AI · alternatives · 2026

24 alternatives to Certinal

Enterprise Grade E-Signature Suite for Large Enterprises

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Certinal launched in 2024; newer entries below may have overtaken it.

1. 1
   Agree.com▲1,043

   Free e-signature for everyone

   2024 · agree.com · its alternatives →

2. 2
   Documenso▲760

   Enterprise-Grade Signature Infrastructure for Everyone

   2023 · documenso.com · its alternatives →

3. 3
   Legitt e-Signature▲150

   AI-native eSign with Contract Intelligence built in

   2024 · legittai.com · its alternatives →

4. 4
   Sigstr Signatures▲95

   Complete control of employee email signatures

   2015 · email2.terminusplatform.com · its alternatives →

5. 5
   DottedSign▲110

   The e-signature solution for your business

   2019 · dottedsign.com · its alternatives →

6. 6
   OpenSign™: Open Source DocuSign & more▲109

   Enterprise-Level Document Signing Goes Open-Source

   2023 · opensignlabs.com · its alternatives →

7. 7
   Document eSign▲56

   Cloud based platform for electronic signatures

   2021 · documentesign.com · its alternatives →

8. 8
   DocEndorse AI Agent for Microsoft Teams▲69

   Autonomous AI for smarter e-signatures

   Dec 2025 · marketplace.microsoft.com · its alternatives →

9. 9
   Cecuring Enterprise Suite▲5

   NextGen Machine Identity management Suite to govern SSL cert

   2022 · its alternatives →

10. 10
    CertifyMe▲63

    An end-to-end solution for managing digital credentials

    2021 · certifyme.online · its alternatives →

11. 11
    Certopus▲70

    Design & deliver verifiable certificates

    2022 · certopus.com · its alternatives →

12. 12
    AI Signature Generator▲61

    The First AI-Powered Handwritten Signature Tool! ✍️🤖

    2023 · ai-signature-generator.compromath.com · its alternatives →

13. 13
    Crossware▲9

    Most Trusted Email Signature Solution

    2022 · crossware365.com · its alternatives →

14. 14
    DocEndorse▲8

    We built an autonomous AI agent that helps with e-signature workflows - kind of like a smart assistant you can chat or talk to. You can check out the demo here: https://youtu.be/yP19cE7s0TA You just tell the assistant (via chat or voice) what you need. It asks a few simple questions and handles the rest. Here’s what it does: • Creates e-signature requests and templates, or use templates you've created - by chatting with you — no form builders. • Auto-detects fields in your PDFs and suggests who should sign, what type of input is needed (signature, date, title, etc.) based on…

    2025 · docendorse.com · its alternatives →

15. 15
    Unlayered▲16

    Literally only forms and signatures

    2025 · unlayered.ai · its alternatives →

16. 16
    Contractso ▲17

    The Modern Standard for E-Signatures.

    Jan 2026 · contractso.com · its alternatives →

17. 17ES
    Email Signature editor with GSuite integration▲9

    2018 · emailsignature.org · its alternatives →

18. 18
    Online Signature Generator AI▲7

    Your signatures and documents are in safe hands.

    2025 · onlinesignatures.net · its alternatives →

19. 19
    Certyneo

    E-signatures & AI contracts, EU-hosted, GDPR-native

    Aug 2026 · certyneo.com · its alternatives →

20. 20
    Subnoto▲20

    Electronic signatures rebuilt for modern security

    Dec 2025 · subnoto.com · its alternatives →

21. 21
    SECURE▲14

    ITs Fast. Its Safe. Its Secure

    2022 · canva.com · its alternatives →

22. 22
    Certivo▲5

    FDA 21 CFR Part 11 compliant electronic signatures

    Mar 2026 · klyverity.com · its alternatives →

23. 23
    Cert0▲21

    Timestamp your creativity, protect your legacy

    2025 · i.cert0.com · its alternatives →

24. 24
    SignNow▲4

    Affordable award-winning e-signature

    2017 · signnow.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →