Developer Tools Startups

Ressl AI provides a platform for training, benchmarking, and deploying autonomous agents in production business systems. The product serves teams developing AI agents that need to move from prototype to operational deployment.

3 investors

Restate is a lightweight runtime that turns AI agents, workflows, and backend services into durable processes with durable execution, consistent state, and reliable communication. Built on a Rust runtime, it lets developers write resilient distributed applications that automatically resume after failures, running on servers, containers, or FaaS via self-hosting or Restate Cloud.

3 investors

Revyl provides mobile testing and verification infrastructure for development teams, capturing runtime evidence from iOS and Android builds. The platform enables teams to run end-to-end mobile workflows, track app behavior, and generate shareable evidence for verification across release pipelines.

3 investors

Rewind.ai is a platform that provides access to 400+ AI tools and models—including self-hosted open-source models (Qwen 2.5, FLUX, Kokoro, Whisper) and external models (GPT-4, Claude, Gemini)—through a single token-based system with a free tier. It runs inference on its own GPU infrastructure and bills external model usage per token at provider cost with no subscription.

3 investors

Rhino builds a system of record for enterprise business logic, rules, and decisions that are typically scattered across legacy systems and processes. The platform helps organizations modernize by cataloging and governing decision logic, enabling faster and safer digital transformation.

3 investors

Snow Commander is a hybrid cloud management platform that automates resource provisioning, lifecycle management, and multi-cloud visibility across public and private cloud environments including AWS, Azure, GCP, and on-premises infrastructure.

3 investors

RiverMeadow provides a unified platform for migrating, optimizing, and modernizing workloads across hybrid and multi-cloud environments. The platform serves enterprise organizations managing server migrations and supports legacy OS upgrades and database modernization.

3 investors

Riveter is a web data extraction and automation platform that searches, navigates, and retrieves specific information from the internet for teams across e-commerce, marketing, real estate, and other data-dependent industries. The platform uses AI to extract and classify data at scale, replacing manual research with automated workflows.

3 investors

RMRK is a for-profit Web3 company and the main developer of the open-source Modular NFT standards, building products and dApps on top of that infrastructure for NFT creators and users. Its offerings include the Skybreach metaverse and the Singular NFT marketplace.

3 investors

Roark builds a quality testing platform for voice AI agents using audio-based evaluation models. The platform allows teams to simulate calls before launch, score production conversations on audio, and validate fixes before customer deployment in healthcare, finance, insurance and other regulated industries.

3 investors

Rocket is an AI platform that helps users research market problems and opportunities, generate recommendations with evidence, build applications from natural language prompts, and monitor competitive intelligence—covering the full cycle from decision-making to deployment in a single system. It serves product teams, engineers, founders, and business leaders across various industries.

3 investors

Roofline develops an SDK for edge AI applications that enables developers to import and deploy models across diverse hardware using a Python interface and proprietary AI compiler technology.

3 investors

RudderStack provides real-time event data transformation, letting engineering and data teams modify, clean, enrich, and govern event data in flight using JavaScript or Python before it reaches downstream tools. Its Transformations feature supports data privacy, quality controls, custom integrations, and advanced use cases like real-time personalization and activations.

3 investors

RunLocal provides a platform that helps teams optimize AI model inference for edge devices like Nvidia Orin and Qualcomm hardware using AI-powered coding agents. The service reduces model latency, decreases engineering time, and enables faster deployment without requiring specialized optimization experts.

3 investors

Runscope provides API monitoring and testing tools that detect API failures before they impact end users. The platform helps development teams reduce downtime and resolve issues faster.

3 investors

Safe Intelligence provides a software platform, tooling, and services that use formal verification, testing, and robust learning to validate and harden machine learning models such as neural networks and tree ensembles. Its offering targets ML/MLOps teams seeking more reliable, robust models, with deployment locally or via private/single-tenant cloud and API-based pipeline integration.

3 investors

SafeStack is an application security (AppSec) program management platform that helps software teams embed secure development practices across the SDLC, using frameworks like OWASP SAMM and NIST SSDF. It offers program tracking, role-specific security education, and secure development certifications to help organizations build security culture and meet compliance requirements.

3 investors

Sagittal builds Neo, an AI tool for the software development lifecycle that adapts to how development teams work. The company focuses on AI that integrates with existing team workflows rather than requiring teams to change their practices.

3 investors

A cloud platform that provides runtime, delivery, AI-native operations, and enterprise control capabilities for running containerized workloads, managing deployments, and operating infrastructure with AI assistance. It supports multi-cloud and on-premises deployment across AWS, GCP, Azure, Huawei, and self-hosted environments.

3 investors

Sanctum provides staking infrastructure for the Solana blockchain, including liquid staking tokens (LSTs), white-label validators, and custom LST launches for projects and exchanges. It also offers a liquidity engine for yield on SOL and Web3 DevOps tooling for transaction delivery and RPC request handling.

3 investors

Sandgarden is an incubator that focuses on problem-solving and shipping products. Details about specific services, target customers, or industry focus are not provided on this page.

3 investors

Satsuma provides infrastructure for developers to extract, transform, and query blockchain data from multiple networks via APIs. The platform addresses the technical challenge of accessing distributed ledger information for web3 application development.

3 investors

Scalar builds API documentation, SDKs, and tooling for developers to integrate with APIs more easily. The company serves software engineers and companies that want to provide Stripe-level developer experiences without building these tools in-house.

3 investors

Scorecard provides AI testing and evaluation software that helps teams replace subjective reviews with systematic testing for building trustworthy AI products. The platform enables continuous evaluation and generates recommendations to improve AI system performance.

3 investors