Appwrite vs Aragon vs Firebase vs Kalshi
| Attribute | ||||
|---|---|---|---|---|
| Category | Developer Tools | Developer Tools | Cloud & Infrastructure | Finance & Accounting |
| Pricing | Free tier | Paid | Free tier | Free tier |
| Starting price | $25/month | — | $0/month | — |
| Free tier | Yes | No | Yes | Yes |
| Free trial | No | No | Yes | Unknown |
| Deployment | — | — | — | — |
| API available | Unknown | Unknown | Unknown | Unknown |
| Platforms | — | — | — | — |
| Certifications | — | — | — | — |
| Integrations | — | — | 3 | — |
| Company | — | — | Founded 2010 | Founded 2018 |
| Feature attributes | ||||
Also consider
Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.