Open Source Alternatives to .NET

An open-source, cross-platform JavaScript runtime environment.

Open source · Self-hostable

Octopus Deploy provides a unified platform for continuous delivery, automating deployments, runbooks, and operations for modern applications.

Open source · Self-hostable

Open-source backend-as-a-service platform for building scalable applications.

Open source · Self-hostable

A managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.

Open source · Self-hostable

Visualize, edit, and collaborate on database schemas instantly with a powerful DB diagram editor.

Open source · Self-hostable

ScyllaDB is a high-performance, low-latency NoSQL database for data-intensive applications, designed to scale with modern infrastructure.

Open source · Self-hostable

Source-available, multi-threaded Redis replacement for modern cloud workloads.

Open source · Self-hostable

Sponsors of OpenWALDO, a community-driven initiative for open-source AI training data, and provider of enterprise Linux, HPC, and AI infrastructure software.

Open source

pgEdge offers distributed PostgreSQL that is optimised for the network edge in order to reduce data latency.

Open source · Self-hostable

A real-time search analytics database unifying search and analytics in a single platform.

Open source · Self-hostable

NooBaa provides an open-source, S3-compatible object storage platform for managing data across private and public clouds.

Open source · Self-hostable

Cua provides an open-source framework and cloud desktops for AI agents to control operating systems and desktop applications across Linux, Windows, macOS, and Android.

Open source

Platform for developers building stateful reactive applications on the modern cloud with object store native databases.

Open source · Self-hostable

The world's leading platform for software development and version control, enabling collaboration and code hosting for millions of developers.

Open source · Self-hostable

A service written as a plain Go function, supervised by lesiw.io/proc for reliability and distribution.

Open source

Camunda provides an open-source process automation platform for orchestrating human and system workflows.

Open source · Self-hostable

Company

Open source · Self-hostable

Company

Open source · Self-hostable

Container-native virtualization for Kubernetes, enabling VMs and containers to run side-by-side.

Open source · Self-hostable

Aello creates focused SaaS and open-source products with clarity, security, and durable stewardship.

Open source

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

Open source

A unified data analytics and AI platform built on the lakehouse architecture.

Open source · Self-hostable

Commercializes the open-source Grafana observability platform with AI features.

Open source · Self-hostable

AI acceleration cloud platform for open source and enterprise.

Open source · Self-hostable

High-performance, open-source vector search engine built in Rust for production-grade AI and machine learning workloads.

Open source · Self-hostable

A popular open-source Linux distribution.

Open source · Self-hostable

Open source Firebase alternative with a PostgreSQL backend and real-time capabilities.

Open source · Self-hostable

Full-stack observability platform built on open standards for unifying telemetry and accelerating troubleshooting.

Open source · Self-hostable

Open-source data science platform for enterprise teams, enabling collaboration and reproducible results.

Open source · Self-hostable

Distributed SQL database for cloud-native applications, offering high availability and horizontal scalability.

Open source · Self-hostable

Modern infrastructure as code platform enabling developers to manage cloud resources using familiar programming languages.

Open source · Self-hostable

The world's largest software registry for JavaScript packages and the default package manager for Node.js.

Open source · Self-hostable

Cloud data warehouse for building next-gen analytics experiences with sub-second performance, designed for engineers and AI agents.

Open source

Open-source, end-to-end MLOps platform for enterprise AI development and deployment.

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

Cloud Development Environments for efficient and secure team software development.

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

Cloud-based browser API for AI agents, simplifying web automation with anti-bot protection and session persistence.

Open source · Self-hostable

Mirantis provides cloud-native infrastructure and AI platforms for enterprises to manage and operate complex environments.

Open source · Self-hostable

An open-source developer portal for building and managing software.

Open source · Self-hostable

Open-source project for instant distributed tracing and metrics using eBPF and OpenTelemetry.

Open source · Self-hostable

Open-source data lake management platform for engineers and data scientists.

Open source · Self-hostable

Open-core company building tools for modern backend engineers to ship faster and better.

Open source · Self-hostable

SDK-as-a-service platform for API providers, offering code generation and SDK management to enhance developer experience.

Open source · Self-hostable

Track experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.

Open source

No-code, open-source cloud automation platform for FinOps and custom solutions.

Open source · Self-hostable

Industry-standard API simulation and mocking platform for reliable software development and testing.

Open source · Self-hostable

A universal database management tool for developers and database administrators, supporting a wide range of databases.

Open source · Self-hostable

Developer tools for building modern web applications.

Open source · Self-hostable

API gateway and management platform for microservices and cloud-native applications.

Open source · Self-hostable

An open-source platform for building and running AI coding agents that automate software development tasks.

Open source · Self-hostable

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

Open source · Self-hostable

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

Open source · Self-hostable

Open-source scheduling infrastructure for individuals, businesses, and developers.

Open source · Self-hostable

Provides enterprise-grade database solutions based on the open-source MariaDB, offering advanced features, security, and scalability.

Open source · Self-hostable

Open-source Node.js backend development platform for accelerating application development.

Open source · Self-hostable

Odigos provides an open-source software solution for developers to enable distributed tracing for their applications using OpenTelemetry and eBPF, accelerating production issue resolution.

Open source · Self-hostable

The world's leading software development platform for version control and collaboration.

Open source · Self-hostable

A suite of open-source and professional tools for API design, development, documentation, and testing.

Open source · Self-hostable

Open-source browser extension and RPA software for automating web and desktop workflows.

Open source · Self-hostable