Open Source Alternatives to Marimo

Together AI offers an AI-native cloud platform providing high-performance inference APIs, GPU clusters, and fine-tuning capabilities for open-source AI models.

An open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby.

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

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

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

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

Open-source tool to transform application data into accessible knowledge for AI agents.

Open-access AI cloud platform providing affordable, on-demand GPUs for training and serving AI models.

Open-source Postgres platform for agent scale with copy-on-write branching.

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

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

Persistent memory layer for AI agents and applications.

The open-source platform for labeling image, video, 3D point cloud, and audio data at scale to train artificial intelligence.

An open-source feature store for managing and serving data for AI/ML models in production.

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

An open-source, high-performance DataFrame library for Rust and Python, designed for efficient data manipulation and analysis.

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

An open-source, end-to-end AI agent engineering platform for simulating, evaluating, and optimizing LLM applications.

BenchFlow is a frontier environment lab that builds environments for AI agents to learn and be evaluated on real computer work.

An open-source platform for tracing, evaluating, and debugging AI agents and LLM applications.

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.

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

An independent directory for discovering DeepSeek Harness plugins.

A community-driven marketplace for discovering and deploying Model Context Protocol (MCP) servers and clients.

Open-source library by Meta AI for efficient similarity search and clustering of dense vectors.

An open-source framework for fast and powerful web scraping and crawling, maintained by Zyte.

An open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.

IronClaw is a security-first, open-source AI agent framework that runs agents in encrypted environments, protecting sensitive credentials.

ComputeSDK provides an open-source platform for benchmarking cloud infrastructure, including AI gateways, sandboxes, storage, and browsers, and offers a unified SDK for running code in remote sandboxes.

Experimental open-source framework for building self-building autonomous agents with a novel function framework.

A self-hosted, Rust-native personal AI assistant that emphasizes security, local control, and sandboxed execution for AI agents.

Open-source platform for programmatically authoring, scheduling, and monitoring data pipelines.

Open-source Python framework for building autonomous AI agents and agentic workflows, purpose-built for FinTech operations.

A C/C++ tensor library for efficient machine learning inference on consumer hardware.

Open-source AI platform for securely deploying intelligent agents, private enterprise search, and complex document workflows on an organization's own data.

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

Open-source infrastructure, developer tools, and research for agent runtimes.

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

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

An open-source data integration platform for ELT, reverse-ETL, and AI agents.

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

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

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

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

Open-source AI research lab training decentralized large language models and building infrastructure for accessible AI.

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

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

Cloud Development Environments for efficient and secure team software development.

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

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

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

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

A high-performance, dynamic programming language for technical computing.

Open-source business intelligence and embedded analytics platform.

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

Open-source AI-native vector database that makes knowledge and memory pluggable for LLM applications.

DIMO is a decentralized vehicle data network that empowers car owners to collect, control, and monetize their vehicle data, enabling developers to build mobility applications.

An open-source platform for building and deploying AI agents and workflows.

Nomic AI builds tools to make AI explainable and accessible, focusing on data curation and visualization.