Best OpenTax Alternatives in 2026
Updated
20 platforms from AI tax software ranked against OpenTax on the same published basis.
- 1OpenTax vs Taxation.ai
- 2OpenTax vs Filed
- 3OpenTax vs ONESOURCE Certificate Manager
- 4OpenTax vs ONESOURCE Indirect Compliance
- 5OpenTax vs TaxAct
- 6OpenTax vs H&R Block Online
- 7OpenTax vs Taxfix
- 8OpenTax vs TurboTax
- 9OpenTax vs TelosTax
- 10OpenTax vs BharatTax AI
- 11OpenTax vs Instead
- 12OpenTax vs Quicko
- 13OpenTax vs EZTax
- 14OpenTax vs TaxTim
- 15OpenTax vs FlyFin
- 16OpenTax vs IndiaTax.AI
- 17OpenTax vs Keeper
- 18OpenTax vs ProConnect Tax
- 19OpenTax vs TaxBuddy
- 20OpenTax vs Abacus
OpenTax alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Taxation.ai | 7.2 | Free plan | $49/mo | API, self-hosted, Web |
| 2 | Filed | 6.6 | No | — | API, Mac, Web, Windows |
| 3 | ONESOURCE Certificate Manager | 6.6 | No | — | API, self-hosted, Web, Windows |
| 4 | ONESOURCE Indirect Compliance | 6.4 | No | — | API |
| 5 | TaxAct | 6.0 | Free plan | $44.99/mo | Web |
| 6 | H&R Block Online | 5.9 | Free plan | Free | Web, iOS, Android |
| 7 | Taxfix | 5.9 | Free plan | €3.33/mo | Android, iOS, Web |
| 8 | TurboTax | 5.9 | Free plan | $79/mo | Web |
| 9 | TelosTax | 5.8 | Free plan | Free | Android, iOS, Linux, Mac, Web, Windows |
| 10 | BharatTax AI | 5.7 | Free plan | Free | Web |
| 11 | Instead | 5.7 | Free plan | Free | Web |
| 12 | Quicko | 5.7 | Free plan | ₹999/mo | Web, iOS, Android |
| 13 | EZTax | 5.6 | No | ₹208.25/mo | Android, iOS, Web, Windows |
| 14 | TaxTim | 5.5 | No | — | Android, iOS, Web |
| 15 | FlyFin | 5.4 | No | $2.42/mo | Android, iOS |
| 16 | IndiaTax.AI | 5.4 | No | — | Android, iOS, Web |
| 17 | Keeper | 5.4 | No | — | Android, iOS, Web |
| 18 | ProConnect Tax | 5.3 | No | $17.50/mo | Web, Windows |
| 19 | TaxBuddy | 5.3 | No | ₹58.25/mo | Web, Android |
| 20 | Abacus | 5.2 | No | — | Web |
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Questions about OpenTax alternatives
What is the best alternative to OpenTax?
Taxation.ai, number 1 in AI tax software with a score of 7.2 out of 10. The others here: Filed, ONESOURCE Certificate Manager, ONESOURCE Indirect Compliance and 16 more.
What is the best free alternative to OpenTax?
Taxation.ai is the best-ranked alternative with a free plan. 9 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.