Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC and RDP. We call it clientless because no plugins or client software are required.


The best open source alternative to strongDM is Apache Guacamole. If that doesn't suit you, our users have ranked nine alternatives to strongDM and six of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to strongDM are Cardea, Warpgate Bastion, Bastillion and Gravitational Teleport.
Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC and RDP. We call it clientless because no plugins or client software are required.


Cardea is an SSH bastion server with access control, session recording, and optional TPM-backed key protection, designed for small and mid-sized teams that manage infrastructure through code. Access rules live in a text file, so they can be reviewed in pull requests and...
Warpgate is a smart SSH, HTTPS, Kubernetes, MySQL and PostgreSQL bastion host for Linux that doesn't need special client apps.




Bastillion is an open-source web-based SSH console that centrally manages administrative access to systems. It acts as a bastion host for administrators with features that promote infrastructure security.

Teleport is an identity-aware, multi-protocol access proxy which understands SSH, HTTPS, RDP, Kubernetes API, MySQL, MongoDB and PostgreSQL wire protocols.

Boundary is a software solution that facilitates access to applications and vital systems through fine-grained authorizations. It operates on an identity-based access model, eliminating the need to manage credentials or expose your network.