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Alternatives to GrowthBook

2 editor-selected alternatives · GrowthBook overview →

source: tools.alternatives · stored order · active records only; review scores are annotations and never change membership or order

A directional evidence panel appears only when the substitute rationale, trade-offs, sources, and verification date have been recorded. Older selections without that panel remain visible but are unclassified under the new evidence contract.

Flagsmith logo
1

Flagsmith

open sourcefreemiumexplicit relation

Flagsmith is an open-source feature flag and remote config platform with 15+ SDKs, a clean REST API, and simple Docker deployment. It supports boolean, multivariate, and string flags with segment-based targeting, A/B testing via flag variations, and environment-based workflows. Flagsmith provides a straightforward self-hosted alternative to LaunchDarkly with full API-first design under a BSD-3-Clause license.

Freemium open-source feature flag and remote config platform (BSD-3-Clause). Flagsmith Cloud Free tier ($0/mo) includes 50,000 requests/mo, unlimited flags, environments, and segments. Start-Up tier is ~$45/mo for 1M requests and 3 seats; Scale-Up is ~$250-$300/mo for 5M requests, 5 seats, RBAC, and SAML SSO. Enterprise plans offer custom volume, private cloud/air-gapped hosting, and 24/7 SLAs. 100% free for self-hosting on Docker/Kubernetes.
Resolve AI logo
2

Resolve AI

explicit relation

Resolve AI automates production incident investigation, diagnosis, and remediation acting as an AI SRE that participates in every on-call rotation. Autonomously investigates incidents pursuing multiple hypotheses in parallel, validates against real evidence, creates code snippets and drafts PRs, generates post-mortems, and onboards new teammates with instant answers about code and infrastructure. Drives 5x faster MTTR and 87% faster incident investigations.

Resolve AI provides enterprise autonomous production engineering (AI SRE) agents on custom sales-led pricing based on engineering team size, infrastructure integrations, and incident volume.

Open-source GrowthBook alternatives

Flagsmith — see all open-source developer tools.

Free GrowthBook alternatives

Flagsmith offer a free plan or free tier.

More DevOps & Deployment tools

same category, not editor-selected alternatives — see how GrowthBook compares →

CiliumCilium is a CNCF Graduated, Apache-2.0 project for Kubernetes networking, security, and observability using eBPF. It can replace kube-proxy, enforce identity-aware L3-L7 network policies, and add Hubble flow observability plus Tetragon runtime-security signals. Current source checks support GKE Dataplane V2 using Cilium/eBPF and Azure CNI Powered by Cilium for AKS.OrbStackOrbStack is a macOS application that replaces Docker Desktop with lightweight container and Linux VM management. Its docs emphasize fast starts, lower CPU and memory overhead, and native macOS integration with menu bar controls, file sharing, and network access to containers by name, with exact gains depending on workload. Supports Docker, Kubernetes, and full Linux VMs.RayRay is an open-source distributed computing framework built for scaling AI and Python applications from a laptop to thousands of GPUs. It provides libraries for distributed training, hyperparameter tuning, model serving, reinforcement learning, and data processing under a single unified API. Ray's public site highlights OpenAI and other enterprise users. Maintained by Anyscale with Apache-2.0 open-source licensing.ActAct is an open-source tool that runs GitHub Actions workflows locally using Docker containers that match GitHub's execution environment. It provides instant feedback on workflow changes without pushing to a repository, supports matrix builds, secret management, and artifact handling. Act can also replace Makefiles by using workflow files as task definitions, making it useful for both CI/CD development and local task automation across development teams.ClerkClerk is a complete authentication and user management platform for React, Next.js, and modern JavaScript frameworks. It provides pre-built UI for sign-in, sign-up, user profiles, organizations, MFA, passkeys, JWT sessions, webhooks, and billing. The Hobby plan supports up to 50,000 monthly retained users per app, with Pro, Business, and Enterprise tiers for growing teams.DockerIndustry-standard container platform for building, shipping, and running applications in isolated, reproducible environments. Package apps with all dependencies into portable containers using Dockerfiles and images. Docker Compose orchestrates multi-container applications. Docker Hub hosts millions of pre-built images. Docker Desktop provides GUI management on Mac/Windows. Essential for local development, CI/CD, and production deployments. The foundation of modern containerized infrastructure.ModalModal is a serverless compute platform that lets developers run AI workloads on GPUs with a Python-first SDK. Functions deploy with decorators, auto-scale from zero to thousands of containers, and bill per second. It supports LLM inference, fine-tuning, batch jobs, and sandboxes, with current GPU options including B200, H200, H100, A100, L40S, A10, L4, and T4. Modal’s 2026 Series C valued the company at $4.65B.PangolinIdentity-based remote access platform built on WireGuard that combines reverse proxy and VPN capabilities. Pangolin supports clientless browser access for web apps and client-based private-resource access across macOS, iOS, Windows, Linux, and Android, with zero-trust rules, peer-to-peer tunnels, automatic SSL, SSO/OIDC options, and cloud or self-hosted deployment.ArgoCDArgo CD is the most popular GitOps continuous delivery tool for Kubernetes. It continuously monitors Git repositories and automatically syncs application state to match the desired configuration. A CNCF graduated project used by thousands of organizations for deploying to Kubernetes clusters.

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FAQ

Which GrowthBook alternative is listed first?

Flagsmith is first in the editor-selected list of 2 GrowthBook alternatives. The stored order is editorial; review scores do not determine membership or position.

Are there open-source GrowthBook alternatives?

Yes — Flagsmith are open source.

Are there free GrowthBook alternatives?

Yes — Flagsmith offer a free plan or free tier.