Developer Tools Startups

Liquidware provides software for managing digital workspaces, helping organizations migrate and modernize Windows, VDI, and cloud environments, monitor digital employee experience, manage applications and user profiles, and optimize infrastructure costs. Its tools serve enterprise IT teams working across physical, virtual, and cloud end-user computing environments.

2 investors

LiteLLM provides an AI gateway that simplifies access to over 100 large language models through a unified OpenAI-compatible interface, with built-in features for fallbacks, spend tracking, and load balancing. The platform serves developers and engineering teams integrating multiple LLM providers into their applications.

2 investors

LocalStack for Snowflake is a local emulator of the Snowflake data platform, letting developers run and test Snowflake features such as tables, tasks, streams, stored procedures, and API integrations on their own machines. It targets developers and data engineers building on Snowflake who need a local development and testing environment.

2 investors

Personal website of Logan Kilpatrick, an angel investor and developer who works at Google DeepMind enabling developers to build with Gemini. He makes personal investments of $100k–$300k in developer tools and AI-enabled applications.

2 investors

Logcat.ai builds a debugging tool for embedded and automotive systems that correlates signals across multiple layers — such as CAN, VHAL, Android Automotive, modem firmware, and Yocto builds — to surface bugs that single-layer tools and grep cannot detect. It targets engineers working on complex embedded and automotive software stacks.

2 investors

LogicMonitor is a software company that provides infrastructure monitoring services relying on data centers for its cloud-based platform. The company is committed to sustainability through partnerships with environmentally responsible data center operators and internal green initiatives.

2 investors

Veracode Risk Manager is an application security posture management platform that aggregates vulnerability and risk data from multiple tools and repositories to provide unified visibility and prioritized remediation guidance for development and security teams.

2 investors

Lulo is a DeFi product that allocates stablecoin deposits across top lending and yield protocols (such as Morpho, Kamino, Maple, and Pendle on Solana and Ethereum) using a rules-based weighting by TVL and rate, with automated smart contract coverage that protects principal if a covered protocol fails. It offers a RESTful API so wallets, apps, and platforms can offer this protected yield to their own users.

2 investors

Lumar is an enterprise-grade website intelligence platform that helps developers, SEOs, and digital marketers collaborate through centralized technical health metrics, automated SEO QA testing, and fast site crawling. The platform integrates into CI/CD pipelines and provides automated alerts to prevent SEO errors before deployment.

2 investors

Lupin & Holmes provides offensive cybersecurity and social engineering services, drawing on research-based strategies and creative problem-solving. The company serves organizations seeking security testing and vulnerability assessment within the cybersecurity industry.

2 investors

Lynx provides an AI platform that automatically diagnoses and remediates engineering incidents in production environments, such as data anomalies and outages, by gathering information and identifying root causes. The platform helps engineering teams reduce downtime and incident resolution time.

2 investors

Lyrebird develops speech synthesis and voice cloning technology for developers, originating from research at the MILA lab at the University of Montréal.

2 investors

Machine0 provides on-demand persistent virtual machines with NixOS or Ubuntu, pre-installed development tools, and per-minute billing for developers and AI agents needing isolated compute resources. The service offers dedicated CPU/RAM, static IPs, and optional GPUs across multiple geographic regions.

2 investors

Maestro is a tool that analyzes AI-assisted coding sessions to distinguish well-scoped, verified engineering work from unchecked AI output, surfacing that assessment before a pull request is merged. It targets software engineering teams working with AI-generated code.

2 investors

Magicflow provides a platform for running large-scale experiments and refining generative AI workflows, serving prompt engineers, visual artists, and data scientists working with AI systems.

2 investors

Magic Lane provides navigation and mobility software solutions for businesses and developers, emphasizing privacy-first design and offline capabilities built on European infrastructure. The company serves public authorities, emergency responders, and businesses seeking alternatives to foreign-controlled mapping and navigation platforms.

2 investors

Magnetic is a software development and design firm that helps businesses modernize legacy systems, build custom applications, and deploy advanced technical solutions. The company serves clients across various industries through research, design, and full-stack development services.

2 investors

Magnitude is an AI coding agent optimized for open-source language models like GLM, Kimi, and DeepSeek, designed to generate and execute code with improved reliability and efficiency. The platform serves software developers and teams looking to build with open weights models at lower cost than frontier API pricing.

2 investors

Major League Hacking (MLH) runs hackathons, remote fellowship programs, and the DEV (dev.to) online developer community, offering 12-week paid open-source internship alternatives and events for software creators. It serves developers and students learning and building software, with company sponsors such as Google, GitHub, and Snowflake.

2 investors

Fable provides accessibility testing and training tools for product teams to integrate disability-focused feedback into their design and development workflows. The platform helps organizations build accessible digital products proactively and at scale across Figma and Jira integrations.

2 investors

ManageXR is a deployment platform for VR and AR applications that helps organizations manage and control fleets of headsets. The company serves enterprises, schools, and healthcare institutions deploying immersive technology at scale.

2 investors

Manicule helps AI agents discover and use software products by optimizing documentation, code examples, and content distribution. The company provides documentation audits, information architecture, content creation, and monitoring to ensure products are discoverable and usable by AI agents and developers.

2 investors

Marble provides developers with infrastructure to connect to health data sources and facilitate consumer-mediated data exchanges, handling compliance, security, and explicit user consent. The platform serves wellness apps, digital health applications, insurance, and other health-focused services.

2 investors

Replit is an AI-driven coding platform that enables developers to build, publish, and collaborate on applications with integrated AI assistants and automation tools. It serves developers of all levels seeking to accelerate application development from code to deployment across mobile and web platforms.

2 investors