Developer Tools Startups

OpenInfer builds inference infrastructure and tools that enable AI models to run efficiently on resource-constrained platforms and edge devices. The company serves developers, enterprises, and platforms needing to deploy AI without centralized compute dependencies.

4 investors

OpenReplay is a session replay and product analytics platform that enables product teams to record user interactions with web applications, identify friction points, and troubleshoot issues. The product serves software development and product teams across various industries.

4 investors

OpsMill develops Infrahub, a graph-based data management platform with built-in version control and CI workflows designed for infrastructure automation at scale. The platform serves infrastructure engineering teams managing complex automation stacks and data infrastructure.

4 investors

Optic generates OpenAPI specifications from test traffic and maintains their accuracy through automated schema testing and patch application. It helps API developers catch breaking changes and apply linting rules to their API documentation.

4 investors

OrdinalsBot provides tools and a marketplace for creating and trading Bitcoin Ordinals and Runes, including developer APIs and guides. It serves users and developers building on Bitcoin's Ordinals protocol.

4 investors

Osmosis provides reinforcement learning infrastructure that enables AI agents to improve themselves from experience. The platform allows developers to fine-tune models on proprietary data with full ownership, addressing practical challenges in deploying and scaling AI agents across multi-step tasks.

4 investors

Outerport automates the design of electrical and control systems within heavy industrial equipment, using AI agents to convert specifications into verified CAD drawings and structured design models. The platform serves manufacturers and OEMs building complex machines across semiconductors, process plants, and mechanical equipment.

4 investors

OX Security provides application security solutions that help organizations identify and prioritize exploitable, reachable, and impactful risks across the software development lifecycle.

4 investors

Pack Digital provides a platform for ecommerce brands to optimize their shopping experiences with conversion rate optimization tools including personalization, testing, and analytics, built on Shopify integration.

4 investors

Pandium provides a platform for B2B SaaS companies to build, launch, and manage software integrations and technology partnerships at scale. The platform enables faster integration development and deployment while providing analytics, partner management tools, and in-app marketplaces to drive revenue and customer retention.

4 investors

Velora is an intent-based decentralized trading protocol that offers crosschain token swaps, gasless trades, limit orders, on-chain RFQ, and yield optimization, aggregating liquidity from 160+ protocols and market makers across multiple L1 and L2 chains. It provides an API and public library for wallets, dApps, and financial institutions such as asset managers, banks, brokers, and custodians to integrate DeFi execution services.

4 investors

Permit.io provides a full-stack authorization framework that lets developers add access control and Identity Access Management to their products, with low-code tools for the rest of the organization. It offers an open-source, end-to-end solution covering permissions across applications, AI agents, tools, APIs, and data.

4 investors

Phyllo provides normalized APIs across 25+ social platforms, offering both public (no-OAuth) and authenticated (OAuth-based) access to creator profile, post, engagement, audience, and income data on a single schema. It serves companies building social-data products such as influencer marketing platforms, social listening tools, background verification services, creator fintech, and AI agents.

4 investors

Plastic Labs is an AI research lab combining machine learning and cognitive science to build Honcho, an AI-native memory and continual learning system for modeling personal identity, along with its own reasoning models. Its products target developers building AI applications that require personalization and a shared context layer for user alignment.

4 investors

Platform.sh (Upsun) provides a cloud hosting platform for development teams that supports multiple runtime languages and frameworks with centralized control over security, compliance, and spend management.

4 investors

4 investors

Polymet is an AI tool that generates user interface designs and accompanying front-end code from text descriptions or images, enabling non-designers to produce production-ready interfaces without hiring dedicated design staff.

4 investors

Prefect builds intelligent workflow orchestration infrastructure that manages mission-critical automated workflows for teams balancing flexibility with reliability. The platform delivers context-aware automation for enterprises and startups running production environments.

4 investors

Pulumi provides Infrastructure as Code tools using general-purpose languages to help engineers build and manage cloud infrastructure faster. The company serves software engineers and development teams across organizations of various sizes.

4 investors

Quantum Metric provides real-time monitoring, anomaly detection, and root cause analysis for digital experiences across web, mobile, and kiosk platforms. The platform serves technology and development teams seeking to identify and resolve production issues proactively.

4 investors

Qwilr provides proposal software that enables sales teams to create, send, and track branded interactive web-based proposals with built-in e-signature and payment capabilities. The platform integrates with CRMs like HubSpot and Salesforce to streamline the sales cycle by replacing multiple disconnected tools with a single proposal link.

4 investors

A browser extension or command bar interface for the Arc browser that enables users to search and navigate browser history, manage open tabs, and access productivity tools like ChatGPT integration and system utilities.

4 investors

Readyset is a database scaling platform that sits in front of existing MySQL and PostgreSQL databases to accelerate read performance with sub-millisecond latencies. The platform automatically keeps cached query results synchronized with database writes, enabling improved performance and reduced infrastructure costs without requiring application code changes.

4 investors

Recraft is an AI-powered image generation and editing tool designed for professional designers, illustrators, and marketers to create and iterate on original images, vector art, illustrations, icons, and 3D graphics. The platform emphasizes precise text rendering, consistent brand styling, and graphic design generation capabilities for creative professionals.

4 investors