Comparison

Gliffy vs PlantUML

On the evidence we track, Gliffy leads this comparison with a composite score of 68/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Gliffy full profile →PlantUML full profile →

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★Gliffy68

PlantUML53

Attribute comparison across 2 tools
Attribute	GliffyLeader	PlantUML
vioscaleAI score	68 / 100medium · 54%	53 / 100low · 42%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	freemium	freemium
Price levelpricing.price_level	low	low
Starting pricepricing.starting_price	$2.80	$1
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	6	4
Security
Certificationssecurity.certifications	SOC 2 Type II, ISO 42001, Atlassian Enterprise Certified	-
Disclosure policysecurity.disclosure_policy	✓	-
Gdprsecurity.gdpr	✓	-
Hipaasecurity.hipaa	✓	-
Scorecardsecurity.scorecard	-	5.2
Soc2security.soc2	✓	-
Trust centersecurity.trust_center	https://www.gliffy.com/security	-
Vulnerabilitiessecurity.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
Adoption
Dependent reposadoption.dependent_repos	-	1
Github starsadoption.github_stars	-	13,323
Activity
Commits last 30dactivity.commits_last_30d	-	100
Release
Cadence daysrelease.cadence_days	-	12
Historyrelease.history	-	20 items
License
Spdxlicense.spdx	-	LGPL-3.0
Language
Primarylanguage.primary	-	Java
Market
Availabilitymarket.availability	Available worldwide	Available worldwide · Popular in US
Content
Faqcontent.faq	6 items	6 items

Score

vioscaleAI score

Gliffy68 / 100medium · 54%

PlantUML53 / 100low · 42%

Pricing

Free tier

Gliffy✓

PlantUML✓

Model

Gliffyfreemium

PlantUMLfreemium

Price level

Gliffylow

PlantUMLlow

Starting price

Gliffy$2.80

PlantUML$1

Transparent

Gliffy✓

PlantUML✓

Integrations

Count

Gliffy6

PlantUML4

Security

Certifications

GliffySOC 2 Type II, ISO 42001, Atlassian Enterprise Certified

PlantUML–

Disclosure policy

Gliffy✓

PlantUML–

Gdpr

Gliffy✓

PlantUML–

Hipaa

Gliffy✓

PlantUML–

Scorecard

Gliffy–

PlantUML5.2

Soc2

Gliffy✓

PlantUML–

Trust center

Gliffyhttps://www.gliffy.com/security

PlantUML–

Vulnerabilities

Gliffy–

PlantUMLCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fplantuml%2Fplantuml&per_page=100 · Last 12m: 0

Adoption

Dependent repos

Gliffy–

PlantUML1

Github stars

Gliffy–

PlantUML13,323

Activity

Commits last 30d

Gliffy–

PlantUML100

Release

Cadence days

Gliffy–

PlantUML12

History

Gliffy–

PlantUML20 items

License

Spdx

Gliffy–

PlantUMLLGPL-3.0

Language

Primary

Gliffy–

PlantUMLJava

Market

Availability

GliffyAvailable worldwide

PlantUMLAvailable worldwide · Popular in US

Content

Faq

Gliffy6 items

PlantUML6 items

Capabilities

Feature-by-feature on the axes that matter for diagramming. “-” means undocumented, not absent.

Capability comparison for 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	-

Capabilities

Deployment model

GliffyCloud saas

PlantUMLCloud saas

Uml and erd logic enforcement

Gliffy✓

PlantUML✓

Bpmn business process modeling standard

Gliffy✓

PlantUML-

Aws azure automated cloud architecture import

Gliffy✗

PlantUML-

Data linked shapes excel sync

Gliffy✗

PlantUML-

Visio vsdx file import export

Gliffy✓

PlantUML-

Collaborative multiplayer real time editing

Gliffy✓

PlantUML-

Confluence jira atlassian embeds

Gliffy✓

PlantUML-

Google workspace office 365 sync

Gliffy✗

PlantUML-

Slack ms teams chat embeds

Gliffy✗

PlantUML-

SOC2 type ii

Gliffy✓

PlantUML-

ISO 27001

Gliffy✗

PlantUML-

Pricing model

GliffyPer seat subscription

PlantUML-

What each one is

The product in its own terms, so the numbers below have context.

Gliffy

Leader

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.

Independently observed

PlantUML

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.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Gliffy

Leader

from $2.80/seat/moSubscriptionFree tier30-day trial

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.

Gliffy Diagrams for Confluence (Up to 10 Users)Free
- 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
- +2 more
Gliffy Diagrams for Confluence (11-100 Users)$3.80 per user per month, billed annually
- 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
- +2 more
Gliffy Zero Egress | Compliance-Ready DiagrammingFrom $2.80 per user per month for compliance-regulated teams
- No diagram data leaves Atlassian environment
- Compatible with Atlassian Government Cloud and Isolated Cloud
- ITAR, GDPR, HIPAA, SOC 2 Compliance
EnterpriseContact sales
- All standard features
- Custom negotiated terms

as of 2026-08-25verify ↗

PlantUML

from $1/moHybridFree tier

Free with ads. Sponsorship from $1/month for ad-free access.

$1 monthly sponsorship$1/month
- Ad-free plantuml.com access
$5 monthly sponsorship$5/month
- Support for PlantUML source code development

as of 2026-09-18verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Gliffy	PlantUML
WebPlatforms	✓	✓
CLIPlatforms	✗	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✗	✓
On-premiseDeployment	✓	✗
Air-gappedDeployment	✓	✗

Platforms

Web

Gliffy✓

PlantUML✓

CLI

Gliffy✗

PlantUML✓

Deployment

Cloud / SaaS

Gliffy✓

PlantUML✓

Self-hosted

Gliffy✗

PlantUML✓

On-premise

Gliffy✓

PlantUML✗

Air-gapped

Gliffy✓

PlantUML✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Gliffy

Leader

6 total

Confluence
Jira
Atlassian Marketplace
Microsoft Visio
draw.io
Stripe

Independently observed

PlantUML

4 total

GitHub
Dokuwiki
Asciidoc
Markdown

Independently observed

Still deciding?

Gliffy or PlantUML: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.