Open Source Alternatives to DigiCert

Ark Infotech offers Cybersecurity, AI/ML, Data Analytics, and IT consulting services, including the Slauth.io IAM Policy Copilot.

Open source · Self-hostable

Snyk is a developer security platform that helps software teams find and fix vulnerabilities in code, open source dependencies, containers, and cloud infrastructure.

Open source · Self-hostable

Socket is a software supply chain security company that proactively blocks malicious open-source packages and extensions in AI-driven software development.

Open source

Secures the software supply chain with verifiable builds and open-source security tooling.

Open source · Self-hostable

Open-source password manager for individuals, teams, and businesses.

Open source · Self-hostable

ARMO provides an open-source Kubernetes security platform, Kubescape, for end-to-end security from development to production.

Open source · Self-hostable

Open-source identity and authorization services for applications, offering composable and scalable IAM solutions.

Open source · Self-hostable

An applied cybersecurity research lab using AI agents to autonomously discover, exploit, and verify software vulnerabilities.

Open source · Self-hostable

Open-source, cloud-native runtime security tool for detecting anomalous application behavior across hosts, containers, and Kubernetes.

Open source · Self-hostable

Independent defensive security research focused on detection engineering, threat analysis, and open-source tooling for defenders.

Open source

Kryptvakt offers a secure, decentralized platform for managing and sharing sensitive data.

Open source

Open-source, self-hostable secret manager where the server cannot read your secrets.

Open source · Self-hostable

A production-ready, lightweight open-source virtualization platform for environments from homelabs to hyperscale infrastructure.

Open source

A popular open-source Linux distribution.

Open source · Self-hostable

Logz.io provides an observability platform for cloud-native businesses, combining open-source tools for monitoring and security.

Open source · Self-hostable

Canonical develops and supports Ubuntu, a leading open-source operating system for cloud, servers, and edge devices.

Open source · Self-hostable

Creator of InfluxDB, an open-source time series database for managing and analyzing high-volume, high-speed data.

Open source · Self-hostable

Open-source hardware and software company providing microcontrollers and kits for digital devices.

Open source · Self-hostable

Cisco's internal incubation engine for emerging technologies like agentic AI and quantum networking.

Open source · Self-hostable

A low-cost, community-supported development platform for hobbyists and developers.

Open source

A non-profit organization stewarding open source software projects, communities, and collaborative industry ecosystems.

Open source · Self-hostable

A complete, cloud-native IoT platform to connect, manage, and command device fleets at scale.

Open source