Open Source Startups

KV.Cash operates a collaborative platform for AI model development and inference, enabling distributed participation in AI advancement through open architectures and shared computational resources.

1 investor

Lamin provides a lineage-native lakehouse platform for biological R&D that enables scientists to query, trace, and validate complex biological datasets across academia, biotech, and pharma. The platform integrates data versioning and cataloging capabilities to close the feedback loop between experimental results and machine learning models.

1 investor

Laudspeaker provides an open source platform for mobile marketing automation and customer onboarding, letting teams create segmented push notification, SMS, and email campaigns with complex scheduling rules.

1 investor

LiteLLM provides an AI gateway that simplifies access to over 100 large language models through a unified OpenAI-compatible interface, with built-in features for fallbacks, spend tracking, and load balancing. The platform serves developers and engineering teams integrating multiple LLM providers into their applications.

1 investor

Lotus provides a pricing and billing platform that helps API-based companies automate usage-based pricing models, with features spanning metering, invoicing, and pricing testing; it offers both an open-source self-hosted version and paid cloud/enterprise tiers.

1 investor

LunaTrace provides a hosted open source tool that identifies vulnerabilities in software dependencies and generates prioritized remediation guidance to accelerate patching. The platform serves development teams seeking to reduce security and compliance risk with less noise than traditional vulnerability scanning.

1 investor

Lunatic is a WebAssembly runtime for building distributed services with isolated, lightweight processes supporting high concurrency and fault tolerance. It targets developers building scalable backend systems and microservices.

1 investor

Magnitude is an AI coding agent optimized for open-source language models like GLM, Kimi, and DeepSeek, designed to generate and execute code with improved reliability and efficiency. The platform serves software developers and teams looking to build with open weights models at lower cost than frontier API pricing.

1 investor

Matano provides a cloud-native security information and event management platform that uses a Security Data Lake architecture as an alternative to traditional SIEM systems like Splunk or Elastic. The platform targets security teams operating in cloud-first environments.

1 investor

Mistle runs engineering agents that automate software development tasks such as code review, bug investigation, and pull request preparation across GitHub repositories. The platform integrates with GitHub, Slack, and OpenAI to help engineering teams automate repetitive workflow tasks.

1 investor

Mito is a spreadsheet-to-Python code generation tool that lets teams automate data workflows using a familiar spreadsheet interface within Jupyter environments. It generates production-ready Python code for data ingestion, transformation, and visualization without requiring users to learn new programming skills.

1 investor

Monosi provides a data observability platform that helps teams monitor and maintain the quality and reliability of their data systems.

1 investor

Moonrepo develops developer tools for managing monorepos and programming language environments. The platform provides tools for teams working with multiple projects and languages to simplify codebase management and automate version control across projects.

1 investor

nCompass Technologies builds an AI agent and VS Code extension that identifies GPU performance bottlenecks and generates optimization code, helping developers reduce GPU system analysis and implementation time from weeks to days.

1 investor

Netmaker provides a WireGuard-based VPN and secure connectivity platform for managing networks across cloud, on-premises, and edge environments. It serves organizations needing encrypted, peer-to-peer network connectivity with centralized orchestration and remote access capabilities.

1 investor

OneCLI is an open-source credential gateway that secures AI agents by injecting API keys at the network layer, preventing agents and LLMs from accessing credentials directly. It works across any agent framework and enforces policies at the proxy level for endpoint blocking, rate limiting, and approval workflows.

1 investor

Onyx is an open-source application platform for large language models that enables teams to leverage any LLM while maintaining data transparency and customization. The platform integrates internet search, internal knowledge connectors, code execution, and model context protocol integrations to provide enterprise and startup teams with flexible AI deployment options.

1 investor

OpenCode is an open-source AI coding agent that assists developers with writing code across terminal, IDE, and desktop environments. It supports multiple LLM providers and prioritizes user privacy by not storing code or context data.

1 investor

OpenInt provides a platform for teams to build product integrations quickly using no-code or low-code tools, offering unified APIs for data operations or direct database synchronization.

1 investor

OpenPipe provides an SDK that automatically captures prompt-completion pairs from existing LLM providers and converts them into fine-tuned models that are faster and more cost-effective to run.

1 investor

Opslane automates verification of code changes by spinning up ephemeral app environments and running acceptance criteria through a real browser, posting screenshots, video, and data checks to pull requests as proof. The platform serves software development teams as an alternative to manual code review and AI-only code analysis.

1 investor

Pangolin provides secure, zero-trust remote access to infrastructure using peer-to-peer tunnels and clientless browser access across on-premises, cloud, and edge environments. The open-source solution, based on WireGuard, verifies identity and context at every step.

1 investor

Pretzel AI develops artificial intelligence products for businesses to improve understanding, decision-making, and operations.

1 investor

RecipeUI is an open source tool for testing and debugging APIs that lets non-backend engineers diagnose API failures independently.

1 investor