Developer Tools Startups

Klamp provides a toolkit for product leaders to manage integrations and workflow automation, enabling them to accelerate product innovation and drive expansion revenue. The platform helps companies reduce engineering overhead on integration maintenance while increasing user retention through native integrations and automation capabilities.

1 investor

Klarent is an AI-powered autonomous testing platform by fore ai that generates, runs, and self-heals end-to-end tests for web, iOS, and Android applications from plain-English descriptions, with no scripting required. It targets enterprise engineering and QA teams across finance, insurance, travel, retail, media, and SaaS.

1 investor

Klavis provides a platform for training AI models on long-horizon coding tasks, including code editing, test writing, and debugging, using reinforcement learning and supervised fine-tuning with Docker-packaged environments.

1 investor

Klira provides measurement and risk assessment tools for AI agents, including SDKs for monitoring agent behavior, incident registries, and testing suites. The company serves enterprises deploying AI agents, insurance companies, and regulators seeking independent verification of AI agent safety and failure rates.

1 investor

Kloner is a Norwegian web operations and e-commerce company that designs, builds, and operates digital platforms for small and medium-sized businesses. The company has shifted from traditional platform management to developing its own suite of products—Kaduno for business operations, PullPush for integrations, and Validoria for testing—which it maintains in production for its customers.

1 investor

Knack is a no-code, AI-powered platform for building custom business applications, internal tools, portals, and relational databases from a prompt or visual editor without writing code. It targets business teams, operations and technical staff, and agencies, offering built-in compliance (SOC 2, HIPAA, GDPR), workflow automation, and 700+ integrations.

1 investor

Knowis builds Workbench, an AI-assisted platform that unifies software architecture, design, and decisions into a single versioned model connected to issue trackers, code repositories, and CI/CD. It targets product and engineering teams looking to integrate early-stage ("shift left") design work with implementation and generate code and tests from structured design specs.

1 investor

Koard provides a white-label Tap to Pay SDK for iPhone and Android, along with an mPOS product, multi-processor routing engine, and compliance/onboarding services for Apple entitlements. It is aimed at payment platforms such as PSPs, ISVs, and ISOs that want to embed contactless payments under their own brand.

1 investor

Kobaküs provides a single API that connects businesses to 850+ banks across Turkey, Europe, and the MENA region for open banking, covering account data access, payment initiation, and account verification. It targets companies building open banking applications, digital wallets, and account-to-account payment flows.

1 investor

Kochito Labs is an experimental AI studio that builds tools, agents, and prototypes, including a native iOS client for the OpenClaw self-hosted agent backend, agentic apps that add features on request, an AI music production CLI, autonomous game and startup-idea generators, and SMS/Twitter-based AI companions. It also runs a community and lab that backs longer-horizon AI projects from founders, researchers, and students.

1 investor

Kodezi builds an autonomous operating system for code that automatically maintains, debugs, documents, and optimizes software without developer intervention. It integrates with development workflows and production systems to replace manual code maintenance tasks.

1 investor

1 investor

Kontena.io has been acquired by Suptask, a Slack-based ticketing tool aimed at technical teams such as engineering, software development, platform engineering, DevOps, and operations. The page now redirects to Suptask rather than describing an active Kontena.io product.

1 investor

Kopherbit provides automotive electronics software and hardware solutions for electric vehicle manufacturers and integrators, covering AUTOSAR platform architecture, vehicle controllers, functional safety engineering, cybersecurity implementation, EV charging communications, and diagnostic services aligned with automotive compliance standards.

1 investor

Korix provides a secure gateway that connects AI clients like ChatGPT and Claude to the apps a company already uses, letting teams add tools once and have the right capabilities surface automatically per user. It offers a managed app catalog, MCP server registration, browser-based tool actions, per-person access policies, approval queues for risky actions, and audit logging for enterprise teams.

1 investor

Korso AI is a quantitative trading firm that develops data, measurement, and trading systems for financial markets. The company also offers open-source and beta products including Shepherd (agent coordination tool), programmatic trading APIs, and Korso Research (an AI-native research workspace).

1 investor

Korvaed provides fractional CTO-level engineering on a flat monthly retainer, helping SaaS companies and technical founders with cloud infrastructure, cost optimization, CI/CD pipelines, SOC 2 compliance, and putting AI/LLM features into production. It works exclusively with fast-scaling SaaS businesses that lack a senior engineering layer.

1 investor

Kosmos analyzes signals across enterprise systems to automatically identify root causes of incidents in under 60 seconds. The platform integrates with tools like Salesforce, Jira, and GitHub to correlate operational data and surface structured, evidence-backed insights for support and engineering teams.

1 investor

Kosuke provides cloud sandboxes where development teams can run coding agents (such as Claude Code, Codex, ZCode, and Kimi Code) alongside a fully imported working stack. It integrates with tools like Slack, Linear, and GitHub so teams can issue tasks and watch the agents build and ship changes.

1 investor

Kovzy provides an all-in-one platform for restaurants covering online ordering websites, QR-code digital menus, and a POS system. Its tools handle direct online sales, card and mobile payments, delivery cost calculation, menu and recipe management with ingredient cost analysis, and reporting across in-house sales and delivery aggregators like Glovo and Wolt.

1 investor

Krunch offers on-demand product management, engineering, and marketing services that use AI and code to help build software products.

1 investor

Kubegrade Diagnostics provides troubleshooting and root cause analysis for Kubernetes clusters at scale, using context-aware analysis that correlates alerts, events, logs, and cluster states. It integrates with Infrastructure as Code systems and external management tools to help platform teams identify and resolve issues through automated workflows and GitOps-centric processes.

1 investor

Kurrent (eventstore.com) develops KurrentDB, an event-native database that preserves the full history of data changes and streams them in real time to support event sourcing, microservices, agentic AI, change data capture, and sync-engine architectures. It offers client libraries for Java, .NET, Go, Python, Node.js, and Rust, and is available as a managed cloud service, a self-hosted enterprise edition, and a free community edition for developers.

1 investor

Kurtosis is an open-source tool for building, deploying, and testing multi-container environments, with a focus on blockchain development and testing workflows through reusable packages. It serves developers who need to spin up private, portable devnets and testing setups.

1 investor