# Helios

> Helios is a Java reverse engineering application with a file browser and editor. For class files it offers a choice of decompilers and disassemblers, and for other files it shows hex and plain text.

- Type: Tool
- Targets: Binary
- Category: JVM bytecode tools
- Relationship: Foundation tool
- Sources reviewed: 2026-11-07
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/helios-decompiler/standalone-app>
- Primary source: <https://github.com/helios-decompiler/standalone-app/blob/e5578fb4ad34873d2c557bcfba0f74d5c7f125d2/README.md>
- Catalog page: <https://awesomerea.org/resources/helios-decompiler/>
- Record JSON: <https://awesomerea.org/resources/helios-decompiler/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/helios-decompiler/index.md)

## Requirements & limits

- The README points downloads to the project's CI server.
- Opened files are stored in the operating system's temporary directory. Settings and packaged native libraries live in the .helios folder in the user directory.
- License: Apache-2.0.

## Primary sources

1. <https://github.com/helios-decompiler/standalone-app/blob/e5578fb4ad34873d2c557bcfba0f74d5c7f125d2/README.md>

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## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.