Dev tools · alternatives · 2026

24 alternatives to Comodo Code Signing Certificate

Remove Unknown Publisher Warning

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

1
Comodo Code Signing Certificate▲2
Digitally Sign & Protect Your Software and Executable Files
2023 · its alternatives →
2
Comodo Code Signing Certificate Solution▲1
Secures Software, apps, EXE and boost developer reputation
2023 · its alternatives →
3
Comodo EV Code Signing Certificate▲2
Improve Microsoft Smartscreen score and build reputation
2023 · its alternatives →
4
Documenso▲760
The open source DocuSign alternative
2023 · documenso.com · its alternatives →
5OO
OpenSign – Open source alternative to DocuSign▲545
2023 · github.com · its alternatives →
6
Comodo EV Code Signing Certificate▲2
Instant Recognition, Trusted by Microsoft SmartScreen
2024 · its alternatives →
7
Certera Code Signing Certificate▲2
An affordable code signing certificate
2023 · its alternatives →
8
Documenso 2.0.0▲451
Enterprise-Grade Signature Infrastructure for Everyone
Nov 2025 · documenso.com · its alternatives →
9
Trusted OV Code Signing Certificates▲2
Secures software, apps, EXEs and boosts publisher reputation
2023 · its alternatives →
10
OpenSign™: Open Source DocuSign & more▲109
Enterprise-Level Document Signing Goes Open-Source
2023 · its alternatives →
11
Single Player Mode▲389
Sign documents for free, with or without an account
2023 · its alternatives →
12
Comodo Elite SSL Certificate▲2
Secure Single Domain with WWW and Non WWW
2023 · its alternatives →
13
Comodo Essential SSL Certificate▲2
Secure Primary Domain and Non-WWW
2023 · its alternatives →
14
Comodo Essential SSL Certificate▲2
SECURES SINGLE DOMAIN WITH WWW AND NON-WWW
2023 · its alternatives →
15
Blockusign▲93
Secure Document Signing & Verification Powered by Blockchain
2018 · its alternatives →
16
Individual Code Signing Certificates▲1
Individual CodeSigning Certificates: Securing Solo Developer
2023 · its alternatives →
17
Formaloo Sign - eSignature forms & docs▲26
Customize free contract templates with secure eSignatures
2024 · its alternatives →
18
open-pdf-sign▲105
Open-source tool for digitally signing PDFs
2022 · its alternatives →
19
Certificate Maker by SmashingDocs▲51
The easiest way to create stunning certificates for free
2024 · its alternatives →
20
SignDocFree▲9
Effortless and secure online document signing for free
2025 · its alternatives →
21
Let's Seal – Let's Encrypt for document signing, free and self-hosted▲94
TLDR, Let's Seal gives the finger to Adobe and every doc signing tool (docusign, google, etc) who pay to play with the Adobe Approved Trust List and then charge you for something that should be free. Currently even the person checking if a document/contract is sealed or code is authentic has to also be inside the same Adobe walled garden too. Verification, the part that should be free is the part everyone charges for. Thats the shape Let's Encrypt fixed for TLS, and I wanted the same thing for documents and files. The core idea therefore needed to go a bit beyond e signatures and i…
Jul 2026 · github.com · its alternatives →
22
Certera Code Signing Certificate ▲2
Digitally Sign your Software/Application Code
2023 · its alternatives →
23
Comodo Positive Multi-Domain SSL▲3
Secure Multiple Domains with One SSL Certificate
2023 · its alternatives →
24
signyourpdf▲12
Secure PDF signatures with blockchain. Fast & reliable.
2025 · its alternatives →

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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 →