diff --git a/Android.gitignore b/Android.gitignore
index e5df7b9150e27e777ab823d908906e0adbcd8bc0..935ceef0680bdc5d33b9be9117d60300098a8b51 100644
--- a/Android.gitignore
+++ b/Android.gitignore
@@ -39,3 +39,6 @@ captures/
 
 # Keystore files
 *.jks
+
+# External native build folder generated in Android Studio 2.2 and later
+.externalNativeBuild
diff --git a/C.gitignore b/C.gitignore
index 6c0ea0c59298901d1e001ac7846c87b1a9a97f85..8a365b3d82974d95aca80a3b845a7b7b3527e5c4 100644
--- a/C.gitignore
+++ b/C.gitignore
@@ -41,3 +41,11 @@
 *.su
 *.idb
 *.pdb
+
+# Kernel Module Compile Results
+*.mod*
+*.cmd
+modules.order
+Module.symvers
+Mkfile.old
+dkms.conf
diff --git a/Erlang.gitignore b/Erlang.gitignore
index 8e46d5a07f8ffd5032ba920be8a26fe64b650535..3826c85736f8cc3ddbc97449ba3b784a4370428e 100644
--- a/Erlang.gitignore
+++ b/Erlang.gitignore
@@ -4,7 +4,7 @@ deps
 *.beam
 *.plt
 erl_crash.dump
-ebin
+ebin/*.beam
 rel/example_project
 .concrete/DEV_MODE
 .rebar
diff --git a/Global/Ansible.gitignore b/Global/Ansible.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..a8b42eb6eed1d00740f6dd332a49c2add9cf6c40
--- /dev/null
+++ b/Global/Ansible.gitignore
@@ -0,0 +1 @@
+*.retry
diff --git a/Global/JetBrains.gitignore b/Global/JetBrains.gitignore
index ea83a5eb620684a6c672e78fd2f0fe66d3410fd9..0a254147875173d9bf25903d5e1d837b6cdd3561 100644
--- a/Global/JetBrains.gitignore
+++ b/Global/JetBrains.gitignore
@@ -4,9 +4,6 @@
 # User-specific stuff:
 .idea/workspace.xml
 .idea/tasks.xml
-.idea/dictionaries
-.idea/vcs.xml
-.idea/jsLibraryMappings.xml
 
 # Sensitive or high-churn files:
 .idea/dataSources.ids
diff --git a/Global/Linux.gitignore b/Global/Linux.gitignore
index cc9586893b6ed581866f0ccbea4584b6abd59a7a..b56bf65d85583b03eeccfaa2a927084583a33e91 100644
--- a/Global/Linux.gitignore
+++ b/Global/Linux.gitignore
@@ -8,3 +8,6 @@
 
 # Linux trash folder which might appear on any partition or disk
 .Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
diff --git a/Go.gitignore b/Go.gitignore
index cd0d5d1e2f4c7647a1bcca8b8927242c3831e6fb..397a0ed4acb63ede454a58674a75984d0ba18308 100644
--- a/Go.gitignore
+++ b/Go.gitignore
@@ -25,3 +25,6 @@ _testmain.go
 
 # Output of the go coverage tool, specifically when used with LiteIDE
 *.out
+
+# external packages folder
+vendor/
diff --git a/Node.gitignore b/Node.gitignore
index bf7525f991213f3fa92266d13c849a5d2717bc94..bc7fc55724c152c385ba6264ca6bf4ebf2e680fb 100644
--- a/Node.gitignore
+++ b/Node.gitignore
@@ -39,3 +39,6 @@ jspm_packages
 
 # Optional REPL history
 .node_repl_history
+
+# Output of 'npm pack'
+*.tgz
diff --git a/Rust.gitignore b/Rust.gitignore
index cb14a420640b9af2da76a8a73650fba0929bfeb8..50281a44270e0fe457f02c7c9edebe234eaa708d 100644
--- a/Rust.gitignore
+++ b/Rust.gitignore
@@ -5,3 +5,6 @@
 # Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
 # More information here http://doc.crates.io/guide.html#cargotoml-vs-cargolock
 Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
diff --git a/VisualStudio.gitignore b/VisualStudio.gitignore
index d56f8b532889e73e92aafe28695b83e82adb9f60..1b86e7ec9181af321f345052de570448b20552fb 100644
--- a/VisualStudio.gitignore
+++ b/VisualStudio.gitignore
@@ -110,6 +110,10 @@ _TeamCity*
 # DotCover is a Code Coverage Tool
 *.dotCover
 
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
 # NCrunch
 _NCrunch_*
 .*crunch*.local.xml
@@ -189,6 +193,7 @@ ClientBin/
 *~
 *.dbmdl
 *.dbproj.schemaview
+*.jfm
 *.pfx
 *.publishsettings
 node_modules/
@@ -258,3 +263,6 @@ paket-files/
 # Python Tools for Visual Studio (PTVS)
 __pycache__/
 *.pyc
+
+# Cake - Uncomment if you are using it
+# tools/