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Up to three tools. The table shows the data as-is, without picking a “best”.
| Field | D2 | Jujutsu (jj) | Gatus |
|---|---|---|---|
| Platforms | Universal | Universal | Universal |
| Local support | Yes | Yes | Yes |
| Paid API | No | No | No |
| License | MPL-2.0 | Apache-2.0 | Apache-2.0 |
| Stars | 25761 | 32304 | 12447 |
| Last activity | October 11, 2026 | October 28, 2026 | September 24, 2026 |
| Install complexity | Easy with a supported package manager; Homebrew must already be installed for this command. Official binaries, Windows, Linux, and source options are documented. | CLI | سهل إلى متوسط / Easy to moderate |
| Category | Workflow, UI | Git, Workflow | Security, DevOps |
| Best use | For developers and small teams that want architecture and data-flow diagrams close to the repository and reviewable as text. Use it when relationships matter more than pixel-perfect placement; not for free-form marketing design or exact manual positioning. | For developers reviewing features as small changes and revisiting earlier steps. Start with a separate practice clone to learn working copies and Bookmarks; delay team adoption until compatibility with required Git tooling is checked. | Best for an individual developer or small team that wants self-hosted website, API, DNS, and certificate checks with a status page and threshold-based alerts. It combines active checks and simple history in one service. It does not replace resource monitoring, logs, or distributed tracing. |