head to head · open source
PentestGPT vs emba
PentestGPT has 16,262 GitHub stars, 2,845 forks, 81 open issues and last shipped 4 months ago. emba has 3,749 stars, 344 forks, 13 open issues and last shipped yesterday. PentestGPT leads on adoption by 334% (16,262 vs 3,749 stars). PentestGPT is written in Python under MIT; emba is written in Shell under GPL-3.0. PentestGPT has attracted 17% as many forks as stars, emba 9%. emba was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (penetration-testing), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| PentestGPT | emba | |
|---|---|---|
| GitHub stars | ★ 16K | ★ 3.7K |
| License | MIT | GPL-3.0 |
| Written in | Python | Shell |
| Last push | 2026-07-14 | 2026-11-03 |
| Forks | ⑂ 2.8K | ⑂ 344 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick PentestGPT if
- You weight community size — 16K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick emba if
- You want the emba feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Shell
- You evaluated both and emba fits your workflow better
About PentestGPT
[![Contributors][contributors shield]][contributors url] [![Forks][forks shield]][forks url] [![Stargazers][stars shield]][stars url] [![Issues][issues shield]][issues url] [![MIT License][license shield]][license url] [![Discord][discord shield]][discord url] PentestGPT AI Powered Autonomous Penetration Testing Agent Published at USENIX Security 2024 Official Website: pentestgpt.com » Research Paper · Report Bug · Request Feature Demo Installation Watch on YouTube PentestGPT in Action Watch on YouTube What's New in v1.0 (Agentic Upgrade) Multi Stage Pipeline The agent works through staged phases (recon →…
read the full PentestGPT overview →
About emba
EMBA The security analyzer for firmware of embedded devices EMBA is designed as the central firmware analysis and SBOM tool for penetration testers, product security teams, developers and responsible product managers. It supports the complete security analysis process starting with firmware extraction , doing static analysis and dynamic analysis via emulation, building the SBOM and finally generating a web based vulnerability report. EMBA automatically discovers possible weak spots and vulnerabilities in firmware. Examples are insecure binaries, old and outdated software components, potentially vulnerable…
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Frequently asked questions
Is PentestGPT or emba more popular?
PentestGPT has 16,262 GitHub stars and emba has 3,749. PentestGPT has the larger community by that measure.
Are PentestGPT and emba free?
Both are open source. PentestGPT is licensed under MIT and emba under GPL-3.0. Neither carries a licence fee.
What is the difference between PentestGPT and emba?
PentestGPT is written in Python and emba in Shell. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, PentestGPT or emba?
Choose PentestGPT if you want the larger community (16,262 stars) or its MIT licence terms. Choose emba if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.