Lit

A minimal library for building efficient web components

Also known as
lit

What is Lit?

A web component framework that combines a reactive component base class with declarative templating and built-in styling, designed for minimal code overhead and fast performance.

Independently observed

Lit pricing

We don't have Lit's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.

Pricing as of verify at live pricing ↗Independently observed
Open sourceFree tier

Open source, free to use

What Lit does

The capabilities that matter for frontend ui frameworks, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.

Core
Paradigm
Web Components with reactive properties
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
Tiny (<10kb)
Independently observed

Platform & deployment

Independently observed
Platforms
  • Web
Deployment
  • Cloud / SaaS
  • Self-hosted

Integrations (4)

Independently observed
reactivity
  • Preact Signals
  • React•
  • Preact•
  • Eleventy•

Security & compliance

Known vulnerabilities: 0 (0 in the last 12 months) sourcea count reflects scale & disclosure, not quality

Lit FAQ

Common questions about Lit, answered from independent, dated evidence.

What is Lit?

A framework built on Web Components standards that adds reactivity and declarative templates while keeping bundle size tiny. Components update only their dynamic parts, eliminating the need for virtual DOM diffing. It is indexed under Frontend UI Frameworks.

Source: https://lit.dev/

Is Lit free to use?

Lit is open source, so it can be self-hosted and used at no licence cost. It is released under the BSD-3-Clause licence. Pricing changes often, so verify at source before relying on it.

Source: https://lit.dev/

What platforms does Lit support?

We have confirmed browser-based access to Lit. 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://lit.dev/

Is Lit open source?

Yes. Lit is published under the BSD-3-Clause licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.

Source: https://github.com/lit/lit

Lit alternatives

Other frontend ui frameworks we track, ranked by the same independent score.

All Lit alternatives, ranked →

Compare Lit

Side by side against other frontend ui frameworks, attribute by attribute, with a source on every value.

Independent · unbought · dated

The vioscaleAI score: one lens on the evidence

Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Lit, not the verdict.

Balanced composite 62 / 100
medium · 67%
Signal contributions to the composite score
SignalScoreWeightContributionEvidence
Package downloads890.1715.4✓
Capabilities810.086.7✓
Dependent projects730.085.8✓
Development activity270.123.2✓
Security score600.053.2✓
Stars820.032.7✓
Integrations170.050.9✓
Release cadence00.070.0-
Security posture00.090.0-
Developer Q&A activity00.080.0-

Computed . Re-weight it by intent, or see the full method.

All data & sourcesshow ↓

Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.

Activity

AttributeValueEvidence
Commits last 30d6mediumsource · 2026-09-10 · 65%

Adoption

AttributeValueEvidence
Github stars21,843highsource · 2026-10-13 · 90%
Package downloads weekly7,044,909highsource · 2026-10-13 · 85%
Dependent repos22,879highsource · 2026-08-26 · 85%

Content

AttributeValueEvidence
Faq4 itemsmediumsource · 2026-09-10 · 70%

Features

AttributeValueEvidence
CapabilitiesParadigm: Web Components with reactive properties · Bundle size: tiny · Ssr support: Yes · Virtual dom: No · Component model: Yes · Router official: Yesmediumsource · 2026-10-13 · 60%

Integrations

AttributeValueEvidence
Count3mediumsource · 2026-10-13 · 60%

Language

AttributeValueEvidence
PrimaryTypeScripthighsource · 2026-10-13 · 90%

License

AttributeValueEvidence
SpdxBSD-3-Clausehighsource · 2026-10-13 · 99%

Pricing

AttributeValueEvidence
Free tierYesmediumsource · 2026-10-13 · 60%
Modelopen_sourcemediumsource · 2026-10-13 · 60%
Price levelfreemediumsource · 2026-10-13 · 60%
TransparentYesmediumsource · 2026-08-13 · 60%

Release

AttributeValueEvidence
History20 itemsmediumsource · 2026-10-13 · 70%

Security

AttributeValueEvidence
Scorecard6highsource · 2026-10-13 · 90%
VulnerabilitiesCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=lit-html&per_page=100 · Last 12m: 0highsource · 2026-08-26 · 90%
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Last updated . Canonical URI: https://www.vioscale.ai/software/lit.