| Tool | Description | Link |
|---|---|---|
| Recaf | Recaf is a "modern" Java bytecode editor, and is consistently updated. It has multiple included decompilers, a simplified bytecode format with its assembler, and many more features. | Recaf |
| JByteMod-Beta | JByteMod-Beta is a Java bytecode editor that supports up to java 11. | JByteMod-Beta |
| Cafebabe | Cafebabe is a rewrite of JByteMod that supports up to java 11. | JByteMod-Beta |
| ReJ | ReJ is a Java bytecode editor that supports up to Java 7. | ReJ |
| DirtyJOE | DirtyJOE is a java bytecode editor that supports up to Java 8. | DirtyJOE |
| JBE | JBE (Java Bytecode Editor) is an older java bytecode editor. It supports up to Java 6. | JBE |
| Jasmin | Jasmin is an assembler for class files. | Jasmin |
| Jasm | Jasm is a library/assembler for class files. It is similar to Jasmin but offers a few additional features. | Jasm |