Sigstore is a free, open source project focused on software supply chain security.
Alternatives to Gitsign
SignPath provides code-signing and software-integrity controls for builds and releases.
AWS Signer is a managed code-signing service that helps verify code integrity and publisher trust.
- 4
Cosign
Cosign is a free tool for signing and verifying OCI container images and other software artifacts.
Free planLinuxmacOSSelf-hostedWindows6.6Free plan - 5
OpenPubkey
OpenPubkey links a user or workload identity verified through OpenID Connect to a public key, allowing that identity to sign messages and artifacts.
Free planAPILinuxmacOSSelf-hosted6.6Free plan - 6

SignServer
SignServer is a server-side platform for managing signing keys and digitally signing code, documents, and timestamps.
Free planWebAPILinuxmacOS6.5Free plan - 7
Aujas Automated Code Signing Platform
WebLinuxmacOSSelf-hosted6.3 - 8

Keyfactor Platform
Keyfactor Platform, through Keyfactor Command, helps teams discover and manage certificates across certificate authorities, clouds, and environments.
WebAPISelf-hosted6.3 - 9
sslTrus Remote Code Signing Service
sslTrus Remote Code Signing Service provides remote cloud signing for software applications.
WebLinuxmacOSWindows6.3From $75 a year - 10

Bamboo Deploy
Bamboo Deploy is a cloud code-signing service for developers of Windows apps.
WebAPILinuxmacOS6.2From $15 a month - 11

DigiCert Software Trust Manager
DigiCert Software Trust Manager helps teams control and automate software signing across release artifacts, tools, and people.
WebAPILinuxmacOS6.2 - 12
GoGetSSL Cloud Code Signing
GoGetSSL Cloud Code Signing lets organizations digitally sign software with a certificate accessed over the internet.
WebmacOSWindows6.1From $425 a year - 13
Notation
Notation is a free, open-source command-line tool for signing and verifying container images and other artifacts stored in OCI registries, including…
Free planLinuxmacOSWindows6.1Free plan - 14
Signotaur
Self-hostedWindows6.1$199 one-time - 15

CyberArk Code Sign Manager - Self-Hosted
CyberArk Code Sign Manager - Self-Hosted governs private code signing keys managed by Trust Protection Foundation.
WebAPILinuxmacOS6.0 - 16

SignPath Foundation
SignPath Foundation provides code-signing certificates to eligible open-source projects, linking published binaries to their source repositories.
Free planWebAPI6.0Free plan - 17
Red Hat Trusted Artifact Signer
Red Hat Trusted Artifact Signer (RHTAS) helps organizations sign and verify software artifacts, including container images, binaries, documents,…
WebLinuxmacOSSelf-hosted5.9 - 18
LAAVAT PKI and Signing Platform
WebAPISelf-hosted5.6 - 19
PACE Code Signing Platform
PACE Code Signing Platform helps software-platform publishers verify who created third-party applications and plug-ins and whether they changed after signing.
LinuxmacOSWindows5.6 - 20

Azure Artifact Signing
Azure Artifact Signing is a paid cloud service for signing software and other artifacts.
WebLinuxWindows5.5From $9.99 a month - 21
Signo
Signo is a free, open-source signing service that you self-host for file signatures and Windows Authenticode signing.
APILinuxSelf-hosted5.5 - 22
Code Signing Key Management Server (CSKMS)
Code Signing Key Management Server (CSKMS) is a self-hosted server that protects code-signing keys and signs firmware, applications, software images,…
APISelf-hosted5.4 - 23

CodeLocker
CodeLocker is a code-signing platform from Zeva for software supply-chain traceability and provenance.
5.4 - 24
ComSignTrust Secure Code Signing Platform (ASCS)
ComSignTrust Secure Code Signing Platform (ASCS) signs code files to authenticate their origin and integrity and identify the organization that developed them.
WebAPI5.4 - 25
The Update Framework
The Update Framework (TUF) is a free, open-source framework and specification for securing software update systems.
5.4 - 26
SSL.com eSigner for Code
WebLinuxmacOSWindows5.1 - 27
GaraTrust
GaraTrust is enterprise code-signing software for binaries, containers, drivers, packages, firmware, and SBOMs.
Self-hosted5.0


