diff --git a/README.md b/README.md
index 1ed83e5..88de921 100644
--- a/README.md
+++ b/README.md
@@ -69,6 +69,9 @@ One of the following languages is set in `lang`.
 - `pas` Pascal (FPC 3.0.4)
 - `go` Go (Go 1.12)
 - `fs` F# (FSharp 4.5)
+- `c` C (GCC 8.2.0)
+- `cpp` C++ (G++ 8.2.0)
+- `cs` C# (Mono 5.18.0)
 
 ## Options
 
@@ -92,3 +95,12 @@ For Go:
 
 For F#:
 - None
+
+For C:
+- None
+
+For C++:
+- None
+
+For C#:
+- `e` evaluates a single expression instead of a module
diff --git a/docker/c/Dockerfile b/docker/c/Dockerfile
new file mode 100644
index 0000000..7ddcf4c
--- /dev/null
+++ b/docker/c/Dockerfile
@@ -0,0 +1,8 @@
+FROM alpine
+LABEL author="1Computer1"
+
+RUN apk update
+RUN apk add gcc libc-dev
+
+COPY run.sh /var/run/
+WORKDIR /var/ws
diff --git a/docker/c/run.sh b/docker/c/run.sh
new file mode 100644
index 0000000..3759528
--- /dev/null
+++ b/docker/c/run.sh
@@ -0,0 +1,2 @@
+echo "$1" > program.c
+gcc program.c -o program && ./program
diff --git a/docker/cpp/Dockerfile b/docker/cpp/Dockerfile
new file mode 100644
index 0000000..d4aefad
--- /dev/null
+++ b/docker/cpp/Dockerfile
@@ -0,0 +1,8 @@
+FROM alpine
+LABEL author="1Computer1"
+
+RUN apk update
+RUN apk add g++
+
+COPY run.sh /var/run/
+WORKDIR /var/ws
diff --git a/docker/cpp/run.sh b/docker/cpp/run.sh
new file mode 100644
index 0000000..cd796f4
--- /dev/null
+++ b/docker/cpp/run.sh
@@ -0,0 +1,2 @@
+echo "$1" > program.cpp
+g++ program.cpp -o program && ./program
diff --git a/docker/csharp/Dockerfile b/docker/csharp/Dockerfile
new file mode 100644
index 0000000..c4c42ba
--- /dev/null
+++ b/docker/csharp/Dockerfile
@@ -0,0 +1,5 @@
+FROM mono
+LABEL author="1Computer1"
+
+COPY run.sh /var/run/
+WORKDIR /var/ws
diff --git a/docker/csharp/run.sh b/docker/csharp/run.sh
new file mode 100644
index 0000000..f848c24
--- /dev/null
+++ b/docker/csharp/run.sh
@@ -0,0 +1,6 @@
+if [ "$EVAL_EXPR" = "true" ]; then
+    csharp -e "$1"
+else
+    echo "$1" > program.cs
+    csc program.cs >/dev/null && mono program.exe
+fi
diff --git a/src/languages/c.js b/src/languages/c.js
new file mode 100644
index 0000000..c33c2bc
--- /dev/null
+++ b/src/languages/c.js
@@ -0,0 +1,11 @@
+const Language = require('../struct/Language');
+
+class C extends Language {
+    constructor() {
+        super('c', {
+            aliases: ['c']
+        });
+    }
+}
+
+module.exports = C;
diff --git a/src/languages/cpp.js b/src/languages/cpp.js
new file mode 100644
index 0000000..a7a2053
--- /dev/null
+++ b/src/languages/cpp.js
@@ -0,0 +1,11 @@
+const Language = require('../struct/Language');
+
+class CPP extends Language {
+    constructor() {
+        super('cpp', {
+            aliases: ['cpp', 'c++']
+        });
+    }
+}
+
+module.exports = CPP;
diff --git a/src/languages/csharp.js b/src/languages/csharp.js
new file mode 100644
index 0000000..9b27342
--- /dev/null
+++ b/src/languages/csharp.js
@@ -0,0 +1,22 @@
+const Language = require('../struct/Language');
+
+class CSharp extends Language {
+    constructor() {
+        super('csharp', {
+            aliases: ['csharp', 'cs'],
+            options: {
+                e: () => ''
+            }
+        });
+    }
+
+    runWith(options) {
+        if (options.has('e')) {
+            return { id: this.id, env: { EVAL_EXPR: 'true' } };
+        }
+
+        return super.runWith(options);
+    }
+}
+
+module.exports = CSharp;