Developer Tools Startups

OrientDB is an open source multi-model NoSQL database management system that combines graph and document data models in one operational database. It aims to provide high-performance read and write operations and can serve as a replacement for a relational or single-model operational DBMS.

1 investor

Osseus builds a permissioned research brain that connects tools and data across R&D teams to surface past experiments, expert knowledge, and next actions. The platform serves technical and research teams in biotech, manufacturing, and similar knowledge-intensive industries by maintaining continuous memory of how work evolved and preventing repeated efforts.

1 investor

OTOY develops 3D rendering software and cloud rendering services for creative professionals, including OctaneStudio+ and tools for visual effects workflows.

1 investor

OTPless provides an OTP-free identity and authentication platform delivered as a single integration with nine products, including silent network (SIM-carrier) auth, WhatsApp/SMS auth, passkeys, and device intelligence for fraud and risk scoring. It serves consumer apps and businesses (with customers among India's category leaders such as Meesho and Astrotalk) handling user login and verification.

1 investor

Outerbase provides a platform to democratize access to data across organizations, enabling users to query and interact with their data regardless of their role. The company serves teams and individuals who need on-demand access to databases and data infrastructure.

1 investor

Outerbounds builds a full-stack platform for machine learning and data science, comprising the open-source Metaflow framework and enterprise-grade infrastructure to help data scientists and engineers design, develop, and deploy ML and data science applications. The platform serves data scientists and engineers who work on data-intensive projects across organizations of all sizes.

1 investor

Oviato provides an SDK for developers to create self-custody crypto wallets using device passkeys instead of seed phrases, with support across Bitcoin, EVM, Solana, and other chains. It also offers a chain-agnostic identity (Ovi ID) and drop-in USDC checkout for users and AI agents based on x402 and ERC-3009 standards.

1 investor

Oxels provides a way to embed a company's contracts into AI coding tools such as Cursor, Claude, and Codex.

1 investor

OxidOS builds a Rust-based secure operating system and web-based development tools for safety-critical automotive ECUs running on medium-size microcontrollers. Built on the open-source Tock OS, it runs memory-sandboxed, digitally signed applications on arm and RISC-V chips to improve security and cut software development and certification time.

1 investor

A personal portfolio site by a designer offering pre-made Webflow templates for uses such as agencies, portfolios, blogs, eCommerce stores, events, and wellness businesses. The templates are sold as ready-to-use website designs for creatives and small businesses.

1 investor

Pagedraw was a UI code generation tool that allowed developers to design interfaces and automatically generate JSX code. The product has been discontinued and released as open source.

1 investor

PageIndex is a document AI platform that provides reasoning-based, vectorless retrieval to generate traceable, source-grounded answers from complex documents. It offers a consumer chat product, a developer API/MCP for retrieval without embeddings or vector databases, and an enterprise version with security and deployment options.

1 investor

Paima Studios builds onchain games and the Paima Engine, a framework for developing fully on-chain Web3 games and "Stateful NFTs" where game state lives on the blockchain. Its titles include Tarochi: Monster Chronicle, Wrath of the Jungle: Tower Defense, and Jungle Wars, running on networks such as Xai and Arbitrum Orbit.

1 investor

Paladin Cloud offers an open source, Security-as-Code platform that helps developers and security teams identify and remediate risks across cloud environments such as AWS, Azure, and GCP. The product is aimed at securing cloud-native applications and data for engineering and security teams.

1 investor

Paligo is a cloud-based content management system (CCMS) that helps technical writers create, manage, and publish documentation at scale using single-source content strategy. The platform serves technical documentation teams across enterprises seeking faster content creation, consistency, and multi-format publishing capabilities.

1 investor

Palisade provides AI agents for online marketplaces, giving each buyer a personal agent that knows the catalog and pricing, giving sellers/owners an agent that explains their performance data, and routing high-intent leads to the operator's team. It installs via a single script tag and integrates with a company's booking engine, PMS, CRM, and catalog.

1 investor

Palladium builds a credit layer for tokenized institutional finance on the Canton network, providing lending markets, collateral systems, and structured credit instruments engineered in Daml. It serves institutions and teams working with tokenized assets such as Treasuries, funds, and private credit, and also funds protocols and applications extending its infrastructure.

1 investor

Palmier builds a video editor that integrates AI assistance to help creatives produce video content while preserving human creative control. The product operates as open-source software positioned as the main interface for next-generation film and media production.

1 investor

Palosade builds AI agents that work alongside enterprise security teams, integrating into existing workflows with embedded business context to help automate security programs and meet regulatory and customer security requirements. The company targets businesses adopting AI while managing cybersecurity and compliance demands.

1 investor

Palsbots is a contract development division specializing in custom applications for robots and AI systems, including development for Android-based platforms like Pepper and RoboHon, as well as specialized work in speech recognition, machine learning, and sensor integration.

1 investor

Pamir builds a dedicated Linux computer for AI agents, with a custom OS layer optimized for AI coding assistants like Claude Code and remote development from any device. Its Distiller product targets developers needing 24/7 AI coding assistance, hardware engineers flashing and testing embedded systems, and non-expert builders working with hardware.

1 investor

Panels creates high-quality audio datasets for training and evaluating voice AI models, serving voice AI companies from early-stage startups to frontier research labs. The company offers both off-the-shelf and custom audio data products with optional exclusivity rights.

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

Paper Compute builds infrastructure for teams working with AI agents, providing tools to capture agent activity, route model traffic, debug workflows, and create durable records of agent work. The company serves developers, platform teams, and engineering organizations moving from experimentation to production agent deployments.

1 investor