Open Source Startups
177 companies tagged Open Source, with their investors and founders.
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.
3 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.
3 investors
Random Labs develops Slate, an autonomous coding agent that can engage in extended work sessions on complex programming tasks.
3 investors
Requestly is a Git-native API client for teams to design, build, and test APIs in a single local-first application. It serves software developers at Fortune 500 companies and offers features like REST and GraphQL support, environment management, and collaboration tools with enterprise-grade security.
3 investors
Robocurve develops open-source tools and benchmarks for evaluating the real-world capabilities of AI systems and robots. The company serves robotics labs and the broader public by providing independent, rigorous evaluation frameworks to assess progress in physical AI and general-purpose robotics.
3 investors
Superlog provides AI-driven observability that automatically identifies, investigates, and fixes issues in software by analyzing logs, traces, and deployment history to propose pull request solutions. The platform instruments code with OpenTelemetry, consolidates related errors into single incidents, and delivers actionable fixes directly to developers via Slack.
3 investors
SuperTokens is an open-source user authentication platform that enables developers to add authentication infrastructure to their products within 15 minutes. The company provides robust user management and authentication services to engineering teams building applications, following an open core model with free base features and paid enterprise capabilities.
3 investors
TraceRoot.AI provides an open-source observability and automatic remediation platform for AI agents, enabling developers to capture execution traces and diagnose issues with AI-assisted debugging that incorporates source code and version control context.
3 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.
3 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.
3 investors
Agent Relay provides infrastructure for software teams to coordinate coding agents such as Claude Code, Codex, OpenCode, and custom agents, offering shared messaging, session history, and integrations with tools like GitHub, Linear, and Slack. It lets teams monitor agent activity, run resumable workflows, and intervene manually, with deployment options in the cloud, locally, or on their own hardware.
2 investors
Bun is a JavaScript and TypeScript toolkit that includes a runtime, bundler, test runner, and package manager designed to be compatible with Node.js projects. It can be adopted incrementally as individual tools or as a complete stack.
2 investors
A native macOS terminal application built on libghostty that features vertical tabs, split panes, notification alerts, and a programmable API for developers working with AI coding agents and terminal-based workflows.
2 investors
Convoy builds webhooks infrastructure for developers and engineering teams to handle event-driven communication at scale. The platform enables reliable message delivery across applications and services.
2 investors
A managed platform that runs Apache Spark workloads on Kubernetes infrastructure, now offered as part of NetApp's product suite for data engineering teams.
2 investors
Firecrawl provides an API to search, scrape, and interact with web content at scale, converting live internet data into clean markdown and structured data optimized for large language models, agents, and AI-native applications.
2 investors
Firezone provides zero-trust network access software built on WireGuard that secures connections to corporate applications and infrastructure. The product serves enterprise organizations and teams requiring secure, remote access to internal systems.
2 investors
Flowise is a drag-and-drop platform for building and deploying AI applications and agents using large language models without coding. It provides modular building blocks, multi-agent orchestration, and support for deployment at scale across cloud and on-premises environments.
2 investors
Font Awesome provides a library of thousands of icons and social media logos that web developers can integrate into websites through simple code implementation.
2 investors
Helicone provides infrastructure for AI companies to route, debug, and analyze their applications. The platform serves developers and organizations building AI systems.
2 investors
Hydra provides analytics query execution for Postgres databases with separated compute resources, automatic scaling, and built-in caching, designed for time series and event data workloads across multiple deployment environments.
2 investors
HyperDX provides distributed tracing and observability software for developers, enabling end-to-end request tracing from browsers and phones to backend servers. The platform uses ClickHouse for fast search across event data and includes features for session replay correlation, log aggregation, and metrics visualization.
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
Khoj builds open-source AI software tools, including a research workbench, an AI co-worker platform, and a personal assistant agent application. The company targets researchers, knowledge workers, and individuals seeking transparent, locally-runnable AI tools.
2 investors























