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Featured case studies
Case study 1 of 5, LeanIX: Map IT landscapes like LeanIX
Do your job as good as only game changers can. By developers, for developers.
On the market since 2012. Open-source roots. Engineering ethos. Trusted by 200,000+ of the world’s most demanding developers. Daily.
A developer-first data grid for the web. Familiar spreadsheet interactions. Flexible APIs. Serious performance to handle everything from thousands to millions of rows.
- React · Angular · Vue
- Million-row scale
- WCAG 2.2 AA
Bring Excel formulas to your app. Run complex calculations at high speed with a headless engine. Financial models, pricing rules, forecasts, and more. Directly inside your software.
- 400+ functions
- Excel-compatible
- Headless
Built by people who ship data tools daily
Let the numbers speak. 200,000+ developers worldwide must be right…
Meet the team- Fortune 500 customers
- 150+
- npm installs / month
- 2.8M
- GitHub stars
- 24.8K
- formula functions
- 408
SecurityRegular independent security audits against OWASP Top 10 and OWASP ASVS, plus continuous code and dependency scanning with Snyk.WCAG 2.2Accessibility evaluated against WCAG 2.2 Level A and AA, including keyboard navigation, screen readers, color contrast, and ARIA.LTSEven-numbered releases get approximately 30 months of support, with critical fixes, security updates, and predictable upgrade cycles.ISOAudited against ISO/IEC 27001:2023-08.
- front-end work saved
- 9mo
- to a prototype on the market
- 3mo
- manual reconciliation
- 0
13 out of 24
Story from Asterisk Networks
The business couldn't exist the way it does without Handsontable. It's the core of the communication between counterparties, and it provides a familiar tool that people already know, making it more attractive to potential clients.
Dave StewartLead Front-End Developer @Asterisk Networks
Notes from the lab
See all postsA vacuum never stays empty for long. We said good riddance to a CMS and built our own tools instead.
We rebuilt handsontable.com on Astro and Cloudflare with no CMS: what we skipped, what we built instead, and two internal tools that came out of it.
Handsontable's AI tools: a Docs MCP server, Claude Code skills, Ask AI, Theme Builder Assistant, and a demo playground
A public Docs MCP server, Claude Code skills, Ask AI in the docs, an AI tab in the Theme Builder and a coding assistant in the demo runner: who each is for.
October, 2026
Grok is obsessed with our docs. Just not the parts we built for it.
A browser fleet from an xAI netblock crawled our docs overnight and found the AI chat. Why the rate limiter never fired, and why we deflected, not blocked.
Shadow DOM support for web components and Salesforce LWC
As of Handsontable 18.1.1 the core handles the shadow boundary itself — mouse, focus and clipboard events resolve through shadow roots, with no wrapper.
One million rows later: how Handsontable fixed its performance
A benchmark said we ran out of memory at 500,000 rows. Three weeks and 31 pull requests later, one million rows render with the lowest heap in the test.
How We Replaced StackBlitz and CodeSandbox With Our Own Demo Runner
Why we built demos.handsontable.com, how a two-tier runtime works behind a single adapter, and everything that broke along the way.
Handsontable 18.1.0: Shadow DOM Support for Salesforce and Web Components, a Faster Grid, and a New Demo Playground
Shadow DOM support including Salesforce Lightning, up to 10x less memory on large data sets, new selection gestures, and a playground for every docs example.
September, 2026
HyperFormula 3.4.0: Official Coding Agent Skill, Agent-Ready Docs, and Five New Functions
HyperFormula 3.4.0 ships an official coding-agent skill, agent-ready docs and five new functions: XIRR, SORT, UNIQUE, VSTACK and HSTACK.
August, 2026
Handsontable 18.0.0: A TypeScript Core, a New Layout System, and a Faster, Lighter Grid
Handsontable 18.0.0 moves the core to TypeScript, rewrites the rendering engine for lower memory use, drops four dependencies and adds a layout system.
June, 2026
From 342,000 Lines of JavaScript to TypeScript: How We Migrated Handsontable’s Library
How we moved Handsontable’s 342,000-line codebase from JavaScript to TypeScript after years of postponing it, without changing a single end-to-end test.
HyperFormula 3.3.0: 20 New Functions, Memory Stability Improvements & New AI Integrations
HyperFormula 3.3.0 is the largest function release in the project’s history, adding 20 new Excel-compatible functions in a single update.
Handsontable 17.1.0: Export to Excel, Server-Side Row Model, and Built-in Toasts
Handsontable 17.1.0 adds a Server-Side Row Model, Export to Excel and built-in toast notifications for the data that flows in and out of the grid.
May, 2026
Make every data point count. Turn millions of them into actionable wisdom.
Let’s make it easier.
Smoother. Faster. All Handsontable.