- 112026-11Open-source bastion host Casvisor launches with single-binary support for four protocolsOn Nov 11, 2026, a developer released Casvisor on V2EX, an open-source bastion host under the Apache-2.0 license that uses a single Go binary to handle access and auditing for SSH, RDP, VNC and Telnet. Positioned as an open-source alternative to JumpServer, the project emphasizes full functionality, single-binary deployment and integration with existing SSO. The developer decided to build it after comparing the limitations of JumpServer, Teleport, Next Terminal, Boundary and Warpgate.V2EX