Developer Tools Startups

Brace is a website hosting service that updates sites by syncing files through Dropbox, providing separate Draft and Production versions for iteration and performance. It targets front-end developers building and deploying websites.

2 investors

Bracket is building professional-grade hardware aimed at developers, priced at consumer levels. The product is not yet available, with pre-orders planned to open in May 2026.

2 investors

White Circle provides real-time monitoring, safety controls, and policy enforcement for AI systems across the entire lifecycle. The platform helps teams deploying AI at scale detect failure modes, enforce behavior constraints, and audit AI interactions for compliance and security.

2 investors

Read the Docs is a documentation hosting platform that connects to a Git repository to automatically build, preview, and deploy technical documentation, handling build infrastructure, pull-request preview builds, versioning, and access control. It serves software developers and engineering teams, offers a free tier for open-source projects, and supports tooling like Sphinx, llms.txt, and SSO via GitHub or GitLab.

2 investors

BrowserOS is an open-source browser with built-in AI agents that automate web tasks through natural language commands without coding. It prioritizes privacy and runs locally, supporting multiple AI providers and 40+ built-in integrations for task automation.

2 investors

Xcode Cloud is a continuous integration and delivery service built into Xcode for Apple developers, providing cloud-based tools to build apps, run automated tests in parallel, distribute builds to testers, and manage user feedback.

2 investors

BuildBear Labs provides testing and development tools for Web3 developers to build and verify decentralized applications (dApps) in realistic environments. The platform offers a simulator for EVM-based protocols and a plugin ecosystem that integrates off-chain services, supporting both Foundry and Hardhat frameworks.

2 investors

BuildJet provides faster and secure runner infrastructure for GitHub Actions, allowing developers to speed up CI/CD pipelines by replacing default runners with optimized alternatives.

2 investors

Hybrid is a platform for building custom AI agents and running AI on-chain, offering a Web3 copilot called Atlas for on- and off-chain data insights, along with a mixture-of-experts framework and decentralized storage. It targets Web3 developers and users working with blockchain data.

2 investors

Bun is an all-in-one JavaScript and TypeScript toolkit for building, installing, running, and testing code. It targets JavaScript and TypeScript developers aiming to speed up their development workflow.

2 investors

Bunkyr provides an API that lets applications implement zero-knowledge encryption and password recovery without requiring users to manage seed phrases or backup codes. The platform handles encrypted data protection and account recovery for developers building end-to-end encrypted applications.

2 investors

bunny.net operates a global content delivery network (CDN) and related edge infrastructure aimed at helping developers and companies deliver web content quickly and affordably. Founded in 2015 and headquartered in Europe, it serves over 85,000 customers worldwide.

2 investors

Buzzle analyzes recorded sales and customer success calls to extract trends and metrics that inform product marketing, competitive positioning, and feature demand assessment. The platform automatically identifies customer pain points and market signals from a company's call library.

2 investors

Open-source database governance platform controlling schema changes, access and compliance for engineering teams and AI agents.

2 investors

C12 provides quantum computing strategy and preparation services, including a free cloud-based algorithm emulator and consulting engagements designed to help enterprises build quantum expertise and identify high-value use cases ahead of scalable hardware availability.

2 investors

Caddy is a personal AI assistant accessible via text messaging that helps users manage calendars, reminders, messages, and tasks. It learns individual user preferences and integrates with existing apps to automate routine administrative work.

2 investors

Cadstrom provides automated schematic and PCB validation software that catches design errors traditional ERC flows and manual reviews miss, producing structured validation reports before boards go to fabrication. It serves hardware and electrical engineering teams looking to reduce respins, project cost, and schedule delays.

2 investors

CafeX develops an AI-powered platform for enterprise process optimization and application development that integrates data sources, enables real-time collaboration, and accelerates deployment for corporate developers. The platform combines rapid application development, secure data integration, and natural language processing to help organizations reduce time-to-value in digital transformation initiatives.

2 investors

Cake is a fully managed, modular AI infrastructure platform that helps teams build and deploy AI-powered applications using open source tools with built-in security and compliance. The platform serves development teams looking to accelerate time-to-market for LLM-powered apps and ML pipelines.

2 investors

Caligra is a computer hardware company designing devices for technical professionals including scientists, artists, engineers, and designers to support creative and technical work.

2 investors

Camfer is an AI-powered CAD tool designed to enhance SolidWorks workflows by enabling users to create designs through text and image descriptions and to query design information without manual navigation.

2 investors

Canary is an AI-powered testing platform that automatically generates and executes comprehensive test cases across an application's user journey for development teams. It supports flexible deployment options including cloud, self-hosted, and on-premises configurations.

2 investors

Candu is a no-code UX editor that lets product and growth teams build, launch, and A/B test in-app content such as onboarding flows, banners, and product tours using a drag-and-drop editor and a JavaScript snippet. It serves SaaS product teams looking to create and personalize in-product user experiences without engineering time.

2 investors

Coolican & Company manufactures sustainable furniture for residential and commercial interiors using locally-sourced, FSC-certified hardwoods near Toronto. The company also provides design consulting and custom fabrication services for hospitality, retail, and luxury interior projects.

2 investors