Developer Tools Startups

Montra enables product teams to translate feedback and judgment into actionable tasks for AI agents and team members, bridging the gap between human insight and execution. The platform helps teams pair human judgment with agent speed to build products more efficiently.

4 investors

Multiplayer is a developer tool that runs locally alongside AI coding agents to automate the debugging loop—detecting, triaging, deduplicating, and fixing bugs across development, testing, QA, and production. Built on OpenTelemetry and available as open source, it captures full-stack, unsampled session data and feeds aggregated failure context to coding agents like Claude Code, Codex, Copilot, and Cursor to produce merge-ready pull requests.

4 investors

Navier provides cloud-based engineering agents that automate simulation setup and workflows for hardware engineers in aerospace and defense, enabling faster design iterations without manual configuration overhead.

4 investors

NEAR Foundation is a Swiss nonprofit foundation (Stiftung) that supports the NEAR ecosystem, a decentralized blockchain platform for building decentralized applications. It allocates treasury resources and funds ecosystem functions to further decentralization rather than operating the network directly.

4 investors

NeuBird AI develops production operations software that helps engineering teams anticipate and prevent issues before they occur. The platform serves enterprise teams managing infrastructure and production systems at scale.

4 investors

NeuralTrust builds security and reliability tooling for enterprises deploying AI agents and generative AI, including runtime security and offensive/defensive testing. It targets enterprises adopting AI in critical environments.

4 investors

NextBillion.ai offers an API-first mapping and route optimization platform that handles real-world constraints like driver skills, time windows, multi-depot and truck routing for enterprise logistics, fleet, and dispatch operations. It serves businesses from Fortune 500 companies to startups, and in 2025 became part of Velocitor Solutions, a fleet management and telematics provider.

4 investors

NFX is a venture capital firm that builds software products for startup founders, several of which are offered for free. It positions itself as a builder of tools to help founders.

4 investors

Nine Fives develops RF (radio frequency) test equipment for hardware engineers. The company focuses on delivering simple, easy-to-use testing equipment backed by a 30-day money-back guarantee and 2-year warranty.

4 investors

NinjaTech AI builds AI agents designed to make people more productive, including its SuperNinja product. The company develops AI-driven personal assistant and automation technology for general consumer and productivity use.

4 investors

Ninox is an AI-native low-code platform that lets teams build custom business software without coding. It serves users ranging from individuals to large enterprises, with over 5,000 customers, and is based in Berlin, Germany.

4 investors

Nmbr provides payroll infrastructure for Canadian businesses to launch or maintain their own payroll operations, leveraging simplified financial product technology designed by former HR and payroll software leaders.

4 investors

Noibu provides analytics and prioritization tools for ecommerce product teams to understand customer behavior and technical issues affecting conversions. The platform combines behavioral data, AI-driven issue detection, and performance metrics to help teams make roadmap decisions grounded in user evidence rather than instinct.

4 investors

Nuanced provides a desktop application where AI agents assist software developers by converting preliminary concepts into detailed specifications and maintaining involvement throughout the build process.

4 investors

NuMind provides a platform for building custom natural language processing models with applications in tasks like resume-to-job matching; the platform uses large language models to accelerate development workflows for data scientists, engineers, and analysts.

4 investors

o1Labs is a distributed company that incubated the Mina Protocol, working on zero-knowledge cryptography and Web3 technologies. The company develops cryptographic infrastructure and protocols.

4 investors

o11 builds AI agents integrated into enterprise applications. The company serves enterprises looking to embed AI capabilities within their existing software systems.

4 investors

Okahu provides tools for engineers to identify and debug issues in AI agents, offered through a cloud platform.

4 investors

Okteto provides cloud development environments that developers can launch with one click, aimed at eliminating time spent setting up local environments and debugging production-only issues. It targets software development teams of all sizes.

4 investors

Olympix provides a security tool for smart contract development that deterministically analyzes Solidity code to detect and remediate vulnerabilities before audits and deployment. It serves blockchain teams, DeFi protocols, and enterprises managing high-value on-chain assets, combining symbolic execution, fuzzing, custom detectors, and AI to produce audit-level findings and automated test coverage.

4 investors

Remote.it builds private networks using software that enable secure, zero-trust connectivity between authorized users and machines without exposing infrastructure to the public internet. The platform serves operations teams, technicians, and engineers who need remote access to equipment and devices across distributed environments.

4 investors

Onehouse offers Table Optimizer, a managed service that automatically handles clustering, compaction, and data cleaning to improve performance and reduce cost for data lakehouses. It works with Apache Hudi, Apache Iceberg, and Delta Lake, whether on the Onehouse platform or self-managed, serving data engineering teams.

4 investors

Oodle.ai is an observability platform that unifies metrics, logs, traces, APM, and agent observability with AI-driven debugging, built on S3 and serverless compute. It positions itself as a lower-cost, zero-ops replacement for tools like Prometheus, Grafana, Datadog, and Elasticsearch for engineering teams monitoring cloud and Kubernetes environments.

4 investors

Open builds AI systems for customer communication and support that automate ticket resolution, quality assurance, and customer insights in a single unified platform. The company serves businesses looking to consolidate fragmented customer service operations.

4 investors