# Apache Traffic Server

- **Canonical URI:** https://www.vioscale.ai/software/apache-traffic-server
- **Category:** Reverse Proxies
- **Homepage:** https://trafficserver.apache.org
- **Also known as:** apache-traffic-server
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-26T19:26:58.519Z

## Vioscale score

**75.8 / 100**, confidence 15% (low). Computed 2026-09-01.

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 100 | 0.052 | 5.2 | ✓ |
| reliability | 0 | 0.073 | 0 | - |
| capabilities | 0 | 0.084 | 0 | - |
| repo_stars | 62.2 | 0.026 | 1.6 | ✓ |
| integrations | 0 | 0.09355555555555557 | 0 | - |
| dependent_projects | 0 | 0.063 | 0 | - |
| dev_activity | 63.1 | 0.094 | 5.9 | ✓ |
| release_cadence | 0 | 0.052 | 0 | - |
| security_posture | 5 | 0.073 | 0 | - |
| package_downloads | 0 | 0.136 | 0 | - |
| security_score | 74 | 0.042 | 3.1 | ✓ |
| pricing_transparency | 80 | 0.084 | 6.7 | ✓ |
| community_qa_activity | 0 | 0.063 | 0 | - |

## Pricing

_As of 2026-08-19, [verify at source](https://trafficserver.apache.org). Independently observed._

Open source · Free tier

## About

An open-source proxy that caches and forwards HTTP traffic at scale. Supports HTTP/1.1 and HTTP/2 protocols with extensible plugin APIs, deployed by major CDNs and content providers worldwide.

_Independently observed._

## Platform & deployment
- **Deployment:** Self-hosted

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | yes | [link](https://trafficserver.apache.org) | 2026-08-19 | 60% (medium) |
| pricing.price_level | free | [link](https://trafficserver.apache.org) | 2026-08-19 | 60% (medium) |
| pricing.transparent | yes | [link](https://trafficserver.apache.org) | 2026-08-19 | 60% (medium) |
| pricing.model | commercial | [link](https://trafficserver.apache.org) | 2026-08-26 | 40% (low) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.disclosure_policy | yes | [link](https://trafficserver.apache.org) | 2026-08-19 | 60% (medium) |
| security.scorecard | 7.4 | [link](https://api.securityscorecards.dev/projects/github.com/apache/trafficserver) | 2026-08-26 | 90% (high) |

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 100 | [link](https://github.com/apache/trafficserver/pulse) | 2026-08-26 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 1,977 | [link](https://github.com/apache/trafficserver) | 2026-08-26 | 90% (high) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | C++ | [link](https://github.com/apache/trafficserver) | 2026-08-26 | 90% (high) |

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | Apache-2.0 | [link](https://github.com/apache/trafficserver) | 2026-08-26 | 95% (high) |

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*Source: Vioscale (https://www.vioscale.ai/software/apache-traffic-server). Independent, evidence-based software intelligence. Cite the canonical URI.*