Best Electronic Signature Software in 2026
Updated
In short: BoldSign is ranked #1 of 35 as of 7 October 2026, ahead of DigiSigner and Dropbox Sign. The best-ranked option with a free plan is DigiSigner. The lowest first paid tier on this page is DocuSeal at $0.20/mo.
Digital signing workflows can involve routing documents between signers, reusing templates, or sending agreements in bulk. Compared on signing order, templates included, and bulk sending, these services also differ in audit trail and identity verification features. API access may be relevant when you need signatures to connect with other software. BoldSign, Dropbox Sign, and Signority API are among the entries covered. Check monthly send limits alongside free-plan availability and paid-from pricing to understand the terms as well as the workflow features that matter to your team.
35 electronic signature software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Electronic Signature Software, one module each. A lit port is something its maker publishes; 25 of the 25 on this page have a public API.
- 01 BoldSign API yesOSS not on recordFREE yesDOCS 7.4$5/mo
- 02 DigiSigner API yesOSS not on recordFREE yesDOCS 7.4$15/mo
- 03 Dropbox Sign API yesOSS not on recordFREE yesDOCS 7.4$15/mo
- 04 Signority API API yesOSS not on recordFREE yesDOCS 7.4$10.75/mo
- 05 Skribble API yesOSS not on recordFREE yesDOCS 7.4€23/mo
- 06 sproof sign API yesOSS not on recordFREE yesDOCS 7.4Free
- 07 DocuSeal API yesOSS not on recordFREE yesDOCS 7.3$0.20/mo
- 08 Secured Signing API yesOSS not on recordFREE yesDOCS 7.3$30119.17/mo
- 09 OpenSign API yesOSS not on recordFREE yesDOCS 7.2Free
- 10 Sertifi by Flywire API yesOSS not on recordFREE yesDOCS 7.2Free
- 11 Signaturely API yesOSS not on recordFREE yesDOCS 7.2$20/mo
- 12 SignWell API yesOSS not on recordFREE yesDOCS 7.2$10/mo
- 13 Zoho Sign API yesOSS not on recordFREE yesDOCS 7.2Free
- 14 Namirial Sign API yesOSS not on recordFREE yesDOCS 7.1Free
- 15 DocuSign eSignature API yesOSS not on recordFREE not on recordDOCS 7.0$11/mo
- 16 Signeasy API yesOSS not on recordFREE not on recordDOCS 7.0$10/mo
- 17 Adobe Acrobat Sign API yesOSS not on recordFREE not on recordDOCS 6.8
- 18 Certinal API yesOSS not on recordFREE not on recordDOCS 6.8
- 19 ComSignTrust Secure Code Signing Platform (ASCS) API yesOSS not on recordFREE not on recordDOCS 6.8
- 20 Foxit eSign API yesOSS not on recordFREE not on recordDOCS 6.8
- 21 Signaturit API yesOSS not on recordFREE not on recordDOCS 6.8$9/mo
- 22 OneSpan Sign API yesOSS not on recordFREE not on recordDOCS 6.6$22/mo
- 23 signNow API yesOSS not on recordFREE not on recordDOCS 6.6$1.50/mo
- 24 Formstack Sign API yesOSS not on recordFREE not on recordDOCS 6.5$250/mo
- 25 Leegality API yesOSS not on recordFREE not on recordDOCS 6.5₹15/mo
Compare all 25 in a table
| # | Platform | Score | Free plan | From | Free plan | Paid from | Monthly send limit | Templates included |
|---|---|---|---|---|---|---|---|---|
| 1 | BoldSign | 7.4 | Free plan | $5/mo | Yes | 5 /user/mo | — | — |
| 2 | DigiSigner | 7.4 | Free plan | $15/mo | Yes | — | — | — |
| 3 | Dropbox Sign | 7.4 | Free plan | $15/mo | Yes | — | — | 5 |
| 4 | Signority API | 7.4 | Free plan | $10.75/mo | Yes | — | — | — |
| 5 | Skribble | 7.4 | Free plan | €23/mo | Yes | — | — | 0 |
| 6 | sproof sign | 7.4 | Free plan | — | Yes | — | — | — |
| 7 | DocuSeal | 7.3 | Free plan | $0.20/mo | Yes | 20 /user/mo | — | — |
| 8 | Secured Signing | 7.3 | Free plan | $30119.17/mo | Yes | — | — | — |
| 9 | OpenSign | 7.2 | Free plan | Free | Yes | — | — | — |
| 10 | Sertifi by Flywire | 7.2 | Free plan | Free | No | — | — | — |
| 11 | Signaturely | 7.2 | Free plan | $20/mo | Yes | — | 5 /mo | 1 |
| 12 | SignWell | 7.2 | Free plan | $10/mo | Yes | 10 /user/mo | — | — |
| 13 | Zoho Sign | 7.2 | Free plan | Free | Yes | — | — | — |
| 14 | Namirial Sign | 7.1 | Free plan | Free | — | — | — | — |
| 15 | DocuSign eSignature | 7.0 | No | $11/mo | Yes | 11 /user/mo | — | — |
| 16 | Signeasy | 7.0 | No | $10/mo | Yes | 10 /user/mo | 5 /mo | 0 |
| 17 | Adobe Acrobat Sign | 6.8 | No | — | No | — | — | — |
| 18 | Certinal | 6.8 | No | — | — | — | — | — |
| 19 | ComSignTrust Secure Code Signing Platform (ASCS) | 6.8 | No | — | — | — | — | — |
| 20 | Foxit eSign | 6.8 | No | — | No | — | — | 10 |
| 21 | Signaturit | 6.8 | No | $9/mo | No | — | 5 /mo | 1 |
| 22 | OneSpan Sign | 6.6 | No | $22/mo | No | 22 /user/mo | — | — |
| 23 | signNow | 6.6 | No | $1.50/mo | No | 8 /user/mo | — | — |
| 24 | Formstack Sign | 6.5 | No | $250/mo | No | — | — | — |
| 25 | Leegality | 6.5 | No | ₹15/mo | No | — | — | — |
Is your platform on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which electronic signature software is ranked first on Inferse?
BoldSign is ranked #1 of 35 with a score of 7.4. DigiSigner is second and Dropbox Sign third.
How many of these have a free plan?
14 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, DocuSeal has the lowest first paid tier we found: $0.20/mo.
How is this list 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.