Developer Tools Startups

JumpStart is a non-profit organization that provides programs, capital, and support services to tech startups and small businesses across Ohio, with offerings ranging from early-stage funding to accelerator programs and specialized business development services.

1 investor

Beep is a web-based annotation and feedback tool that enables users to add comments and suggestions directly on web pages without requiring video editing or screenshot skills. The platform serves UX/UI designers, digital agencies, and tech-focused teams seeking streamlined visual communication.

1 investor

Justinmind builds a prototyping and design tool used to design, validate, and test websites and product interfaces. It serves customers across 180+ countries with a distributed team in Europe and the Americas.

1 investor

A web-based debugger for JSON Web Tokens (JWT) that lets developers decode, verify, and generate tokens following the RFC 7519 standard for securely representing claims between parties. It serves software developers working with authentication and token-based security.

1 investor

K2io provides intelligent observability and automated issue remediation for modern cloud-native applications, with specialized capabilities for monitoring AI agents, LLMs, and multi-cloud infrastructure. The platform enables software engineers and operations teams to detect and resolve problems before they impact business metrics.

1 investor

Kable provides billing, invoicing, analytics, and authentication infrastructure for API businesses, enabling developers to integrate these capabilities with minimal setup. The platform helps API companies reduce engineering overhead and implement flexible billing models.

1 investor

Kadoa provides web data collection and curation for businesses, particularly investment firms. The platform aims to replace brittle, error-prone scrapers with a reliable, compliant alternative for retrieving data at scale.

1 investor

A free web-based utility that detects and displays a user's monitor display resolution, color depth, and pixel ratio directly in the browser without requiring software downloads.

1 investor

Kaholo builds a DevOps automation platform that lets teams create and manage workflows without extensive scripting, aiming to reduce onboarding time and improve policy compliance. It serves DevOps and engineering teams in the software development tooling space.

1 investor

KAKUCHO brings emerging technologies like AI and AR into practical, field-ready implementations for real-world use. The company bridges the gap between technical innovation and on-the-ground adoption by refining concepts into deployable solutions.

1 investor

Kamu develops data infrastructure technology for cross-organizational data exchange, enabling efficient sharing and verification of data quality across business, government, and research sectors. The platform combines distributed systems, data versioning, and blockchain technologies to address barriers in the digital economy's data foundation.

1 investor

Personal website of Kanjun Qiu, whose main focus is Imbue, a company building AI agents that help people create and edit software by translating ideas into code. The page also describes her work as an early-stage startup investor at Outset Capital and past ventures.

1 investor

Kapa is an AI agent platform that deploys on documentation sites to answer user questions directly from existing docs and connected sources. It helps documentation teams reduce support load, identify content gaps, and keep answers current through automated source updates.

1 investor

Kapso provides a platform for integrating WhatsApp messaging into applications and AI workflows. The service enables both developers and AI agents to send and receive messages, manage conversations, and build automated WhatsApp interactions with instant sandbox setup and multi-tenant customer connection options.

1 investor

Karambit.AI performs static analysis of software binaries (without source code) to detect malicious or unintended behaviors and verify integrity before deployment. It helps organizations secure their software supply chain and maintain compliance during product release and updates.

1 investor

Karate Labs provides an open-source testing framework that simplifies API and integration testing by parsing human-readable commands into HTTP calls and JSON assertions. The framework serves software engineering teams and is maintained as both free open-source software and a commercial offering with productivity and enterprise features.

1 investor

Kashikoi is an AI evaluation platform that simulates real-world interactions to autonomously assess AI agents without requiring code. The platform helps developers benchmark and optimize AI agents across various task types before deployment.

1 investor

KashVelly provides a GPU-accelerated AI platform for converting text into natural-sounding speech, voice cloning, and multilingual audio generation. The service serves content creators, enterprises, and developers who need scalable voice synthesis for video production, localization, customer support automation, and application integration.

1 investor

Kaskada is a streaming compute engine that connects AI/ML models to real-time and historical data, offering real-time aggregation, event detection, and historical replay for backtesting. Implemented in Rust with Apache Arrow and integrated with Python's AI/ML ecosystem, it targets developers and data teams building real-time AI applications.

1 investor

Katanemo provides AI infrastructure and engineering services to help companies develop and deploy AI agents to production. The company combines research and open-source technologies to accelerate agent development.

1 investor

Katonic provides a platform for building AI agents, offering five build paths ranging from no-code wizards and plain-English creation to visual workflow design, full SDK access, and importing agents from external frameworks. It targets teams developing and deploying AI agents across frameworks such as LangGraph, CrewAI, and ADK.

1 investor

Web3 data analytics tool that provides insights into blockchain, cryptocurrencies, and decentralized applications, helping users monitor trends and identify growth opportunities in their Web3 projects.

1 investor

KBE株式会社 provides researcHR, a Microsoft Teams app for knowledge sharing, and offers consulting services to help enterprises design and implement optimal Teams operational guidelines based on accumulated best practices from multiple organizations.

1 investor

Kedify provides a turnkey autoscaling platform for Kubernetes, built on the open-source KEDA project, that combines telemetry intake, resource right-sizing recommendations, HTTP/queue/GPU and multi-cluster autoscaling, and FinOps cost reporting. It targets enterprise platform and SRE teams that want managed autoscaling with SOC 2, FIPS, and SLA guarantees rather than building it in-house.

1 investor