# Adoption Index: October 2026

Published October 8, 2026 by Torii Research (Torii). Updated October 8, 2026. Canonical URL: https://www.toriihq.com/research/reports/adoption-index-october-2026

Claude AI, Slack, and Atlassian hold the top three in October, and OpenAI makes the month's biggest move.

## What the data says

OpenAI is up 9 places to #13, the largest climb. Zoom climbs 4 places to #4.

ChatGPT is up 2 places to #5. Google Workspace (G Suite) is down 3 places to #7.

Jira is down 4 places to #19, the largest drop. Docker Hub returns to the ranking at #30.

This edition covers September 2026 usage data.

## At a glance

- Top 3: Claude AI (#1), Slack (#2), Atlassian (#3).
- Biggest climbers: OpenAI, up 9 to #13; Zoom, up 4 to #4; DocuSign, up 4 to #20.
- Biggest drops: Jira, down 4 to #19; Google Workspace (G Suite), down 3 to #7; Salesforce, down 3 to #15.

## What kinds of apps

AI-native apps: 13% (4 of the 30 apps). Share of this edition's apps by theme (one theme per app; definitions at https://www.toriihq.com/research/themes):

- Work suites and collaboration: 43% (13 apps: Slack, Atlassian, Zoom, Microsoft 365, Google Workspace (G Suite), Microsoft Teams, OneDrive, Microsoft Outlook, Jira, Microsoft Excel, Microsoft PowerPoint, Microsoft Word, Notion)
- Developer and data tools: 17% (5 apps: GitHub, Amazon Web Services (AWS), Google Cloud, Postman, Docker Hub)
- AI assistants: 13% (4 apps: Claude AI, ChatGPT, OpenAI, Google Gemini)
- Design and video: 10% (3 apps: Adobe, Figma, Canva)
- Personal productivity: 3% (1 app: Adobe Acrobat)
- Security and IT: 3% (1 app: 1Password)
- Browsers and search: 3% (1 app: Google Chrome)
- Sales, marketing, and CX: 3% (1 app: Salesforce)
- Ops, HR, and finance: 3% (1 app: DocuSign)

## Rankings

Ranked by org-level adoption. Rank change compares with the previous published edition.

| Rank | App | Category | Theme | AI-native | Rank change | Shadow IT index |
|---|---|---|---|---|---|---|
| 1 | Claude AI | Productivity | AI assistants | Yes | Same | 41 |
| 2 | Slack | Operations | Work suites and collaboration | No | Same | 30 |
| 3 | Atlassian | Project Management | Work suites and collaboration | No | Same | 35 |
| 4 | Zoom | Operations | Work suites and collaboration | No | +4 | 32 |
| 5 | ChatGPT | Productivity | AI assistants | Yes | +2 | 39 |
| 6 | Microsoft 365 | Operations | Work suites and collaboration | No | -1 | 30 |
| 7 | Google Workspace (G Suite) | IT & Security | Work suites and collaboration | No | -3 | 32 |
| 8 | GitHub | Developer Tools | Developer and data tools | No | -2 | 35 |
| 9 | Google Chrome | IT & Security | Browsers and search | No | Same | 44 |
| 10 | Adobe | Design | Design and video | No | +1 | 38 |
| 11 | Figma | Design | Design and video | No | -1 | 34 |
| 12 | Microsoft Teams | IT & Security | Work suites and collaboration | No | +1 | 45 |
| 13 | OpenAI | Productivity | AI assistants | Yes | +9 | 44 |
| 14 | Amazon Web Services (AWS) | Developer Tools | Developer and data tools | No | Same | 34 |
| 15 | Salesforce | Sales & Marketing | Sales, marketing, and CX | No | -3 | 35 |
| 16 | OneDrive | Operations | Work suites and collaboration | No | +2 | 51 |
| 17 | Adobe Acrobat | Productivity | Personal productivity | No | Same | 46 |
| 18 | Microsoft Outlook | Productivity | Work suites and collaboration | No | -2 | 46 |
| 19 | Jira | Project Management | Work suites and collaboration | No | -4 | 36 |
| 20 | DocuSign | Operations | Ops, HR, and finance | No | +4 | 38 |
| 21 | Google Cloud | Developer Tools | Developer and data tools | No | -1 | 41 |
| 22 | Microsoft Excel | Operations | Work suites and collaboration | No | -3 | 42 |
| 23 | Microsoft PowerPoint | Operations | Work suites and collaboration | No | +2 | 41 |
| 24 | Microsoft Word | Operations | Work suites and collaboration | No | -3 | 41 |
| 25 | 1Password | IT & Security | Security and IT | No | +3 | 34 |
| 26 | Google Gemini | Productivity | AI assistants | Yes | -3 | 61 |
| 27 | Notion | Project Management | Work suites and collaboration | No | +2 | 49 |
| 28 | Canva | Design | Design and video | No | -2 | 50 |
| 29 | Postman | Developer Tools | Developer and data tools | No | +1 | 49 |
| 30 | Docker Hub | Developer Tools | Developer and data tools | No | New | 50 |

## Method

Anonymized, aggregated usage data from companies across industries and sizes, reported as percentages, ranks, and scores. No single organization is identifiable. Methodology: https://www.toriihq.com/research/methodology

## Changelog



## How to cite

Torii Research. (2026, October 8). Adoption Index: October 2026 [Data set]. Torii. https://www.toriihq.com/research/reports/adoption-index-october-2026

Data: https://www.toriihq.com/research/data/adoption-index-october-2026.csv and https://www.toriihq.com/research/data/adoption-index-october-2026.json