Developer Tools Startups

Loadster is a cloud-based SaaS platform for load testing and site monitoring, letting teams simulate thousands of concurrent bots to find performance bottlenecks and monitor site uptime 24/7 from multiple global locations. It supports Playwright, browser-based, and protocol-level HTTP bots for developers and QA teams testing web applications and APIs.

1 investor

A curated directory and community resource hub for the local-first software ecosystem, aggregating tools, articles, videos, and meetups. It serves developers building local-first applications, which store data locally and use the cloud only for synchronization.

1 investor

localfirst.fm is a podcast focused on local-first software development, featuring interviews with engineers, researchers, and founders working on sync engines, CRDTs, and offline-capable applications. It also organizes the Local-First Conf event for the developer community.

1 investor

LocusX develops KAIRO, an AI-powered bug fixing platform for video game and complex software development that shortens the time to report, analyze, fix, and verify bugs. Initially aimed at game studios, the company plans to expand to other software development verticals.

1 investor

Logarithm Labs provides data quality and usability solutions to help businesses run their operational workflows effectively using technology and expert services.

1 investor

Mezmo offers Active Telemetry, a pipeline that sits between telemetry sources and observability platforms to filter, enrich, and route log and metrics data in real time, reducing data volume and cost while providing curated context to engineering teams and AI agents. It targets observability and SRE teams and integrates with destinations such as Datadog, Splunk, Elastic, and OTel-compatible systems.

1 investor

LogicStar builds autonomous AI agents that maintain software by fixing bugs, clearing backlogs, and generating pull requests with root cause analysis, reproducibility, and test results for developers. Founded in 2024 as a spin-out of INSAIT and ETH Zurich, the company targets teams maintaining production-grade software systems.

1 investor

Logic is a production AI platform where teams write a natural language spec that is turned into a spec-driven agent with typed REST APIs, auto-generated tests, version control, and multi-model routing across providers like GPT, Claude, and Gemini. It targets engineering teams building LLM-based automation for customer-facing features or internal operations without maintaining the underlying infrastructure.

1 investor

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1 investor

Logical Intelligence is developing an energy-based AI model aimed at generating verified code for critical systems across industries.

1 investor

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.

1 investor

LogMeIn provides IT management and security solutions for IT leaders and managed service providers (MSPs) to manage operations, enhance security, and automate IT workflows at scale.

1 investor

Logmind is a machine learning platform that analyzes logs and system data to detect critical issues and provide relevant alerts for IT operations teams. The company serves infrastructure and operations professionals across media, tech, healthcare, and construction industries who need to move from reactive to predictive problem resolution.

1 investor

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.

1 investor

Loom Network is a multichain interoperability platform and Delegated Proof of Stake blockchain (Basechain) that lets developers build and host Solidity-based, Ethereum-compatible decentralized applications with fast, gas-free transactions. It serves dapp developers across major chains such as Bitcoin, Ethereum, Binance Chain, and Tron, and also runs CryptoZombies, a code school for learning to build Ethereum dapps.

1 investor

Loop AI Group is a research-driven applied AI lab that builds enterprise AI agents and orchestration tools, including the Loop Q cognitive platform for training and deploying custom Small Language Models and the Loop AI Agents Orchestra, a no-code control center for managing AI agents across vendors and integrating with legacy systems. The company also runs Loop Quantum AI Labs, which develops quantum-native AI for modeling complex systems, and serves large organizations including Fortune 100 enterprises.

1 investor

LoopPerfect builds Buckaroo, a package manager for C and C++ that handles module and dependency resolution across platforms. It is aimed at software teams that need consistent, reproducible build environments when pulling in third-party code.

1 investor

Loops builds an email platform designed for software companies to manage customer communication and engagement.

1 investor

LootLocker provides backend tools and technology for game publishers and developers to build cross-platform titles, manage player relationships, and connect their game catalogs into unified ecosystems. It serves studios building or operating single or multi-game portfolios.

1 investor

LootLocker provides backend infrastructure and tools for game developers to build cross-platform games and manage player engagement directly, independent of platform gatekeeping. The platform helps studios of all sizes create connected, multi-platform gaming ecosystems and monetize their catalogs.

1 investor

Lotas develops an AI coding assistant embedded in RStudio that helps R-language data scientists and statisticians read, write, and modify code with contextual awareness of their codebase and environment.

1 investor

Lovie prepares and files LLC or C-Corp formation documents for startups and entrepreneurs, offering a transparent all-in-one service that includes registered agent representation, compliance management, and AI-guided entity selection. The platform serves founders, including international ones, across all 50 US states with a one-time filing fee model and integrated compliance tools.

1 investor

Lucent is an AI-powered session replay and product intelligence platform that automatically detects bugs, identifies UX problems, and surfaces behavioral patterns across user sessions. It integrates with analytics and error tracking tools to provide detailed bug reports with reproduction steps and affected user lists.

1 investor

Lucidic builds a platform for optimizing AI agent behavior through automated simulations and parameter tuning. The platform helps teams improve agent reliability, accuracy, and performance across customer-facing applications by systematically varying design choices like prompts, tools, policies, and guardrails.

1 investor