Developer Tools Startups

Helio provides crypto checkout, deposit, and subscription tools that let merchants accept payments in stablecoins and other digital assets, with instant settlement or auto-conversion to fiat. It offers self-serve merchant accounts, Pay Links, card onramps, and embeddable SDKs and a Shopify plugin for e-commerce, gaming, and app developers.

1 investor

Helios developed runtime application security tooling using eBPF and OpenTelemetry-based data collection at the platform, kernel, and application levels to give security and development teams visibility into how applications behave in production. The company was acquired by Snyk, which is integrating its runtime intelligence into its application security posture management (ASPM) platform.

1 investor

Helium builds a platform for self-improving software that automatically optimizes mobile app experiences. The company initially focuses on paywall optimization for mobile applications.

1 investor

Helivan builds monitoring and evaluation tools for AI systems, including real-time observability for multi-agent systems to detect behavioral changes and emergent behaviors. It also offers evaluation frameworks that integrate into existing evaluation workflows, spanning use from research to production.

1 investor

Clerk automates invoice creation from Jira and Tempo worklogs, letting users send invoices by email and export them to QuickBooks or Xero. It also lets businesses manage products or services and attach them to invoices or quotes.

1 investor

Matrix Framework is a toolkit for building Jimdo websites that offers visual page builders, style editors, and marketing tools directly within the Jimdo editor. It serves website creators and developers who want to build professional websites faster with modern development tools and enhanced performance features.

1 investor

Henna provides commercialization services for research and IP, helping innovators create pitch decks, landing pages, and run targeted outreach campaigns to secure funding and customers.

1 investor

Herald is an AI-powered incident detection and root cause analysis platform that automatically identifies anomalies in software systems and investigates issues before they impact customers. It integrates with existing observability and infrastructure tools to provide rapid diagnosis without requiring manual runbook knowledge.

1 investor

Herdr is a background server runtime that keeps AI coding agents' terminal sessions alive across disconnects, closed lids, and restarts, letting developers reattach from any device. It works with existing agent CLIs such as Claude Code, Codex, Cursor, opencode, and Grok, running as a single binary on macOS, Linux, and Windows.

1 investor

A web hosting platform for AI agents to publish sites, files, and content to the web instantly without account setup. The service caters to developers and AI users needing quick URLs for documents, dashboards, tools, prototypes, and other generated content.

1 investor

HeroDevs provides extended security support for end-of-life open-source software used by financial institutions, enabling them to maintain compliance without costly system migrations. The company offers continuous monitoring, vulnerability patching, and regulatory adherence for legacy technologies across financial services.

1 investor

Heroic Labs builds social and multiplayer infrastructure for games, providing game server, analytics, and cloud tools aimed at game studios building titles that run at large scale. Its offering is the Heroic Game Stack, an integrated platform for the gaming industry.

1 investor

Hessian deploys AI agents and engineers to automate operations and knowledge work across businesses, handling tasks like proposal drafting, invoice reconciliation, and data management. The company provides end-to-end automation systems built on its own platform for enterprise clients.

1 investor

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1 investor

Hexo Labs is building SIA, an open-source Self-Improving AI framework that uses structured feedback loops to let agentic systems evaluate and improve their own components autonomously. It targets researchers, engineers, and domain experts working on open-ended problems across fields such as science, engineering, strategy, business, and the economy.

1 investor

Heyboss is an AI-operated team that designs and builds digital products including websites, apps, and games for clients. The company uses its AI workforce to deliver complete digital experiences from concept to deployment within minutes.

1 investor

Lemon is a voice interface platform that enables users to interact with AI and computer applications through natural speech rather than keyboards or mice. The product targets users seeking faster, more efficient ways to access intelligence and get work done through voice commands.

1 investor

Highlight provides an open-source, fullstack monitoring platform for web applications that aggregates errors, session replay, logs, and other observability data. It serves developers and engineering teams building modern web applications across all popular frameworks.

1 investor

Hilstart provides an AI agent and a hardware interface device called Tracer that automate electronics board bring-up, firmware development, and design validation on real hardware. It serves hardware engineering teams, generating and running approved test plans, driving instruments, and writing results back to their tracker via API, usable in the cloud or from the user's own environment.

1 investor

HintEd provides a digital adoption platform that integrates with existing software applications to guide users through tasks with on-screen tutorials, interactive guides, and behavior analytics. The platform helps organizations reduce digital skills gaps and accelerate user onboarding for both web and Windows applications.

1 investor

Hion offers managed hosting and continuous development services for WordPress websites on Google Cloud Platform, emphasizing security, energy efficiency, and scalability. The company provides DevOps-managed services, automatic infrastructure scaling, and development support focused on the Finnish market.

1 investor

Hiro provides automated security reviews for code and infrastructure, identifying vulnerabilities and generating customer-ready security documentation. The platform serves developers and engineering teams who need to pass customer security assessments.

1 investor

Hive is a software development company that designs and builds custom applications, systems, and web platforms based on client prototypes and specifications. It has delivered projects including incentive/rewards platforms and web development for corporate clients.

1 investor

Hivel is an engineering analytics platform whose Team Pulse and Dev360 features map developers' Git activity — commits, PRs opened, reviewed, merged, and declined — into visual calendars and sortable tables. It helps engineering managers spot workload imbalances, burnout signals, and inactive developers and prepare for 1:1s and standups.

1 investor