Donut Browser alternative
AliasMode vs Donut Browser: A Free Open-Source Alternative
Both apps are open source. The difference is the engine. AliasMode Firefox, the AliasMode antidetect engine, is public under MPL-2.0. Donut Browser runs Wayfern, a Chromium engine whose source is closed.
Direct answer
Choose AliasMode if you want an antidetect browser you can fully audit: the app and the AliasMode Firefox engine are both open source, and MCP, scripts, the Local API, and Cloud sync are free. Choose Donut Browser if you need a native macOS or Linux installer today, or its WireGuard-per-profile support.
AliasMode vs Donut Browser
| Criterion | AliasMode | Donut Browser | Evidence |
|---|---|---|---|
| Antidetect engine source | AliasMode Firefox is open source under MPL-2.0, with every fingerprint patch public. Chromium profiles use CloakBrowser. | Wayfern, a Chromium-based engine. The Donut Browser site describes it as proprietary and closed source. | Donut Browser · checked September 2026 |
| App source | Desktop app, Local API, and MCP server are Apache-2.0. | App is AGPL-3.0. Paid plans add a commercial license. | Donut Browser · checked September 2026 |
| Price | Every feature is free with unlimited profiles, in Local and Cloud mode. | Free tier with unlimited profiles. Paid tiers unlock automation APIs, MCP tooling, and encrypted cloud backup. | Donut Browser · checked September 2026 |
| AI agents and MCP | Local stdio MCP and Remote MCP for Claude, ChatGPT, and Codex are free. | Remote MCP is part of the paid Pro tier. | Donut Browser · checked September 2026 |
| Automation | Scripts in JavaScript or Python, the AliasMode Local API (AdsPower-compatible), and Playwright over CDP. | Local REST API on the free tier; wider automation APIs on paid tiers. | Donut Browser · checked September 2026 |
| Teams and sync | Free Cloud workspace with owner and member roles, device revocation, and Trash. | Self-hostable encrypted sync. Team collaboration features are proprietary. | Donut Browser · checked September 2026 |
| Platforms | Windows installer. macOS runs from source. The AliasMode Firefox engine ships for Windows, macOS Apple Silicon, and Linux. | Native builds for macOS, Windows, and Linux. | Donut Browser · checked September 2026 |
Who should choose each product?
Choose AliasMode when
- You want an open-source antidetect engine, not only an open-source launcher.
- You need MCP and automation without a paid plan.
- You want free Cloud sync for a team.
- You want Firefox and Chromium engines in one app.
Choose Donut Browser when
- You need a native macOS or Linux installer today.
- You want WireGuard VPN per profile.
- You want to self-host sync.
Migration plan
Move one verified workflow at a time and keep the original data until every check passes.
- List your Donut Browser profiles, proxies, and groups.
- Export cookies and proxy details for each account you move.
- Create matching AliasMode profiles and choose AliasMode Firefox or Chromium per profile.
- Import the proxies, then sign in to each account again through its normal login.
- Check one full workflow before you move the rest.
An open app is not an open engine
The antidetect engine decides what websites see: the fingerprint, the leaks, and the network behavior. An open-source launcher around a closed engine still asks you to trust the part that matters most. AliasMode publishes both the app and the AliasMode Firefox engine, so you can check the whole stack.
Sources and verification
- Donut Browser · Donut Browser homepage and plans (checked September 2026)
- Donut Browser · Donut Browser GitHub repository (checked September 2026)
- AliasMode · AliasMode Firefox engine repository (checked September 2026)
Public product details can change after the check date. Facts are re-checked on a monthly cycle.
Official product evidence
- Donut Browser · Donut Browser homepage and plans (checked September 2026)
- Donut Browser · Donut Browser GitHub repository (checked September 2026)
- AliasMode · AliasMode Firefox engine repository (checked September 2026)
Public product details can change after the check date. Facts are re-checked on a monthly cycle.