Open-source alternatives to TeamViewer

Developer & Infra · 3 free & open-source options

Looking to replace TeamViewer with something free and open-source? These 3 tools are the best open alternatives in 2026 — most are self-hostable, so you keep full control of your data and pay no subscription.

RustDesk ›AGPL-3.0
Full remote desktop with your own relay server, no accounts needed.
MeshCentral ›Apache-2.0
Web-based remote management for entire device fleets.
Remote control and scripting built on .NET.

FAQ

What is the best open-source alternative to TeamViewer?

The top open-source alternative is RustDesk — Full remote desktop with your own relay server, no accounts needed. The full ranked list is above.

Are these TeamViewer alternatives free?

Yes. Every tool listed is open-source and free to use; most can be self-hosted so you keep full control of your data.

Can I self-host an alternative to TeamViewer?

Most of these tools are designed to run on your own server or machine, giving you privacy and no subscription fees.

More open-source alternatives

Browse open-source replacements for dozens of popular tools — design, productivity, dev, analytics and more.

See all alternatives →