Developer Tools Startups

Rainforest offers a no-code platform for end-to-end automated software testing that integrates with any CI/CD pipeline, letting teams improve quality and ship faster without a dedicated QA team.

8 investors

Rasa builds a conversational AI platform that extends large language models with business logic, enabling enterprises to develop AI agents that handle high-volume interactions securely. The platform is designed for organizations that need reliable automation for customer and business interactions.

8 investors

ReadMe lets companies build interactive developer hubs and documentation portals that combine support, tutorials, guides, and API exploration. It targets companies offering APIs that want to maintain up-to-date docs and grow developer communities.

8 investors

Resolve AI provides AI agents that handle on-call rotations, incident investigation, and production operational tasks for software engineering teams, integrating with existing tools via MCP, API, and Skills. The agents triage alerts, investigate incidents to find root cause, and run operational workflows so engineers can focus on building.

8 investors

Router Protocol operates an open, permissionless cross-chain swap network that connects solvers, DEXs, and bridges into a unified system for executing low-slippage swaps across blockchains. It offers developers an API and customizable widget (OGA) to integrate cross-chain swap and bridging functionality into their protocols.

8 investors

Rutter provides a unified API that connects to businesses' systems of record — including accounting platforms and e-commerce systems like QuickBooks, NetSuite, Shopify, and Stripe — using a single consistent schema. It serves B2B fintech companies building integrated financial products for workflows such as financial planning, lending, expense management, and AP/AR automation.

8 investors

Scribe automatically captures and documents work processes, converting institutional knowledge into accessible workflows that teams and AI agents can reference. The platform enables organizations to identify inefficiencies, scale best practices, and integrate workflow data with AI tools for training and automation.

8 investors

ScyllaDB is a NoSQL database built for data-intensive applications requiring high throughput and predictable low latency, powering real-time AI systems at billion-scale data volumes.

8 investors

Sentient Foundation is a non-profit organization committed to building open-source AGI independent of single-entity control. The organization serves researchers, engineers, artists, and academic institutions seeking to develop artificial general intelligence through collaborative, transparent, and open scientific approaches.

8 investors

Shortcut provides a project management and issue tracking platform designed for software development teams to plan and execute projects. The platform emphasizes intuitive design and usability to help teams collaborate effectively.

8 investors

Simular builds AI agents that automate repetitive computer work for knowledge workers using a neuro-symbolic approach combining large language models with symbolic code. The company aims to achieve artificial general intelligence by creating agents that work autonomously like humans.

8 investors

Skyflow provides a data privacy vault delivered via an API that lets companies store, protect, and manage sensitive customer information such as financial, healthcare, and other personal data. It serves businesses that need to add data privacy and security to their apps, systems, and workflows.

8 investors

SlidePay, formerly Cube, offers an API that lets any app accept in-person credit card payments across platforms and devices. It targets app developers needing fast payment integration and was acquired in October 2014.

8 investors

Spacelift is an infrastructure orchestration platform that combines Infrastructure-as-Code, GitOps pipelines, and an AI assistant to let developers provision and manage cloud infrastructure while platform teams retain governance and control. It is offered as managed SaaS, self-hosted, on-prem/air-gapped, and FedRAMP-authorized SaaS, targeting platform and infrastructure engineering teams.

8 investors

Speedscale provides API testing and development tools that help organizations test and debug applications more efficiently. The platform serves software development teams and enterprises looking to improve their development workflows.

8 investors

Squid is a cross-chain platform that connects over 100 blockchains and thousands of tokens, enabling users to route transactions across decentralized exchanges. The platform serves developers and end-users seeking multi-chain liquidity and token swaps.

8 investors

StackHawk provides an API security tool designed for software development teams to identify and fix security vulnerabilities in real-time as part of their development workflow. The platform targets developers and modern software teams seeking to integrate security checks into continuous integration and deployment practices.

8 investors

Swing operates a technology platform that connects qualified substitute teachers with schools and districts facing educator shortages. The platform helps schools fill teacher absences quickly while providing work opportunities for educators.

8 investors

Tabnine is an AI coding assistant that provides context-aware code recommendations to developers and engineering teams, with flexible deployment options including SaaS, VPC, or on-premises. It targets enterprise customers with a focus on security, compliance, and IP control, and is trained only on permissively licensed code.

8 investors

Taskade is a no-code workspace that turns prompts into live, collaborative apps, dashboards, and tools, with AI agents that automate workflows and turn projects into live databases. It targets teams looking to build software and automate work without coding.

8 investors

Uizard is an AI-powered UI design and prototyping tool that lets users create mockups, wireframes, and interactive prototypes for mobile apps, websites, and web apps. It serves product managers, designers, marketers, startup founders, consultants, developers, and enterprises.

8 investors

Unbound builds security infrastructure to govern AI coding agents in enterprise environments. The company provides an Agent Access Security Broker that sits between AI agents and systems they interact with, enabling security teams to discover, audit, and control agent actions without disrupting developer workflows.

8 investors

Finder for Teams is an AI-powered analytics platform that automatically discovers patterns in data warehouse systems and identifies business outcomes that impact KPIs. It integrates with data platforms like Snowflake and BigQuery to help analytics teams find and validate actionable insights with estimated financial impact before implementation.

8 investors

Vellum builds AI development tools and platforms for teams building AI applications. The company focuses on helping customers navigate the rapidly evolving AI landscape through products and expertise.

8 investors