Opensource vs. Mailbird
Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.
| Metric | Opensource | Mailbird |
|---|---|---|
| Avg. rating | 4.5 | 3.6 |
| Total reviews | 13 | 102 |
| Review growth (QoQ) | — | — |
| Products on G2 | 1 | 1 |
| Categories covered | 1 | 2 |
| Best category rank | #27 in Email Client | #22 in Email Client |
| Small Business | 46.2% | 80.6% |
| Mid-Market | 30.8% | 16.3% |
| Enterprise | 23.1% | 3.1% |