Copperline
Copperline: A broad, free Amiga emulator with browser access, debugging, and rollback Netplay. Ranked #2 of 22 in Amiga Emulators by our editors (9.2/10); pricing: Free plan; best for free emulation with netplay and browser access.
At a glance
- Editor score9.2 / 10
- PricingFree plan
- Best forFree emulation with netplay and browser access
- Free planYes
- Paid fromFree
- Amiga modelsA1000, A500, A500OCS, A500Plus, A600, A1200, A3000, A4000, CDTV, CD32
- Facts checked21 Sep 2026
Where it wins
- Covers OCS, ECS, AGA, CDTV, CD32, and many Amiga profiles
- Supports browser, Windows, macOS, and Linux
- Adds save states, rewind, debugging, scripting, and rollback Netplay
Where it doesn't
- Original Commodore Kickstart ROMs must be supplied by the user
- Its broad configuration may be more than casual players need
- Some software requires original ROMs in addition to disk images
Our verdict on Copperline
Copperline is an open-source Amiga emulator written in Rust for games, demos, software development, and hardware experimentation. It runs in a browser or as a native application on macOS, Linux, and Windows. Its emulation coverage spans OCS, ECS, and AGA configurations, with machine profiles from the A1000 through the A4000, plus CDTV and CD32. That makes it a strong fit for users who want one emulator for classic software, development work, and hardware-oriented experimentation.
Its standout strength is the combination of broad system coverage and advanced control. Copperline supports save states, rewind history, rollback Netplay with spectators, and multiple floppy-image formats including ADF, ADZ, single-file ZIP, DMS, extended ADF, IPF, and SCP. Reverse debugging, register and memory inspection, command-line scripting, and JSON-RPC control give developers and technical users tools beyond basic game launching. The RetroArch/libretro core also connects Copperline with RetroArch, while Visual Studio Code is listed as an integration.
Copperline’s main consideration is ROM handling. An open-source AROS Kickstart replacement is included, but original Commodore Kickstart ROMs are not; some software requires users to supply an original ROM. Disk images and some ROMs must also be supplied by the user. Buyers who want browser access, extensive Amiga model coverage, Netplay, and debugging should find Copperline well aligned with those needs. Users seeking a simpler emulator focused only on launching a small set of games may prefer a narrower tool.
Your product? Our editors can test Copperline in depth and publish a review, labelled as paid · from $149/mo →
Copperline pricing
Copperline fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Amiga models | A1000, A500, A500OCS, A500Plus, A600, A1200, A3000, A4000, CDTV, CD32 |
| Host platforms | macOS, Linux, Windows, browser |
| Save states | Yes |
| Netplay | Yes |
| Disk image formats | ADF, ADZ, single-file ZIP, DMS, extended ADF, IPF, SCP |
| Kickstart included | No |
| Hardware acceleration | Yes |
| Deployment | Desktop |
| Platforms | Web, Windows, macOS, Linux |
| Support | Community, Docs |
| Built for | Solo, Small business (editorial estimate) |
| Integrations | 2 integrations: RetroArch, Visual Studio Code |
| Pricing | Free plan |
| Website | copperline.dev |
| Facts checked | 21 Sep 2026 |
Copperline integrations
Copperline lists 2 integrations on its own site.
- RetroArch
- Visual Studio Code
Alternatives to Copperline
- AmiberryA free, broad Amiga emulator with strong media, model, and platform support.9.4
- Amiga ForeverA broad commercial Amiga suite with licensed system files and extensive included content.8.9
- FS-UAEFree, open-source Amiga emulation with save states and synchronized online play.8.7
See all Copperline alternatives →
Copperline vs the competition
- Copperline vs Amiberry
- Copperline vs Amiga Forever
- Copperline vs FS-UAE
- Copperline vs Denise
- Copperline vs Amigo — Amiga Emulator
- Copperline vs UAE4ARM
Compare Copperline with any tool side by side →
Used Copperline? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Copperline for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
Copperline is listed in our Amiga Emulators directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/copperline/"><img src="https://www.itechguides.com/best/badge/copperline.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update