# Gliffy vs PlantUML

**Leader by vioscaleAI score:** Gliffy

| Attribute | Gliffy | PlantUML |
|---|---|---|
| **vioscaleAI score** | 68.3 (54% (medium)) | 52.7 (42% (low)) |
| activity.commits_last_30d | - | 100 |
| adoption.dependent_repos | - | 1 |
| adoption.github_stars | - | 13,323 |
| content.faq | `[{"answer":"A diagramming application integrated natively into Confluence that enables teams to create, edit, and collaborate on flowcharts, UML diagrams, BPMN diagrams, and other technical visualizations within documentation pages. Diagrams remain stored in Confluence with secure permission management and no external tools required. It is indexed under Diagramming.","source":"https://www.gliffy.com/pricing","question":"What is Gliffy?","confidence":0.6},{"answer":"Gliffy offers a free tier, so you can start without paying. Paid plans start at $2.80 per user per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://www.gliffy.com/pricing","question":"Is Gliffy free?","confidence":0.6},{"answer":"We have confirmed browser-based access to Gliffy. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://www.gliffy.com/pricing","question":"What platforms does Gliffy support?","confidence":0.6},{"answer":"Yes. Gliffy can be deployed cloud / SaaS and on-premise, so it does not have to run on the vendor's infrastructure.","source":"https://www.gliffy.com/pricing","question":"Can Gliffy be self-hosted?","confidence":0.6},{"answer":"We have confirmed 6 integrations for Gliffy, including Confluence, Jira, Atlassian Marketplace, Microsoft Visio, draw.io and Stripe. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.gliffy.com/pricing","question":"What does Gliffy integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for Gliffy. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Gliffy not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.gliffy.com/security","question":"What security certifications does Gliffy have?","confidence":0.7}]` | `[{"answer":"An open-source application that generates visual diagrams from plain text descriptions. It enables users to create various diagram types including UML diagrams (sequence, class, activity, deployment) and other formats such as JSON, YAML, and EBNF, with browser-based editing and real-time preview. It is indexed under Diagramming.","source":"https://plantuml.com","question":"What is PlantUML?","confidence":0.6},{"answer":"PlantUML is open source, so it can be self-hosted and used at no licence cost. It is released under the LGPL-3.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://plantuml.com","question":"Is PlantUML free to use?","confidence":0.6},{"answer":"We have confirmed browser-based access to PlantUML. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://plantuml.com","question":"What platforms does PlantUML support?","confidence":0.6},{"answer":"Yes. PlantUML can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://plantuml.com","question":"Can PlantUML be self-hosted?","confidence":0.6},{"answer":"We have confirmed 4 integrations for PlantUML, including GitHub, Dokuwiki, Asciidoc and Markdown. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://plantuml.com","question":"What does PlantUML integrate with?","confidence":0.6},{"answer":"Yes. PlantUML is published under the LGPL-3.0 licence, a copyleft licence, so check its terms before embedding it in a closed-source product. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/plantuml/plantuml","question":"Is PlantUML open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true,"on_prem":true,"air_gapped":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | A diagramming application integrated natively into Confluence that enables teams to create, edit, and collaborate on flowcharts, UML diagrams, BPMN diagrams, and other technical visualizations within documentation pages. Diagrams remain stored in Confluence with secure permission management and no external tools required. | A platform for software teams to generate UML diagrams and documentation. Available as a web-based tool with a GitHub browser extension and self-hosted deployment options. |
| features.capabilities | `{"iso_27001":false,"soc2_type_ii":true,"pricing_model":"per_seat_subscription","deployment_model":"cloud_saas","slack_ms_teams_chat_embeds":false,"data_linked_shapes_excel_sync":false,"uml_and_erd_logic_enforcement":true,"visio_vsdx_file_import_export":true,"confluence_jira_atlassian_embeds":true,"google_workspace_office_365_sync":false,"bpmn_business_process_modeling_standard":true,"collaborative_multiplayer_real_time_editing":true,"aws_azure_automated_cloud_architecture_import":false}` | `{"deployment_model":"cloud_saas","uml_and_erd_logic_enforcement":true}` |
| integrations.count | 6 | 4 |
| integrations.list | `[{"name":"Confluence"},{"name":"Jira"},{"name":"Atlassian Marketplace"},{"name":"Microsoft Visio"},{"name":"draw.io"},{"name":"Stripe"}]` | `[{"name":"GitHub","native":true},{"name":"Dokuwiki","native":true},{"name":"Asciidoc","native":true},{"name":"Markdown","native":true}]` |
| language.primary | - | Java |
| license.spdx | - | LGPL-3.0 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"subscription","plans":[{"free":true,"name":"Gliffy Diagrams for Confluence (Up to 10 Users)","summary":"Free for up to 10 users, no time limit","features":["Native Confluence integration","Unlimited diagrams","Intuitive drag-and-drop interface","Secure permission management through Confluence","Create flowcharts, UML diagrams, BPMN diagrams, network diagrams, Mermaid diagrams","Export diagrams in multiple formats (JPEG, PNG, SVG)","Import Microsoft Visio and draw.io diagrams"],"minSeats":1,"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Free tier for small teams","contactSales":false,"includedLimits":{"users":"10"}},{"free":false,"name":"Gliffy Diagrams for Confluence (11-100 Users)","summary":"$3.80 per user per month, billed annually","features":["Native Confluence integration","Unlimited diagrams","Intuitive drag-and-drop interface","Secure permission management through Confluence","Create flowcharts, UML diagrams, BPMN diagrams, network diagrams, Mermaid diagrams","Export diagrams in multiple formats (JPEG, PNG, SVG)","Import Microsoft Visio and draw.io diagrams"],"minSeats":11,"commitment":"annual","components":[{"kind":"per_unit","unit":"seat","amount":3.8,"period":"month","currency":"USD"}],"description":"Standard plan for growing teams","contactSales":false},{"free":false,"name":"Gliffy Zero Egress | Compliance-Ready Diagramming","summary":"From $2.80 per user per month for compliance-regulated teams","features":["No diagram data leaves Atlassian environment","Compatible with Atlassian Government Cloud and Isolated Cloud","ITAR, GDPR, HIPAA, SOC 2 Compliance"],"minSeats":1,"components":[{"kind":"per_unit","unit":"seat","amount":2.8,"period":"month","currency":"USD"}],"description":"Specialized plan for compliance-focused teams","contactSales":false},{"free":false,"name":"Enterprise","features":["All standard features","Custom negotiated terms"],"description":"Custom plan for large organizations","contactSales":true}],"summary":"Free tier for up to 10 users. From $2.80/user/month for compliance-focused deployments; $3.80/user/month for standard plans. Annual billing available. Contact for enterprise pricing.","currency":"USD","freeTier":true,"sourceUrl":"https://www.gliffy.com/pricing","retrievedAt":"2026-08-25T08:30:13.859Z","freeTrialDays":30,"startingPrice":{"unit":"seat","amount":2.8,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"type":"hybrid","plans":[{"free":false,"name":"$1 monthly sponsorship","summary":"$1/month","features":["Ad-free plantuml.com access"],"commitment":"monthly","components":[{"kind":"fixed","amount":1,"period":"month","currency":"USD"}],"description":"Ad-free access to plantuml.com","contactSales":false},{"free":false,"name":"$5 monthly sponsorship","summary":"$5/month","features":["Support for PlantUML source code development"],"commitment":"monthly","components":[{"kind":"fixed","amount":5,"period":"month","currency":"USD"}],"description":"Support PlantUML development","contactSales":false}],"summary":"Free with ads. Sponsorship from $1/month for ad-free access.","currency":"USD","freeTier":true,"sourceUrl":"https://plantuml.com","retrievedAt":"2026-09-18T12:36:04.302Z","startingPrice":{"amount":1,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | low | low |
| pricing.starting_price | `{"amount":2.8,"currency":"USD"}` | `{"amount":1,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 12 |
| release.history | - | `[{"url":"https://github.com/plantuml/plantuml/releases/tag/snapshot","date":"2026-09-17T22:06:15Z","type":"prerelease","version":"snapshot"},{"url":"https://github.com/plantuml/plantuml/releases/tag/v1.2026.8","date":"2026-09-05T16:45:11Z","type":"stable","version":"v1.2026.8"},{"url":"https://github.com/plantuml/plantuml/releases/tag/v1.2026.7","date":"2026-08-25T09:47:08Z","type":"stable","version":"v1.2026.7"},{"url":"https://github.com/plantuml/plantuml/releases/tag/v1.2026.6","date":"2026-06-08T16:12:09Z","type":"stable","version":"v1.2026.6"},{"url":"https://github.com/plantuml/plantuml/releases/tag/v1.2026.5","date":"2026-05-27T17:45:28Z","type":"stable","version":"v1.2026.5"},{"url":"https://github.com/plantuml/plantuml/releases/tag/v1.2026.4-native","date":"2026-05-20T20:43:33Z","type":"stable","version":"v1.2026.4-native"},{"url":"https://github.com/plantuml/plantuml/releases/tag/v1.2026.4","date":"2026-05-20T20:29:47Z","type":"stable","version":"v1.2026.4"},{"url":"https://github.com/plantuml/plantuml/releases/tag/v1.2026.3-native","date":"2026-05-08T16:30:48Z","type":"stable","version":"v1.2026.3-native"},{"url":"https://github.com/plantuml/plantuml/releases/tag/v1.2026.3","date":"2026-05-08T16:15:36Z","type":"stable","version":"v1.2026.3"},{"url":"https://github.com/plantuml/plantuml/releases/tag/snapshot-native","date":"2026-03-18T11:22:24Z","type":"prerelease","version":"snapshot-native"},{"url":"https://github.com/plantuml/plantuml/releases/tag/v1.2026.2-native","date":"2026-02-27T18:04:02Z","type":"stable","version":"v1.2026.2-native"},{"url":"https://github.com/plantuml/plantuml/releases/tag/v1.2026.2","date":"2026-02-27T17:49:53Z","type":"stable","version":"v1.2026.2"},{"url":"https://github.com/plantuml/plantuml/releases/tag/v1.2026.1","date":"2026-01-18T12:01:24Z","type":"stable","version":"v1.2026.1"},{"url":"https://github.com/plantuml/plantuml/releases/tag/v1.2026.0","date":"2026-01-09T17:40:22Z","type":"stable","version":"v1.2026.0"},{"url":"https://github.com/plantuml/plantuml/releases/tag/v1.2025.10","date":"2025-11-04T17:36:10Z","type":"stable","version":"v1.2025.10"},{"url":"https://github.com/plantuml/plantuml/releases/tag/v1.2025.9","date":"2025-10-18T13:06:18Z","type":"stable","version":"v1.2025.9"},{"url":"https://github.com/plantuml/plantuml/releases/tag/v1.2025.8","date":"2025-10-04T18:05:58Z","type":"stable","version":"v1.2025.8"},{"url":"https://github.com/plantuml/plantuml/releases/tag/v1.2025.7","date":"2025-09-08T21:11:34Z","type":"stable","version":"v1.2025.7"},{"url":"https://github.com/plantuml/plantuml/releases/tag/v1.2025.6","date":"2025-09-08T17:58:30Z","type":"stable","version":"v1.2025.6"},{"url":"https://github.com/plantuml/plantuml/releases/tag/v1.2025.5","date":"2025-09-08T16:17:18Z","type":"stable","version":"v1.2025.5"}]` |
| security.certifications | `[{"name":"SOC 2 Type II","level":"Type II","status":"active"},{"name":"ISO 42001","status":"active"},{"name":"Atlassian Enterprise Certified","status":"active"}]` | - |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.scorecard | - | 5.2 |
| security.soc2 | yes | - |
| security.trust_center | https://www.gliffy.com/security | - |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fplantuml%2Fplantuml&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Diagramming)

| Capability | Gliffy | PlantUML |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Deployment model | Cloud saas | Cloud saas |
| Uml and erd logic enforcement | ✓ | ✓ |
| Bpmn business process modeling standard | ✓ | - |
| Aws azure automated cloud architecture import | ✗ | - |
| Data linked shapes excel sync | ✗ | - |
| Visio vsdx file import export | ✓ | - |
| Collaborative multiplayer real time editing | ✓ | - |
| Confluence jira atlassian embeds | ✓ | - |
| Google workspace office 365 sync | ✗ | - |
| Slack ms teams chat embeds | ✗ | - |
| SOC2 type ii | ✓ | - |
| ISO 27001 | ✗ | - |
| Pricing model | Per seat subscription | - |

*Source: vioscaleAI. Generated 2026-10-16T19:19:43.750Z. "-" = undocumented, not absent.*