Open Source Startups
170 companies tagged Open Source, with their investors and founders.
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.
2 investors
KeyDB is an open source, multithreaded database that serves as a faster alternative to Redis, designed for high-throughput applications requiring horizontal and vertical scaling. It supports multiple data structures, persistence options, and advanced features like MVCC non-blocking queries and cross-region multi-master replication.
2 investors
Langfuse is an open-source AI engineering platform that helps teams build and monitor production-grade LLM applications. It provides observability and analytics for teams building with large language models and generative AI.
2 investors
Lantern provides infrastructure and tools on top of Postgres to help companies build reliable AI applications.
2 investors
Nao is an open-source analytics agent platform that enables users to query data warehouses in natural language through a managed or self-hosted chat interface. The platform is designed for data teams and business users to explore structured data, metrics, and models without writing SQL.
2 investors
Okteto is a developer platform that enables teams to develop cloud-native applications by moving development and preview environments into the cloud. The company serves software development teams of any size seeking to accelerate their development cycles and innovation.
2 investors
OpenFoundry provides a developer platform for discovering, prototyping, and deploying open-source AI models to production environments. The platform serves AI developers and teams building AI-powered products.
2 investors
PeerDB provides fast and cost-effective data replication from PostgreSQL to data warehouses including Snowflake, BigQuery, and ClickHouse, as well as to event queues like Kafka and EventHubs. The open-source tool and commercial cloud service enable change data capture and parallel data migration for engineering and data teams.
2 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.
2 investors
PipelineDB is a PostgreSQL extension that performs real-time aggregation on streaming time-series data, reducing raw data into summary statistics for analytics and monitoring. It serves organizations that need continuous aggregation for dashboards and reporting, particularly those handling large-scale data streams where repeated aggregation would otherwise be costly.
2 investors
Grafana Pyroscope is an open source continuous profiling system that aggregates performance data and enables application teams to identify resource usage and performance bottlenecks down to the source code level. It integrates with Grafana and correlates profiling data with metrics, logs, and traces for comprehensive application observability.
2 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.
2 investors
Random Labs develops Slate, an autonomous coding agent that can engage in extended work sessions on complex programming tasks.
2 investors
Reworkd is an AI-powered web data extraction platform that automates end-to-end data scraping and monitoring from websites at scale without requiring code. The platform serves businesses and data teams that need to collect, validate, and maintain large volumes of web data across multiple sources.
2 investors
Shuttle is an open source cloud platform for developing and deploying web applications with Rust, replacing container technology with a lightweight alternative to achieve sub-second deploy times. It targets backend developers seeking faster development cycles and simplified cloud infrastructure management.
2 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.
2 investors
Stackup is a smart account platform that enables crypto companies to manage onchain financial operations through modern infrastructure for digital asset management. The platform targets enterprise-grade crypto businesses seeking to streamline transactions, hardware wallet management, and administrative processes.
2 investors
Superglue provides AI agents that automate enterprise system integration, data migration, and implementation work across cloud or on-premises infrastructure. The platform connects disparate systems and performs data synchronization tasks that typically require manual engineering coordination.
2 investors
Trieve provides backend infrastructure for implementing search, retrieval augmented generation, and recommendation systems, offering pre-built tools for ranking tuning, model customization, and hybrid semantic-keyword search.
2 investors
Vibrant Labs builds tools for teams to develop AI systems that function effectively in real-world applications. The company focuses on providing developer tooling for machine learning and AI implementation.
2 investors
Vocode provides open-source and API-based tools for building and deploying voice agents that handle phone calls. The platform serves developers and enterprises building conversational AI applications across any AI stack.
2 investors
Windmill is a platform for building, deploying, and orchestrating internal software including scripts, workflows, and applications across teams. It supports multiple languages and provides governance, observability, and enterprise-grade security features for organizations managing business-critical automation at scale.
2 investors
Activepieces is a no-code workflow automation platform that enables teams to connect apps, APIs, and webhooks to automate business processes across finance, marketing, sales, operations, and other functions. The platform offers AI-powered agents, enterprise integrations, role-based access control, and flexible deployment options for organizations of all sizes.
1 investor
Arroyo builds a stream processing engine designed for cloud environments and ease of use, enabling real-time data processing for companies building real-time applications. The platform serves organizations needing to process data with low latency without the need for specialized streaming infrastructure teams.
1 investor