Survey results: https://insights.stackoverflow.com/survey/2021
Top 5 general languages: JavaScript, HTML/CSS, Python, SQL, Java
Top 5 loved languages: Rust, Clojure, TypeScript, Elixir, Julia
Top 5 wanted languages: Python, TypeScript, JavaScript, Go, Rust
Top 5 dreaded languages: COBOL, VBA, Matlab, Objective-C, Groovy
Top 5 paying languages: Clojure, F#, Elixir, Erlang, Perl
Top 5 databases: MySQL, PostgreSQL, SQLite, MongoDB, Microsoft SQL Server
Top 5 loved databases: Redis, PostgreSQL, MongoDB, Elasticsearch, Firebase
Top 5 wanted databases: PostgreSQL, MongoDB, Redis, Elasticsearch, MySQL
Top 5 dreaded databases: IBM DB2, Oracle, Couchbase, Cassandra, MySQL
Top 5 paying databases: DynamoDB, Elasticsearch, Cassandra, Redis, IBM DB2
Top 5 cloud platforms: AWS, GCP, Azure, Heroku, Digital Ocean
Top 3 loved cloud platforms: AWS, GCP, Azure
Top 3 wanted cloud platforms: AWS, GCP, Azure
Top 3 dreaded cloud platforms: IBM Cloud, Oracle Cloud, Heroku
Top 3 paying cloud platforms: AWS, Azure, GCP
Top 5 web frameworks: React.js, jQuery, Express, Angular, Vue.js
Top 5 loved web frameworks: Svelte, ASP.NET Core, FastAPI, Raact.js, Vue.js
Top 5 wanted web frameworks: React.js, Vue.js, Django, Angular, Svelte
Top 5 dreaded web frameworks: Angular.js, Drupal, jQuery, ASP.NET, Symfony
Top 5 paying web frameworks: Ruby on Rails, Svelte, ASP.NET Core, Gatsby, React.js
Top 5 libraries: .NET Framework, NumPy, .NET Core, Pandas, TensorFlow
Top 5 loved libraries: .NET Core, Flutter, PyTorch, Pandas, NumPy
Top 5 wanted libraries: TensorFlow, React Native, Flutter, PyTorch, NumPy
Top 5 dreaded libraries: Cordova, .NET Framework, Hadoop, Qt, React Native
Top 5 paying libraries: Spark, .NET Core, Hadoop, .NET Framework, NumPy
Top 5 tools: Git, Docker, Yarn, Kubernetes, Unity 3D
Top 5 loved tools: Git, Docker, Kubernetes, Terraform, Deno
Top 5 wanted tools: Docker, Git, Kubernetes, Unity 3D, Unreal Engine
Top 5 dreaded tools: Chef, Puppet, Xamarin, Flow, Unreal Engine
Top 5 paying tools: Pulumi, Terraform, Chef, Puppet, Kubernetes
Top 5 IDEs: VSCode, Visual Studio, Notepad++, IntelliJ, Vim
Top 5 loved IDEs: NeoVim, VSCode, Rider, Vim, Emacs
Top 5 wanted IDEs: VSCode, Android Studio, Xcode, IntelliJ, Vim
Top 5 dreaded IDEs: NetBeans, Eclipse, Atom, TextMate, RStudio
Top 5 paying IDEs: TextMate, Emacs, RubyMine, Rider, Vim
Top 5 OSes: Windows, Linux, macOS, WSL, BSD