# DevOps & Feature Mgmt: the tools companies use

48 companies on usedby use at least one of the 2 tools in this category with a public customer. Harness leads with 41 companies. Counts are of companies on usedby, not of the whole market. Latest check 2026-10-07: 48 of 48 public lines checked.

> Deployment automation and feature flag management

Family: [Engineering & Data](https://www.usedby.ai/tools/category/engineering-data.md)

## Ranking

Public customers count every public line, job-post signals included; ties share a rank.

| Rank | Tool | Public customers | Confirmed | Observed | Signals |
|---|---|---|---|---|---|
| 1 | [Harness](https://www.usedby.ai/tools/harness.md) | 41 | 39 | 2 | 0 |
| 2 | [Traversal](https://www.usedby.ai/tools/traversal.md) | 7 | 6 | 1 | 0 |

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Source: https://www.usedby.ai/tools/category/devops-feature-mgmt · How we check: https://www.usedby.ai/methodology