Developer Tool Box vs OpenGrant

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

Developer Tool Box compared with OpenGrant
Detail	Developer Tool Box	OpenGrant
What it does	Browser-based developer utilities for formatting, encoding, decoding, conversion and everyday workflows	Search UK grant schemes and funders from Node.js or the terminal
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	GB
Pricing model	Free	Open source
Pricing	Free	Not given
Key features	Local browser processing No account required Mobile-friendly interfaces	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	Permanent tool URLs for direct access Privacy-aware local processing Transparent processing behavior Quality implementations with testing	No API key needed to use the SDK Search UK grant schemes and funders from code or terminal MIT licensed and open source
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	1 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	1	0
Citation Flow (Majestic)	5	15
Referring domains (Majestic)	12	5

4 details filled in for both companies.