Developer Tools Startups

Arthur provides AI performance monitoring, optimization, explainability, and bias mitigation solutions for enterprise customers deploying artificial intelligence. The company helps organizations monitor and improve their AI systems to maximize performance and mitigate risks.

5 investors

Asimov develops a computer-aided design platform for genetic engineering, enabling designers to program living cells by applying abstraction, standardization, and modeling to biology. The company serves genetic engineers and biotechnology researchers building engineered biological systems.

5 investors

AssemblyAI builds Voice AI technology for speech recognition and processing applications. The company develops accurate, capable, and safe AI models used across various industries for voice-based applications.

5 investors

Asteroid provides a HIPAA-compliant platform that automates workflows across healthcare systems lacking public APIs, including EHRs, payer portals, and government registries through browser automation and AI agents. The platform reduces manual data entry and integration maintenance work for healthcare software companies and payers.

5 investors

Auterion develops products and services around open standards for autonomous systems technology, contributing to open source projects and supporting academic institutions.

5 investors

Automata builds a hardware-anchored verification layer for autonomous agents, using trusted execution environments (Intel SGX/TDX, AMD SEV-SNP, AWS Nitro) to enable onchain attestation of machine identity, state, and execution. It provides Rust and Solidity SDKs, a DCAP attestation dashboard, and TEE engineering for blockchain and AI workloads, serving developers and infrastructure teams such as rollups and decentralized exchanges.

5 investors

Avatour provides a 360° video platform for remote inspections, virtual tours, and training, enabling participants to explore immersive panoramic views of physical sites in real time. The platform serves manufacturing, supply chain, and logistics teams who need to conduct on-site activities remotely without travel.

5 investors

BentoML provides a platform for deploying, managing, and scaling AI model inference, with support for open-source and custom models across any architecture or framework. It offers tools for packaging models, resource management, monitoring, and deployment on cloud or on-premises infrastructure for AI/ML teams.

5 investors

Bird provides messaging infrastructure for developers, offering SMS, email, voice, and real-time messaging APIs built and operated end-to-end. The platform serves developers and applications requiring reliable message delivery across multiple channels globally.

5 investors

5 investors

Bitpart builds an AI engine and SDK for creating interactive game worlds, letting designers, writers, and animators author characters that converse and interact via its Coppola authoring tool and AI Director without needing programmers. It integrates with Unreal Engine (including MetaHumans, Navmesh, and Behavior Trees) and offers a library of ready-to-use character Archetypes for game developers.

5 investors

Bitrise is a mobile DevOps platform that provides continuous integration and deployment workflows for mobile app development. The company offers free resources to nonprofits, NGOs, and charities for their mobile app development needs.

5 investors

Blocknative builds blockchain data infrastructure, including Gas Network and tools for transaction efficiency, mempool visibility, transaction orchestration, block building, and MEV auctions, serving protocol teams, wallet builders, and institutions. The company has since joined Deloitte and is winding down its API services and Gas Network by June 2026.

5 investors

BotCity provides a centralized platform for managing Python scripts created by AI or human developers, offering orchestration, monitoring, security controls, and governance capabilities.

5 investors

Browserbase provides a browser automation platform that enables AI agents to interact with websites reliably, handling authentication, navigation, and complex actions to automate web-based workflows and data collection.

5 investors

BuildBuddy makes tools for developers to increase productivity. Founded by former Google engineers with experience across Android, Maps, Search, and Cloud products.

5 investors

Bunzz provides a platform for developers to find, deploy, and manage reviewed smart contracts across EVM-compatible blockchains via a GUI, along with an AI-based smart contract audit service and LLM-powered contract documentation generation. It offers pre-built contract modules for NFTs, DeFi platforms, ERC20 tokens, staking, and DAO governance.

5 investors

Caldera provides a rollup engine that lets apps and communities launch customizable, purpose-built blockchains that settle on Ethereum, along with Metalayer for cross-chain connectivity and shared liquidity. It serves blockchain developers and communities across use cases such as gaming, DeFi, and decentralized AI.

5 investors

PagerDuty Workflow Automation lets Dev and IT Operations teams automate manual business processes by combining human-in-the-loop steps such as approvals and decisions with technical automation like Runbook Automation. It targets IT operations teams looking to reduce manual work and human error.

5 investors

Certora provides formal verification and security services for smart contracts and blockchain protocols. The company serves developers and protocols in the cryptocurrency and decentralized finance space.

5 investors

Chain provides infrastructure for stablecoin payments, letting enterprises, banks, payment providers, and fintechs convert between stablecoins and fiat currencies and settle across global banking and card networks. Its non-custodial rails support minting, redemption, bank payouts, off-ramps to Visa and Mastercard, embedded wallets, reconciliation, and built-in compliance controls.

5 investors

Chalk provides data infrastructure and risk modeling for financial services companies. The platform enables lenders and credit platforms to build and manage real-time decisioning systems.

5 investors

Charm develops open-source tools and libraries for building glamorous command-line interfaces and terminal user experiences, including CLI frameworks, UI components, and integrations with language models. The platform serves developers building terminal applications, shell scripts, and command-line tools across macOS, Linux, Windows, and BSD.

5 investors

Checkly provides a monitoring-as-code platform for development teams to build, deploy, and run software applications. The platform targets software developers and engineering teams across industries.

5 investors