Underscore.js vs. Open Source Initiative (OSI)
Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.
| Metric | Underscore.js | Open Source Initiative (OSI) |
|---|---|---|
| Avg. rating | 4.4 | 4.5 |
| Total reviews | 14 | 476 |
| Review growth (QoQ) | — | -75.0% |
| Products on G2 | 1 | 7 |
| Categories covered | 1 | 6 |
| Best category rank | #31 in JavaScript Web Frameworks | #2 in PHP Web Frameworks |
| Small Business | 50.0% | 63.6% |
| Mid-Market | 28.6% | 26.4% |
| Enterprise | 21.4% | 9.9% |