Developer Tools Startups

Kyber builds real-time control infrastructure that reduces network latency to single-digit milliseconds, enabling operators to remotely control robots, drones, and autonomous systems with minimal delay. The platform synchronizes video, audio, control inputs, and telemetry for applications ranging from surgical robotics to warehouse operations across multiple industries.

3 investors

LabLabee builds an AI-powered copilot tool designed to help telecommunications engineers navigate cloud-native and multi-vendor network environments. The platform targets telecom teams globally who are managing the transition from legacy infrastructure to modern architectures.

3 investors

lakeFS provides a data version control and control-plane layer that sits between object storage and the tools, users, and AI agents that work on petabyte-scale multimodal data, offering Git-like branches, commits, and rollbacks without copying data. It targets enterprise ML platform, data engineering, and agentic AI teams that need reproducible, governed, and auditable access to images, video, audio, logs, JSON, and table formats.

3 investors

Laminar analyzes, builds, and governs enterprise systems for small to large businesses using proprietary implementation intelligence technology. The company serves organizations ranging from small and medium-sized businesses to Fortune 10 companies.

3 investors

Laminar is an observability and debugging platform for AI agents that captures failures, surfaces root causes, and confirms fixes through trace visualization, automated anomaly detection, and eval-driven development. It serves AI teams building and iterating on agent applications.

3 investors

Langfuse is an open-source AI engineering platform that helps teams build and monitor production-grade LLM applications. It provides observability and analytics for teams building with large language models and generative AI.

3 investors

LangWatch's Scenario is an open-source tool that runs multi-turn adversarial "red-team" tests against AI agents, simulating jailbreaks, prompt extraction, data exfiltration, and other attacks to find vulnerabilities before deployment. It targets teams shipping AI agents to production, integrating with any agent via a thin adapter and adding adversarial coverage to CI pipelines.

3 investors

Lark provides AI-powered testing infrastructure for engineering teams that can test UIs, APIs, SDKs, and async workflows through natural language tests. The platform integrates with CI/CD pipelines like GitHub Actions and GitLab CI, and alerts teams via Slack, email, or PagerDuty when tests fail.

3 investors

Last9 is an observability platform that ingests metrics, logs, traces, and profiles and correlates them into unified dashboards, alerts, and AI agents for engineering teams. It supports high-cardinality telemetry data, OpenTelemetry-native integrations, and AI co-pilots (via Claude, Cursor, or Slack) to help teams triage and remediate issues while controlling costs.

3 investors

Latent Technology develops AI-driven tools and technology for game creators and players to design and experience virtual worlds. The company applies deep learning to reinvent game development processes and player experiences.

3 investors

Latitude provides a Global Fiat Payouts API that sends funds from USD or stablecoins (USDC) to recipients worldwide, handling currency conversion, compliance, and last-mile delivery through local payment networks. It serves developers and businesses making cross-border payments across regions including Latin America, Europe, Asia Pacific, and North America.

3 investors

Layup builds AI-powered automation software that guides users and acts on their behalf within complex applications, reducing adoption friction and support needs. The product targets software companies and their end-users across enterprise and consumer applications.

3 investors

Leapwork is an enterprise testing and automation platform that validates applications across legacy, cloud, and AI-native systems for large organizations in financial services, healthcare, manufacturing, and retail. The platform uses AI-driven orchestration to create, manage, and update automated workflows with deterministic execution and continuous quality validation.

3 investors

Legit Security provides an application security platform that helps organizations identify and manage software vulnerabilities and risks across their development environments. The platform serves enterprise security teams seeking to reduce alert fatigue and improve visibility into their application attack surface.

3 investors

Letta is an AI research lab building self-improving digital agents that use memory-native reinforcement learning and programmatic context management to learn continuously from experience over time.

3 investors

This page announces the retirement of AppOptics, an application performance monitoring product, and directs users to migrate to SolarWinds Observability SaaS. The replacement platform provides integrated application performance monitoring for distributed and cloud-native environments.

3 investors

LightLink is an Ethereum Layer 2 blockchain that simplifies blockchain interactions for enterprises and developers. The platform provides account abstraction, chain abstraction, and personal AI agents to enable frictionless blockchain experiences.

3 investors

Lightpanda is a headless browser engine written in Zig designed for web automation, crawling, and AI agents, offering significantly lower memory usage and faster execution than Chrome. The company serves developers and businesses needing efficient browser automation for cloud-based workloads.

3 investors

Lightyear, based in the United States, provides a platform for blockchain-based payments and currency exchange, with an emphasis on developing markets. It supports cross-currency and cross-asset transactions for its clients.

3 investors

Limrun provides cloud-hosted iOS and Android simulators integrated with Xcode for AI agents and development teams to build, test, and validate mobile applications. The platform enables remote builds, real-time feedback, and demo sharing without local setup.

3 investors

Liquality builds decentralized tools and protocols, including a browser-extension crypto wallet that offers a multi-chain interface to Web3 with interoperability features. The project, incubated in Consensys, is transitioning toward a decentralized autonomous organization (DAO) for community governance.

3 investors

Liquid Instruments develops Moku, a reconfigurable integrated test system for complex research and development applications. The platform serves engineers and scientists who need customizable test configurations for advanced testing scenarios.

3 investors

Lita builds zero-knowledge proof infrastructure, including Valida, a zkVM with compiler tooling that lets developers write zkSTARKs using general-purpose languages like C and Rust, plus an open-source STARK toolkit for arithmetization and polynomial interactive proofs. It targets developers and applications needing verifiable computation and provides integration support from applied cryptography researchers.

3 investors

LlamaIndex provides document parsing and AI agent workflows that automate document-based administrative operations such as invoice matching, contract data extraction, form processing, and compliance reporting. It serves enterprise operations and developer teams building retrieval-augmented generation (RAG) and agent-based applications.

3 investors