Composable Svelte chart components to build a large variety of visualizations
1.3k
Stars
39
Forks
75
Open issues
22
Contributors
AI Analysis
LayerChart is a composable Svelte component library for building interactive data visualizations across six major chart categories: Cartesian, radial/polar, hierarchical, graph-based, geographic, and calendar charts. It is purpose-built for developers working within the Svelte ecosystem who need production-grade charting components backed by D3.js—not a general-purpose charting solution for other frameworks or end users.
Inferred from signals mentioned in the README (tests, CI, type safety) — not a review of the actual code.
AI's overall editorial judgment — not an average of the bars above, can weigh other factors too.
Svelte-native composable chart library with modular layer architecture, modest but engaged adoption
LayerChart is a TypeScript charting library built specifically for Svelte, offering composable components across cartesian, radial, hierarchical, graph, geo, and calendar visualizations. It targets developers who prefer Svelte's reactivity model and component composition over chart.js or D3 abstractions. Adoption appears concentrated in the Svelte ecosystem; real-world production usage remains undocumented in README.
Created August 2021, LayerChart emerged as Svelte's charting gap narrowed. The project reflects the broader trend of framework-specific chart abstractions built atop D3 or similar primitives. It evolved from a single developer project (techniq) to include sponsorship and community contribution.
Star growth has been steady rather than explosive: 1,251 stars over ~5 years suggests organic adoption within Svelte circles rather than mainstream breakthrough. Recent 7-day gain of 20 stars and consistent push activity (last push 2026-07-02) indicate maintained interest. npm download metrics are referenced in README badges but counts not provided here, limiting growth quantification.
adoption not verified. README lists only sponsors, Discord community size (~800+ estimated members), and Bluesky followers — all signal engagement but not production deployment scale. No case studies, deployment counts, or enterprise adoption mentioned.
Based on README, appears to be a composable component layer built for Svelte. Likely uses reactive stores and component composition patterns native to Svelte. Supports 6+ chart categories (cartesian, radial, hierarchical, graph, geo, calendar) suggesting modular internal structure, though actual implementation structure cannot be verified from README alone.
not documented in README
Active maintenance: last push 2026-07-02 (2 days before analysis date) and consistent push history suggest ongoing development. README mentions changeset workflow and sponsorship structure, indicating organized release practices. No evidence of neglect or long periods of inactivity.
ADOPT IF: you are building Svelte applications and require composable, reactive charts; you prefer component-based design over configuration objects; your chart needs fit the supported categories (cartesian, radial, hierarchical, geo, calendar). AVOID IF: you need broad framework support (use Recharts or Chart.js); you require extensive production case studies or vendor support; you are building a new Svelte project and want to minimize dependency on single-maintainer libraries. MONITOR IF: you are considering LayerChart for a greenfield Svelte project; adoption in your target domain is unclear; you need assurance of long-term maintenance beyond current maintainer.
Independent dimensions
Mainstream potential
3/10
Technical importance
6/10
Adoption evidence
4/10
- Single maintainer with community contributions — succession risk if techniq's involvement decreases
- Svelte-only focus limits potential user base compared to framework-agnostic alternatives
- Production adoption not documented — unclear how battle-tested the library is in complex real-world scenarios
- npm download data referenced but not quantified in README — adoption scale cannot be independently verified
- Smaller ecosystem than Recharts or Chart.js may result in fewer plugins, examples, or community integrations
LayerChart will likely remain a stable, well-maintained niche library for Svelte developers over the next 2-3 years. Unlikely to challenge Recharts' dominance, but probable to consolidate as the preferred charting option within Svelte community if Svelte adoption holds. Growth may accelerate if Svelte framework adoption increases.
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Languages
Information
- Website
- https://www.layerchart.com
- Language
- TypeScript
- License
- MIT
- Last updated
- 1w ago
- Created
- 60mo ago
- Analyzed with
- anthropic/claude-haiku-4-5
Stars over time
Contributors over time
Top 100 contributors only — repos with more will plateau at 100.
Open issues
Top contributors
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React-dominant, much larger ecosystem. LayerChart has ~1/20th the stars. Recharts targets React developers; LayerChart fills Svelte gap. Not direct replacement.
Broader language/framework coverage. LayerChart more composable and Svelte-native; Chart.js more universally familiar. Different design philosophy.
Specialized for financial/trading data. LayerChart is general-purpose. Non-overlapping primary use cases.
Vue ecosystem equivalent. Comparable adoption scale to LayerChart. Both occupy framework-specific niches.
Lower-level library. LayerChart builds abstraction layer atop D3-like capabilities. Targets different developer skill levels.
