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This category contains documentation topics explaining LaunchDarkly’s server-side SDKs.

Server-side SDKs

Additional resources

SDKSample applicationsSDK API documentationGitHub repositoryPackage manager
.NET (server-side)hello-dotnet-server .NET (server-side) SDK API docs.NET (server-side) SDKNuGet
Apexhello-apex-serverApex SDK API docsapex-server-sdkNone
C++ (server-side)hello-cpp-serverC++ (server-side) SDK API docscpp-sdksNone
Erlanghello-erlang (Erlang)
hello-elixir (Elixir)
hello-phoenix (Phoenix framework)
Erlang SDK API docserlang-server-sdkHex
Gohello-goGo SDK API docsgo-server-sdkgopkg.in
Haskellhello-haskell-serverHaskell SDK API docshaskell-server-sdkHackage
Javahello-java (Java)
You can also use this SDK with Kotlin
Java SDK API docsjava-server-sdkMaven
Luahello-lua-server (Lua)
hello-haproxy (Lua with HAProxy)
hello-nginx (Lua with NGINX)
Lua SDK API docslua-server-sdkLuaRocks
Node.js (server-side)hello-node-server (JavaScript)
hello-node-typescript (TypeScript)
hello-bootstrap (JavaScript, server-side bootstrapping example)
Node.js (server-side) SDK API docsnode-server-sdknpm
PHPhello-phpPHP SDK API docsphp-server-sdkPackagist
Pythonhello-python-server (Python)
hello-r (R)
Python SDK API docspython-server-sdkPyPI
Rubyhello-ruby (Ruby)
hello-bootstrap-rails (Rails server-side bootstrapping example)
Ruby SDK API docsruby-server-sdkRubyGems
Rusthello-rustRust SDK API docsrust-server-sdkcrates.io