diff --git a/more/free-programming-playgrounds.md b/more/free-programming-playgrounds.md
index e4e58271..348edcfc 100644
--- a/more/free-programming-playgrounds.md
+++ b/more/free-programming-playgrounds.md
@@ -47,6 +47,8 @@
 
 ### <a name="c"></a>C
 
+* [JDoodle - Online C Compiler IDE](https://www.jdoodle.com/c-online-compiler/)
+* [Programiz - Online C Compiler](https://www.programiz.com/c-programming/online-compiler/)
 * [SoloLearn](https://code.sololearn.com/c)
 
 
@@ -134,6 +136,9 @@
 
 ### Java
 
+* [JDoodle - Online Java Compiler Advanced IDE](https://www.jdoodle.com/online-java-compiler-ide/)
+* [JDoodle - Online Java Compiler IDE](https://www.jdoodle.com/online-java-compiler/)
+* [Programiz - Online Java Compiler](https://www.programiz.com/java-programming/online-compiler/)
 * [repl.it](https://repl.it) (_including a separate Java/Swing_)
 * [SoloLearn](https://code.sololearn.com/java)