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Instead of OpenSign

OpenSign alternatives

OpenSign handles PDF signing, storage, and security with reusable templates, audit trails, bulk sending, SMS authentication, and API workflows. Its API supports self-signing, public template links, drafts, signer roles, and real-time webhooks, while templates can be embedded in React, Next.js, HTML, JavaScript, and Angular projects. SMTP configuration, two-factor authentication, passkey sign-in, tamper-evident PDFs, and Docker self-hosting across Linux, macOS, and Windows add control for individuals and businesses.

  1. 1

    Esup-Signature

    by Esup-Signature
    Free plan APILinuxMac+3

    Open-source deployments with broad platform coverage — Esup-Signature matches OpenSign’s audit, template, bulk, API, SMS, and platform coverage as a free open-source product.

    7.4 Open source Visit site
  2. 2

    Sign.Plus

    by Sign.Plus
    Free plan AndroidAPIExtension+2

    Mobile and browser-extension signing — Sign.Plus adds Android, iOS, and extension platforms, while OpenSign emphasizes self-hosting and web-framework embedding.

    Free plan · paid from $9.99/mo · 14-day trial Visit site
  3. 3

    Signaturely

    by Signaturely
    Free plan AndroidAPIiPhone+1

    Email-based signing with flexible signature capture — Signaturely explicitly supports typing, drawing, or uploading a signature image, whereas OpenSign documents broader API workflows and self-hosting.

    7.1 Free plan · paid from $25/mo · 7-day trial Visit site
  4. 4

    BoldSign

    by BoldSign
    Free plan AndroidAPIExtension+1

    Lower annual starting price with mobile and extension apps — BoldSign offers Android, iOS, and extension platforms with a $5/user/mo annual starting price, unlike OpenSign’s unlisted paid prices.

    7.6 Free plan · paid from $5/user/mo (annual) · 30-day trial Visit site
  5. 5

    Certinal

    by Certinal
    Free trial AndroidAPIiPhone+1

    Organizations wanting paid plans with pricing on request — Certinal is paid with pricing on request and supports Android, iOS, web, API, templates, bulk sending, SMS, and both signing orders.

    Pricing on request Visit site
  6. 6

    Dropbox Sign

    by Dropbox Sign
    Free plan AndroidAPIiPhone+1

    Teams needing a mobile-enabled signing service without bulk sending — Dropbox Sign supports Android, iOS, web, and API access but has no bulk sending, unlike OpenSign’s bulk capability.

    7.5 Free plan · paid from $10.05/mo (annual) · 30-day trial Visit site
  7. 7

    eSignly

    by eSignly
    Free plan AndroidAPIiPhone

    Mobile signing with templates and bulk sending — eSignly provides Android and iOS apps plus templates, bulk sending, API access, SMS authentication, and a $10/user/mo annual starting price.

    7.3 Free plan · paid from $10/user/mo (annual) · 30-day trial Visit site
  8. 8

    Autentique

    Free plan APIWeb
    7.4 Free plan · paid from $19/mo Visit site
  9. 9

    Digio

    by Digio
    Free plan AndroidAPIWeb
    7.4 Pricing on request Visit site
  10. 10

    Documenso

    Free plan APISelf-hostedWeb
    7.4 Free plan · paid from $25/mo (annual) Visit site
  11. 11

    eSigTek

    by eSigTek
    Free plan AndroidiPhoneWeb+1
    7.4 Free plan · pricing on request Visit site
  12. 12

    Leegality

    by Leegality
    Free plan AndroidAPIiPhone+1
    7.4 From ₹15 Visit site
  13. 13

    DigiSigner

    by DigiSigner
    Free plan APIWeb
    7.3 Free plan · paid from $15/mo (annual) · 14-day trial Visit site
  14. 14

    Docracy

    by Docracy
    Free plan APIWeb
    7.3 Free plan · paid from $10/mo Visit site
  15. 15

    LibreSign

    by LibreSign
    Free plan AndroidAPIiPhone+2
    7.3 Free plan Visit site
  16. 16

    Assinafy

    by Assinafy
    Free plan API
    7.2 Free plan Visit site
  17. 17

    E-Signing.io

    by E-Signing.io
    Free plan APIWeb
    7.2 Free plan · paid from $19/mo · 7-day trial Visit site
  18. 18

    eSigns

    Free plan APIWeb
    7.2 From $9.99/mo · 30-day trial Visit site
  19. 19

    Jotform

    by Jotform
    Free plan WebiPhoneAndroid
    7.2 Free plan Visit site
  20. 20

    DocuSeal

    Free plan API
    7.1 Free plan · paid from $20/user/mo Visit site
  21. 21

    DocuSign eSignature

    by DocuSign eSignature
    Free plan API
    7.1 Free plan · paid from $11/user/mo (annual) · 30-day trial Visit site
  22. 22

    FreeSign

    Free plan Self-hostedWeb
    7.1 Free plan Visit site
  23. 23

    Sertifi by Flywire

    by Sertifi by Flywire
    Free plan AndroidAPIiPhone+1
    7.1 Pricing on request Visit site
  24. 24

    Signeasy

    by Signeasy
    Free plan AndroidAPIiPhone+1
    7.1 Free plan · paid from $10/user/mo · 14-day trial Visit site
  25. 25

    SigniFlow

    by SigniFlow
    Free plan AndroidAPIiPhone+2
    7.1 Free plan Visit site
  26. 26

    Foxit eSign

    by Foxit eSign
    Free plan API
    7.0 Free plan · 14-day trial Visit site

Its free plan costs nothing and includes unlimited digital signatures and templates, but invitation emails stop at 15 per month. Bulk sending and public links need a paid plan, and live API tokens require Professional or Teams. Alternatives may suit teams wanting mobile apps, browser extensions, a fully free open-source deployment, or different entry pricing. Compare supported platforms, authentication and signing workflows, template and bulk capabilities, trial terms, and whether switching is worth giving up OpenSign’s self-hosting and free-tier allowances.

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