, I also want to pick up ClojureScript, and learn me some LISP. :)