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KanuniLabs vs OpenGrant

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

KanuniLabs compared with OpenGrant
DetailKanuniLabs logo KanuniLabsOpenGrant logo OpenGrant
What it doesFast data grid and pivot table for React and JavaScript with virtual scrolling and Web Worker support Search UK grant schemes and funders from Node.js or the terminal
StageStartup Not given
Founded2026 Not given
Based inNot given GB
Pricing modelFreemium Open source
PricingNot given Not given
Key features
  • Virtual scrolling: handles millions of rows with only visible rows in the DOM
  • Web Worker offload for filtering and sorting above ~20,000 rows
  • Columnar encoding with typed arrays for fast sorting and filtering
  • Server-side data loading and filtering
  • Sorting and filtering with custom comparators
  • Inline editing with validation and lookups
  • Multi-level grouping and master-detail views
  • Excel and PDF export with styling
  • Calculated columns with spreadsheet formulas
  • Interactive charts and drill-down
  • Search grants with filters for region, organisation, theme and deadline
  • Count matching grant schemes and get link to website search
  • Retrieve public facts for individual grant schemes
  • Look up funder profiles by charity number, slug or name
  • No API key required
  • No runtime dependencies
  • MIT licensed open source
  • Rate limit of 60 requests per 60 seconds per client
  • Command-line tool with --json output option
  • Access to OpenGrant MCP server tools
What makes it different
  • Free Community edition with no expiry, watermark or license key for commercial use
  • Paid versions never expire or lock users out; shipped applications keep running without watermarks
  • No license server; keys checked locally via public key compiled into the package
  • Handles millions of rows efficiently with only the visible window rendered
  • No API key needed to use the SDK
  • Search UK grant schemes and funders from code or terminal
  • MIT licensed and open source
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)37 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)60
Citation Flow (Majestic)2815
Referring domains (Majestic)265

4 details filled in for both companies.

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