Maven/Java:

• pom.xml
• ivy.xml
• *.gradle
• build.sbt

Rubygems:

• Gemfile.lock
• example.gemspec

Pypi:

• requirements.txt
• setup.py
• req*.txt
• req*.pip
• requirements/*.txt
• requirements/*.pip
• buildout.cfg and versions.cfg,
• tox.ini

Packagist:

• composer.lock (json)

Cocoapods:

• Podfile
• Podfile.lock (yaml)
• *.podspec https://github.com/AFNetworking/AFNetworking/blob/master/AFNetworking.podspec

Clojars

• project.clj (clojure map)

Hex/Elixir:

• mix.exs
• mix.lock (elixir map?)

D/Dub:

• dub.json

Nim/Nimble:

• example.nimble (init/toml?)

Rust/Cargo:

• Cargo.toml
• Cargo.lock (also toml)

Meteor:

• versions.json (json)
• package.js (js

Haskell/Hackage:

• example.cabal

Dart/Pub:

• pubspec.yaml
• pubspec.lock (yaml?)

Lua:

• example.rockspec lua?

Elm:

• elm-stuff/exact-dependencies.json

Carthage:

• Cartfile
• Cartfile.private
• Cartfile.resolved

Julia

• REQUIRE

PlatformIO

• platformio.ini (docs)

Nuget

• Packages.config
• Project.json
• Project.lock.json
• example.nuspec

CRAN

• DESCRIPTION
• packages.R?

CPAN

• cpanfile
• META.json
• META.yml
• dist.ini