Comparison

Bulma vs Svelte

On the evidence we track, Svelte leads this comparison with a composite score of 78/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Bulma full profile →Svelte full profile →

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Bulma48

★Svelte78

Attribute comparison across 2 tools
Attribute	Bulma	SvelteLeader
Vioscale score	48 / 100medium · 72%updating	78 / 100medium · 71%updating
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	open_source
Price levelpricing.price_level	free	free
Security
Disclosure policysecurity.disclosure_policy	-	✓
Scorecardsecurity.scorecard	2.8	7.9
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=bulma&per_page=100 · Last 12m: 0	Count: 14 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=svelte&per_page=100 · Last 12m: 12 · Max severity: HIGH
Reliability
Status pagereliability.status_page	✓	-
Adoption
Dependent reposadoption.dependent_repos	64,999	56,439
Github starsadoption.github_stars	50,059	87,991
Package downloads weeklyadoption.package_downloads_weekly	371,536	5,781,541
Stackoverflow questionsadoption.stackoverflow_questions	-	9,000
Activity
Commits last 30dactivity.commits_last_30d	0	87
Release
Cadence daysrelease.cadence_days	113	3
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	MIT	MIT
Language
Primarylanguage.primary	CSS	JavaScript
Market
Availabilitymarket.availability	Available worldwide	Available worldwide
Content
Faqcontent.faq	-	8 items

Score

Vioscale score

Bulma48 / 100medium · 72%updating

Svelte78 / 100medium · 71%updating

Pricing

Free tier

Bulma✓

Svelte✓

Model

Bulmacommercial

Svelteopen_source

Price level

Bulmafree

Sveltefree

Security

Disclosure policy

Bulma–

Svelte✓

Scorecard

Bulma2.8

Svelte7.9

Vulnerabilities

BulmaCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=bulma&per_page=100 · Last 12m: 0

SvelteCount: 14 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=svelte&per_page=100 · Last 12m: 12 · Max severity: HIGH

Reliability

Status page

Bulma✓

Svelte–

Adoption

Dependent repos

Bulma64,999

Svelte56,439

Github stars

Bulma50,059

Svelte87,991

Package downloads weekly

Bulma371,536

Svelte5,781,541

Stackoverflow questions

Bulma–

Svelte9,000

Activity

Commits last 30d

Bulma0

Svelte87

Release

Cadence days

Bulma113

Svelte3

History

Bulma20 items

Svelte20 items

License

Spdx

BulmaMIT

SvelteMIT

Language

Primary

BulmaCSS

SvelteJavaScript

Market

Availability

BulmaAvailable worldwide

SvelteAvailable worldwide

Content

Faq

Bulma–

Svelte8 items

Capabilities

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

Capability comparison for Frontend UI Frameworks
Capability	Bulma	Svelte
Core
Paradigm	Flexbox and Grid-based CSS component framework	compiler-based component framework
Reusable component model	✓	✓
Rendering
Virtual DOM	-	✗
Signals / fine-grained reactivity	-	✓
SSR support	-	✓
DX
First-class TypeScript	-	✗
State
Built-in state management	-	✓
Ecosystem
Official router	-	-
Performance
Runtime size	Small (10–40kb)	Small (10–40kb)

Core

Paradigm

BulmaFlexbox and Grid-based CSS component framework

Sveltecompiler-based component framework

Reusable component model

Bulma✓

Svelte✓

Rendering

Virtual DOM

Bulma-

Svelte✗

Signals / fine-grained reactivity

Bulma-

Svelte✓

SSR support

Bulma-

Svelte✓

First-class TypeScript

Bulma-

Svelte✗

State

Built-in state management

Bulma-

Svelte✓

Ecosystem

Official router

Bulma-

Svelte-

Performance

Runtime size

BulmaSmall (10–40kb)

SvelteSmall (10–40kb)

What each one is

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

Bulma

A free, open-source CSS library providing pre-built components and utilities for constructing responsive web layouts. It uses Flexbox and CSS Grid as its foundation with CSS Variables for customization, requiring only a single CSS file and no JavaScript to get started.

Independently observed

Svelte

Leader

A framework with an integrated compiler that lets developers create streamlined components using standard HTML, CSS, and JavaScript, minimizing runtime overhead in the browser.

Independently observed

Pricing

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

Bulma

Open sourceFree tier

as of 2026-08-13verify ↗

Svelte

Leader

Open sourceFree tier

as of 2026-08-14verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	Bulma	Svelte
WebPlatforms	✓	✓
Cloud / SaaSDeployment	✓	-
Self-hostedDeployment	✓	-

Platforms

Web

Bulma✓

Svelte✓

Deployment

Cloud / SaaS

Bulma✓

Svelte–

Self-hosted

Bulma✓

Svelte–

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