Best E-Signature Software in 2026
Updated
In short: Sign.Plus is ranked #1 of 67 as of 4 October 2026, ahead of Xodo Sign and BoldSign. The best-ranked option with a free plan is Xodo Sign. The lowest first paid tier on this page is RabbitSign at $0.03/mo.
E-signature software supports preparing documents for electronic signing and managing the steps that take a document through signature. Compare API access and document templates alongside bulk sending, audit trails, and control over signature order. SMS authentication may be relevant to the signing workflow you need, while free-plan availability and paid-from pricing help you assess cost. The ranked entries begin with DocuSign eSignature, Xodo Sign, and Zoho Sign; BoldSign and Foxit eSign also appear among the first options. Use the listed criteria to consider how each tool fits the documents, signing sequence, and supporting controls your team requires.
67 e-signature software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
E-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 Sign.Plus API yesOSS not on recordFREE yesDOCS 7.4$9.99/mo
- 02 Xodo Sign API yesOSS not on recordFREE yesDOCS 7.4$3/mo
- 03 BoldSign API yesOSS not on recordFREE yesDOCS 7.3$5/mo
- 04 DigiSigner API yesOSS not on recordFREE yesDOCS 7.3$15/mo
- 05 Documenso API yesOSS not on recordFREE yesDOCS 7.3$25/mo
- 06 Dropbox Sign API yesOSS not on recordFREE yesDOCS 7.3$15/mo
- 07 eSignly API yesOSS not on recordFREE yesDOCS 7.3$10/mo
- 08 Signority API API yesOSS not on recordFREE yesDOCS 7.3$10.75/mo
- 09 sproof sign API yesOSS not on recordFREE yesDOCS 7.3Free
- 10 Autentique API yesOSS not on recordFREE yesDOCS 7.2$19/mo
- 11 DocuSeal API yesOSS not on recordFREE yesDOCS 7.2$0.20/mo
- 12 E-Signing.io API yesOSS not on recordFREE yesDOCS 7.2$0.39/mo
- 13 OpenSign API yesOSS not on recordFREE yesDOCS 7.2Free
- 14 Papersign API yesOSS not on recordFREE yesDOCS 7.2$20/mo
- 15 Sertifi by Flywire API yesOSS not on recordFREE yesDOCS 7.2Free
- 16 SignRequest API yesOSS not on recordFREE yesDOCS 7.2€9/mo
- 17 SignWell API yesOSS not on recordFREE yesDOCS 7.2$10/mo
- 18 Skribble API yesOSS not on recordFREE yesDOCS 7.2€23/mo
- 19 Zoho Sign API yesOSS not on recordFREE yesDOCS 7.2Free
- 20 Docracy API yesOSS not on recordFREE yesDOCS 7.1$10/mo
- 21 InfoCert GoSign API yesOSS not on recordFREE yesDOCS 7.1Free
- 22 Namirial Sign API yesOSS not on recordFREE yesDOCS 7.1Free
- 23 RabbitSign API yesOSS not on recordFREE yesDOCS 7.1$0.03/mo
- 24 Signaturely API yesOSS not on recordFREE yesDOCS 7.1$20/mo
- 25 ZapSign API yesOSS not on recordFREE not on recordDOCS 7.0
Compare all 25 in a table
| # | Platform | Score | Free plan | From | Free plan | Paid from | Audit trail | Document templates |
|---|---|---|---|---|---|---|---|---|
| 1 | Sign.Plus | 7.4 | Free plan | $9.99/mo | Yes | — | Yes | Yes |
| 2 | Xodo Sign | 7.4 | Free plan | $3/mo | Yes | 3 /user/mo | Yes | Yes |
| 3 | BoldSign | 7.3 | Free plan | $5/mo | Yes | 5 /user/mo | Yes | Yes |
| 4 | DigiSigner | 7.3 | Free plan | $15/mo | Yes | — | Yes | Yes |
| 5 | Documenso | 7.3 | Free plan | $25/mo | Yes | — | Yes | Yes |
| 6 | Dropbox Sign | 7.3 | Free plan | $15/mo | Yes | — | Yes | — |
| 7 | eSignly | 7.3 | Free plan | $10/mo | Yes | 10 /user/mo | Yes | Yes |
| 8 | Signority API | 7.3 | Free plan | $10.75/mo | Yes | — | — | — |
| 9 | sproof sign | 7.3 | Free plan | — | Yes | — | Yes | — |
| 10 | Autentique | 7.2 | Free plan | $19/mo | Yes | — | Yes | Yes |
| 11 | DocuSeal | 7.2 | Free plan | $0.20/mo | Yes | 20 /user/mo | Yes | Yes |
| 12 | E-Signing.io | 7.2 | Free plan | $0.39/mo | Yes | — | Yes | Yes |
| 13 | OpenSign | 7.2 | Free plan | Free | Yes | — | Yes | Yes |
| 14 | Papersign | 7.2 | Free plan | $20/mo | Yes | 20 /user/mo | Yes | Yes |
| 15 | Sertifi by Flywire | 7.2 | Free plan | Free | No | — | Yes | Yes |
| 16 | SignRequest | 7.2 | Free plan | €9/mo | Yes | — | Yes | Yes |
| 17 | SignWell | 7.2 | Free plan | $10/mo | Yes | 10 /user/mo | Yes | Yes |
| 18 | Skribble | 7.2 | Free plan | €23/mo | Yes | — | Yes | — |
| 19 | Zoho Sign | 7.2 | Free plan | Free | Yes | — | Yes | Yes |
| 20 | Docracy | 7.1 | Free plan | $10/mo | Yes | — | Yes | Yes |
| 21 | InfoCert GoSign | 7.1 | Free plan | Free | Yes | — | Yes | Yes |
| 22 | Namirial Sign | 7.1 | Free plan | Free | Yes | — | Yes | Yes |
| 23 | RabbitSign | 7.1 | Free plan | $0.03/mo | Yes | — | Yes | Yes |
| 24 | Signaturely | 7.1 | Free plan | $20/mo | Yes | — | Yes | — |
| 25 | ZapSign | 7.0 | No | — | Yes | — | Yes | Yes |
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 e-signature software is ranked first on Inferse?
Sign.Plus is ranked #1 of 67 with a score of 7.4. Xodo Sign is second and BoldSign third.
How many of these have a free plan?
24 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, RabbitSign has the lowest first paid tier we found: $0.03/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.