Gitness
With 37,400+ GitHub stars and active daily development by the Harness engineering team, Gitness is the open-source developer platform that ships Git hosting, container-native CI/CD pipelines, a Docker-compatible artifact registry, and cloud developer environments in a single Go binary consuming approximately 100 MB of RAM — compared to GitLab's 4+ GB minimum footprint. Born as the next generation of Drone CI, Gitness inherits Drone's battle-tested pipeline engine while adding complete source code management with pull requests featuring threaded code review comments, suggested changes, required reviewer approvals, and merge strategies including squash and rebase. Branch protection rules enforce mandatory pull requests, minimum peer reviews, passing status checks, and force-push blocking. Pipelines use Drone-compatible YAML syntax with stages, steps, and service containers, triggered automatically on code changes with results displayed directly in pull request checks. The built-in container registry eliminates the need for separate Harbor or Docker Registry deployments, supporting Docker image push and pull plus Helm chart storage. Gitspaces provide on-demand remote development environments configured via industry-standard devcontainer.json files. Encrypted secrets management with Gitleaks-powered secret scanning blocks commits containing hardcoded credentials. One-click migration imports existing GitHub Organizations and GitLab Groups, automatically converting GitHub Actions and GitLab CI pipelines to Gitness YAML. The REST API with OpenAPI specification enables programmatic management of all resources. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache 2.0 licensed.
KubeSphere
Managing Kubernetes shouldn't require every developer to become a Kubernetes expert — KubeSphere wraps cluster operations, CI/CD, service mesh, and observability into guided web workflows that operations teams configure once and developers consume without kubectl. The LuBan extensible architecture treats each capability as an independently installable extension plugging into a lightweight microkernel: enable DevOps without service mesh, add monitoring without the app store, compose exactly what your organization needs. Multi-cluster management provides a centralized control plane for provisioning and operating clusters across cloud providers, data centers, and edge locations with unified identity and resource quotas. The DevOps extension integrates Jenkins for graphical pipeline creation with S2I and B2I workflows, while Argo CD powers GitOps continuous deployment with real-time sync status. Istio-based service mesh provides traffic management, canary deployments, circuit breaking, and distributed tracing through the console without CLI knowledge. Prometheus monitoring with custom dashboards, Fluentd log collection with multi-tenant search, and alerting via Slack and email complete the observability stack. Multi-tenant workspace hierarchy enforces resource quotas and fine-grained RBAC roles across teams. A built-in Helm-based app store handles lifecycle management across clusters. KubeKey deploys production-grade clusters on bare metal or VMs with air-gapped support. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache-2.0 licensed.
Tau
Tau delivers a complete self-hosted cloud platform where Git is the control plane and WebAssembly is the runtime. The Go binary deploys as interconnected nodes that form a P2P network using libp2p for automatic service discovery, eliminating Kubernetes entirely. Serverless functions compile to WebAssembly for secure multi-tenant execution with automatic horizontal scaling — write in Go, Rust, AssemblyScript, or C and deploy by pushing to Git. Branch-based environments map Git branches to isolated deployments, so staging and production run identical infrastructure from different refs. Static website hosting serves frontends with global distribution and automatic content-addressed deduplication via IPFS-derived storage. The built-in K/V database provides distributed storage with automatic replication across nodes, while object storage handles file management with content addressing. Pub/Sub messaging enables real-time communication between functions and external services including WebSocket support. Spore Drive automates multi-host deployment and rolling updates from a single command across bare metal or VMs running Ubuntu. The Dream CLI provides a complete local development environment that mirrors production exactly — same services, same routing, same deployment flow. Zero-configuration HTTPS provisions TLS certificates automatically for custom domains. The web console at console.taubyte.com provides visual project management, or use the tau CLI for Git-native workflows. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. BSD-3-Clause licensed.
Stormkit
Stormkit delivers a self-hostable PaaS that eliminates vendor lock-in while providing Vercel-class deployment workflows. The Go backend handles build orchestration, hosting, and background job processing while the React frontend provides a complete management dashboard for applications, environments, and team collaboration. Git integration with GitHub, GitLab, and Bitbucket enables push-to-deploy workflows where every commit triggers automated builds with preview links posted directly to pull requests. Serverless functions use filesystem-based routing — each TypeScript or Node.js file in the API directory becomes an endpoint automatically, deploying to AWS Lambda with configurable timeouts. PostgreSQL database schemas ship with automatic migrations, isolated credentials per environment, and secure environment variable injection preventing credential leakage between staging and production. Custom domains provision TLS certificates automatically through Let's Encrypt with support for custom certificates and headers. The environment system creates isolated deployment contexts for production, staging, and development with independent variables, domain bindings, and auto-publish rules per branch. Privacy-respecting server-side analytics track visitors, referrers, and top paths without client cookies or third-party scripts. Role-based access control manages team permissions across applications. Docker Compose deployment provisions the full stack including the API server, hosting service, build runner, and worker server. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. AGPL-3.0 licensed.
Forgejo
Governed by the non-profit Codeberg e.V. with over 150 contributors and quarterly major releases reaching v16.0 in July 2026, Forgejo delivers a complete code collaboration platform in a single Go binary that runs comfortably on 512 MB of RAM — providing full Git hosting with SSH and HTTPS, pull requests with inline code review, issue tracking with labels and milestones, kanban project boards, wikis, and an integrated package registry supporting Docker, npm, PyPI, Maven, NuGet, and Cargo. Forgejo Actions provides GitHub Actions-compatible CI/CD with reusable workflows, OpenID Connect for secure third-party access, ephemeral runners for autoscaling, and dynamic matrix support for complex build pipelines. The platform implements ActivityPub-based forge federation allowing issues, pull requests, and stars to work across independent instances — enabling a decentralized development ecosystem similar to how Mastodon federates social networks. Organizations and team permissions provide fine-grained access control, while LDAP, OAuth2, and OpenID authentication integrate with existing identity infrastructure. Code search indexes repositories for fast discovery, LFS handles large files efficiently, and mirror synchronization imports repositories from GitHub, GitLab, and other forges. Deploy via a single static binary, Docker container, or official Helm charts with SQLite for small instances or PostgreSQL and MySQL for production workloads. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. GPLv3+ licensed.