| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Linux | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 1 |
| Spec score · Process Monitoring Software | 7.8 (#11) | 7.2 (#23) |
| Integrations | The NVIDIA backend uses NVML from the GPU driver and can optionally use NvAPI for additional clock-domain information. | Related projects include s6-linux-init, s6-rc, s6-frontend, and s6-overlay for Docker images. |
| License | NVTOP is licensed under GPLv3 or any later version. | s6 is free software available under the ISC license. |
| Purpose | NVTOP is a htop-like task monitor for GPUs and accelerators that can display information about multiple devices. | s6 is a small suite of UNIX programs for process supervision and low-level administration of processes and services. |
| Security | GitHub reports that the repository has no SECURITY.md policy and no published security advisories. | The s6 page describes the suite as small and secure and lists utilities for access control and privilege handling; it does not state a security certification. |