Open Source Alternatives to Zest.is
21 open source Enterprise options similar to Zest.is, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.
OpenOps53EnterpriseSan Francisco, United States$125KNo-code, open-source cloud automation platform for FinOps and custom solutions.
Open source · Self-hostable
Amplication33EnterpriseTel Aviv, IsraelOpen-source Node.js backend development platform for accelerating application development.
Open source · Self-hostable
ScyllaDB67DatabasePalo Alto, United States$101.0MScyllaDB is a high-performance, low-latency NoSQL database for data-intensive applications, designed to scale with modern infrastructure.
Open source · Self-hostable
Codefresh62EnterpriseBrisbane, Australia$42.0MOctopus Deploy provides a unified platform for continuous delivery, automating deployments, runbooks, and operations for modern applications.
Open source · Self-hostable
DragonflyDB61DatabaseTel Aviv, Israel$21.0MSource-available, multi-threaded Redis replacement for modern cloud workloads.
Open source · Self-hostable
Appwrite58EnterpriseSan Francisco, United States$37.0MOpen-source backend-as-a-service platform for building scalable applications.
Open source · Self-hostable
Backslash Security56CybersecurityTel Aviv, Israel$27.0MAgentic endpoint security for AI coding, providing visibility, governance, and real-time protection.
Open source
WireMock53Enterprise$6.5MIndustry-standard API simulation and mocking platform for reliable software development and testing.
Open source · Self-hostable
Slauth.io43EnterpriseAshburn, United States$1.5MArk Infotech offers Cybersecurity, AI/ML, Data Analytics, and IT consulting services, including the Slauth.io IAM Policy Copilot.
Open source · Self-hostable
Noobaa41EnterpriseSan Francisco, United States$5.0MNooBaa provides an open-source, S3-compatible object storage platform for managing data across private and public clouds.
Open source · Self-hostable
Responsive35EnterpriseSan Francisco, United StatesPlatform for developers building stateful reactive applications on the modern cloud with object store native databases.
Open source · Self-hostable
Omnivore23Consumer AppA free and open-source read-it-later service with AI-powered features and integrations.
Open source · Self-hostable
Zotero22Research ToolsFairfax, United StatesFree, open-source personal research assistant for collecting, organizing, citing, and sharing research.
Open source · Self-hostable
- Llmkb7Knowledge Management
Self-hosted knowledge-graph wiki platform for teams.
Open source
- OPOpenWorker7Agentic AI
OpenWorker is an open-source desktop AI agent that runs locally, integrates with everyday tools, and delivers finished outcomes by breaking down tasks.
Open source
Fractask7Open SourceOpen-source task tree for humans and AI, built around the Fractask method.
Open source · Self-hostable
Logz.io63EnterpriseTel Aviv, Israel$122.0MLogz.io provides an observability platform for cloud-native businesses, combining open-source tools for monitoring and security.
Open source · Self-hostable
Gitpod63Developer ToolsTübingen, Germany$28.0MCloud Development Environments for efficient and secure team software development.
Open source · Self-hostable
Odigos56Enterprise$13.0MOpen-source project for instant distributed tracing and metrics using eBPF and OpenTelemetry.
Open source · Self-hostable
ARMO56EnterpriseTel Aviv, Israel$34.5MARMO provides an open-source Kubernetes security platform, Kubescape, for end-to-end security from development to production.
Open source · Self-hostable
MetalBear56Software DevelopmentSan Francisco, United States$12.5MOpen-core company building tools for modern backend engineers to ship faster and better.
Open source · Self-hostable