Open Source Startups

Medplum provides a data infrastructure and interoperability platform for developers building healthcare products and services. The platform offers secure, compliant infrastructure to enable healthcare innovators to develop applications more efficiently.

5 investors

Nango provides an integration platform that enables software products to connect with 800+ APIs through code-first integrations with built-in authentication and agent support. The platform serves developers and engineering teams building integrations at scale.

5 investors

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.

5 investors

ParadeDB is a Postgres extension that adds full-text search, vector retrieval, and aggregation capabilities to PostgreSQL databases. It enables developers to consolidate search and analytics workloads into a single database using standard SQL without requiring a separate search engine.

5 investors

Pipekit provides management and orchestration software for Argo Workflows, helping data and engineering teams reduce the time and cost of running complex data and CI pipelines on Kubernetes infrastructure.

5 investors

QuestDB is an open-source time-series database designed for high-performance analytics and low-latency querying of temporal data. It serves financial institutions, trading platforms, and enterprises requiring real-time data processing.

5 investors

RunAnywhere is a research-first inference lab that hand-writes GPU kernels and develops SDKs to accelerate large language model inference on consumer silicon, particularly Apple devices. The company provides inference runtime software and open-source tools for developers deploying AI models on mobile and edge devices.

5 investors

SigNoz provides observability and monitoring tools that help DevOps engineers and developers reduce noise and extract actionable signals from their systems. The platform serves engineering teams working with microservices and distributed systems.

5 investors

Standard Cyborg builds cloud and edge tools that let developers and non-developers create, deploy, and improve computer vision applications. It focuses on making computer vision technology accessible for building perception applications.

5 investors

Svix provides a webhooks-as-a-service platform that enables companies to send webhooks reliably and at scale. It serves developers and API teams across all company sizes looking to integrate real-time data infrastructure into their applications.

5 investors

Ukama provides tools and infrastructure that enable organizations to design and deploy their own cellular networks without requiring telecommunications expertise.

5 investors

A platform for golfers to reserve and manage golf course tee times across multiple courses from a centralized application.

4 investors

Formance provides a platform for developers to build and integrate complex financial applications using composable, open-source primitives that can connect to any financial partner. The platform serves enterprise companies globally seeking vendor-agnostic infrastructure for financial workflows.

4 investors

GrowthBook provides a platform for running A/B tests and experiments on websites and products without requiring engineering resources. The platform serves growth teams and marketers who need to test ideas quickly, measure impact, and analyze results across the full customer journey.

4 investors

Infisical is an all-in-one platform for managing application secrets, certificates, and privileged access across cloud, on-premises, and AI infrastructure, serving developer teams and organizations. The platform provides centralized storage, rotation, and auditing of credentials without requiring custom scripts or ad-hoc secret management solutions.

4 investors

Kaelio builds infrastructure for AI agents to answer business data questions using governed context, approved metrics, and auditable sources. The platform serves data teams and analytics leaders who need AI systems to operate with the same definitions, permissions, and business logic as their existing reporting systems.

4 investors

Lantern provides infrastructure and tools on top of Postgres to help companies build reliable AI applications.

4 investors

Lightdash is an open-source business intelligence tool that natively supports dbt metrics and analytics workflows. It provides dashboarding, analytics engineering capabilities, and AI-powered analysis features for data teams.

4 investors

Mattermost offers a self-hosted and cloud open-source collaboration platform with messaging, file sharing, integrations, audio and screen sharing, workflow automation, and project management. It serves technical and operational teams with high security requirements in the technology, public sector, national defense, and financial services industries, including governments and large banks.

4 investors

Modelence is an AI-powered app builder that generates production-ready, full-stack web applications from natural language prompts, including authentication, database, and deployment. It serves developers and non-technical builders who want to create and deploy web applications without writing code.

4 investors

Okteto provides cloud development environments that developers can launch with one click, aimed at eliminating time spent setting up local environments and debugging production-only issues. It targets software development teams of all sizes.

4 investors

OpenReplay is an open-source, self-hosted session replay tool that helps developers debug and understand issues on their websites. It positions itself as an open-source alternative to FullStory and LogRocket, giving teams control over their data and costs.

4 investors

Optic builds open source tools that help software developers document, review, and version API changes during code review, catching breaking changes before they reach production. The tools apply Git, code review, and CI concepts to API descriptions for engineering teams.

4 investors

Payload is an open-source Next.js backend platform serving developers and marketers who need flexibility beyond traditional content management systems. The platform provides infrastructure for building custom content and data management solutions without vendor lock-in.

4 investors