Developer Tools Startups

NodeOps provides a unified operating system for builders and creators to deploy blockchain nodes, build AI models, and execute applications with one-click simplicity and minimal prerequisites. The platform consolidates fragmented development tools into a single interface designed to reduce context-switching and enable uninterrupted creation.

5 investors

Northflank is a developer platform for deploying and running application workloads across cloud providers (AWS, Azure, Google) and bare-metal without infrastructure management or vendor lock-in. It targets software engineers and ops teams building and shipping cloud-native applications.

5 investors

Novu offers a prebuilt, customizable UI component called Inbox for adding real-time in-app notification feeds to applications, handling delivery, unread counts, and user preferences. It targets developers, providing React and JavaScript SDKs to drop in a notification center or build a custom one with headless hooks.

5 investors

Ona provides cloud-based agent infrastructure that runs developer tasks in isolated environments while laptops are closed, automating workflow execution through events, schedules, and pull requests. The platform enables development teams to offload background work like code generation and testing to scalable cloud agents.

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

Oumi is a platform for building, fine-tuning, and deploying custom specialized AI models, automating the model development lifecycle including evaluations, data generation, training, and deployment. It serves ML teams, researchers, and enterprises who want to own their model weights and data rather than rely on rented frontier models.

5 investors

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

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

Parallelz is building a computing architecture and platform that converts existing native mobile apps into native-web apps without code modifications or SDKs, allowing them to run in a browser without installs or app stores. It targets mobile app developers, including in mobile gaming, in the app distribution and discovery space.

5 investors

ParaState builds a high-performance on-chain runtime (based on the WasmEdge WebAssembly VM) that gives Ethereum-compatible smart contracts EVM and EWASM support, letting developers write contracts in languages like Rust, C++, and Golang and bridge Ethereum with Polkadot and other chains. It targets dApp developers in DeFi, gaming, and NFTs and operates as a DAO governed by its STATE token.

5 investors

Patchstack is a security platform that helps make open-source software safer. The company serves developers and organizations using open-source projects.

5 investors

Patronus AI is a frontier research lab building Digital World Models that predict and simulate agent actions in digital workflows to generate large-scale training simulations for frontier AI models. Its simulations span domains including research science, software development, customer service, product applications, and finance, aimed at advancing continual learning toward human-aligned AGI.

5 investors

Payabli offers an embedded payments platform with APIs and components that let software and SaaS companies add pay-in, pay-out, and payment operations capabilities to their products. It helps software providers embed and monetize financial services and payment processing within their applications.

5 investors

PayEngine provides payment processing solutions enabling merchants to accept contactless payments through Tap to Pay on iPhone via a no-code companion app or through API and SDK integration. The company serves merchants and developers in the payments and fintech sector.

5 investors

Pentera provides automated red teaming software that uses AI-powered attack simulation to test security defenses and identify vulnerabilities in enterprise environments. The platform enables organizations to conduct adversarial testing on demand at scale, with configurable attack scenarios ranging from script kiddies to nation-state level sophistication.

5 investors

Phonic was a startup, part of Y Combinator's W20 batch, that was acquired in 2023 by Infillion, a Los Angeles-based ad-tech company.

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

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.

5 investors

Plural is a developer-focused company building around Kubernetes and related technologies (Elixir, Go, React) to enable collaboration among developers. It positions itself as a platform for a developer community to collaborate, learn, and work on complex projects.

5 investors

Pointfive provides a cloud cost optimization platform that surfaces actionable findings across infrastructure such as EKS, RDS, S3, Snowflake, and Lambda, showing each opportunity's owner, risk profile, remediation path, and savings estimate. It lets engineering and platform teams drill from a dollar-value finding down to the underlying configuration to identify and realize savings.

5 investors

Anthropic is an AI company that develops large language models, including its Claude models used by developers. The company reported a revenue run-rate growing from $1B to $9B during 2025 and later crossing $30B–$40B in annualized revenue.

5 investors

Port builds an internal developer portal that provides a product-like experience for developers while enabling DevOps and platform engineering teams to improve productivity. The platform is designed for engineering organizations of any size looking to standardize platform engineering practices.

5 investors

Powerloom is a decentralized data protocol that produces consensus-backed, cryptographically verified datasets stored on IPFS, letting developers build dashboards, bots, aggregators, and APIs for web3 and DeFi use cases. It offers configurable data markets and one-click Snapshotter nodes, with a Uniswap V2 data market as one of its primary implementations.

5 investors

Prisma builds an ORM and database tools for developers to simplify database workflows across application development, deployment, and scaling. The platform targets Node.js and other developer ecosystems.

5 investors