Developer Tools Startups

Scott is an alignment layer for software development teams that connects design intent to code through planspaces and code-grounded design reviews. The platform enables teams to define specifications, collaborate on approval, and delegate complete context to AI coding agents, reducing misalignment, rework, and token costs.

3 investors

Screenpipe is a local-first context layer that captures screen activity for enterprise AI agents, enabling them to act on real user behavior. The platform serves enterprise organizations building or deploying AI agents.

3 investors

Behavure AI provides a behavioral intelligence platform for enterprises to monitor, explain, and control AI systems, agents, and LLMs in real time. The platform offers visibility into how AI systems make decisions across users, infrastructure, and data pipelines, addressing the AI black box problem through event-level intelligence and compliance governance.

3 investors

Segments.ai provides a multi-sensor labeling platform for robotics and automotive companies. The platform is used for data annotation and labeling in autonomous vehicle and robotics development.

3 investors

Seltz provides web knowledge infrastructure for large language models and autonomous AI agents, offering continuously updated, high-quality data with precise retrieval capabilities designed for machine reasoning. The platform prioritizes data sovereignty, cost efficiency, and auditable system behavior for enterprise AI applications.

3 investors

Semaloop provides AI agents that run end-to-end tests on mobile apps by interacting with them like real users across text, visual, and audio flows on real devices. It serves mobile engineering and QA teams, offering test maintenance that adapts to app changes plus video replay and debugging visibility for each test run.

3 investors

Sentra provides an organization-wide memory layer that connects fragmented systems (CRM, tickets, repos, docs, meetings, mail) into a single governed context graph that both people and AI agents read from as one source of truth. It resolves facts at write time, tracks when facts become and stop being true via a bi-temporal knowledge graph, and exposes the graph through REST and MCP so applications and agents share the same current context.

3 investors

Serverless provides the Serverless Framework, an open-source tool for developing, deploying, and monitoring APIs, scheduled tasks, workflows, and event-driven applications on AWS Lambda. It targets developers and engineering teams, offering a CLI, plugins, and a dashboard with metrics, debugging, secrets sharing, and SOC 2 Type II compliance for enterprise use.

3 investors

Serverpod is an open-source, scalable app server written in Dart for the Flutter community, generating protocol and client-side code from server endpoints and offering features like an ORM, authentication, caching, file uploads, and logging. It serves Flutter/Dart app developers, provides a managed hosting option (Serverpod Cloud) or self-hosting, and includes an MCP server and built-in vector database for AI-assisted development and RAG features.

3 investors

Shipyard automates the provisioning and management of software environments across the development lifecycle, from development to production. It targets engineering teams and developers looking to ship software faster.

3 investors

Sicura automates security compliance and control management for organizations across government and enterprise. The platform helps teams accelerate compliance processes like Authority to Operate (ATO) and deploy infrastructure securely.

3 investors

Sidecar provides AI agents that help data teams automate routine work and focus on high-impact decisions. It serves data teams by automating defensive tasks while freeing them to drive business value.

3 investors

Comet is an AI-powered web browser from Perplexity that acts as a personal assistant, letting users delegate tasks such as managing email, shopping, planning, and building websites. It is available across Mac, Windows, iOS, and Android.

3 investors

Sigen AI develops a video integrity platform that turns live or recorded feeds into tamper-evident, cryptographically verifiable assets with object-level signing, role-based encryption, and real-time redaction. It serves defense, intelligence, public safety, and law enforcement operations, and also targets retail analytics, smart city, and AI-training use cases.

3 investors

SigmanticAI provides an AI platform for semiconductor teams to automate hardware verification and RTL development using specialized agents that understand design code, run EDA tools, and manage coverage across the design workflow.

3 investors

Signadot provides a Kubernetes-native developer platform that simplifies the development of cloud-native applications by enabling faster feedback loops and collaborative testing at scale. The platform targets development teams building complex microservices-based software.

3 investors

Sim is an open-source AI workspace where teams build, deploy, and manage AI agents across their existing tool stack using 1,000+ integrations and every major LLM. The platform enables automation of real work through visual, conversational, or code-based interfaces for technical teams.

3 investors

Simplifyd provides a cloud platform for deploying applications built by African teams, with no upfront infrastructure setup required. The service offers managed databases, file storage, and zero-rated mobile data access for end-users in emerging markets.

3 investors

SimYog provides EMC (electromagnetic compatibility) simulation software for hardware design teams to identify and resolve EMI/EMC issues during the design phase before physical lab testing. The platform helps electronics manufacturers reduce development costs, accelerate time-to-market, and avoid expensive compliance failures.

3 investors

Skiller Whale delivers intensive micro-workshops led by expert practitioners to help engineering teams develop skills through hands-on learning and experiential education. The company serves software development teams and organizations looking to upskill their engineers through interactive, small-group technical training.

3 investors

Skyhook provides a developer-focused DevOps platform built on Kubernetes that simplifies infrastructure management without vendor lock-in. It targets software development teams seeking easier cloud infrastructure operations with the power of Kubernetes and better developer experience.

3 investors

Slauth.io is a tool that automatically generates and optimizes identity and access management (IAM) policies, surfacing recommendations through pull requests and integrating with infrastructure-as-code tools like Terraform to streamline policy creation and deployment. The service targets DevOps and engineering teams seeking to reduce manual policy configuration work while maintaining security standards.

3 investors

Sleuth helps development teams ship code faster by making knowledge accessible for AI and easy to use. The company targets enterprise development teams seeking to improve deployment workflows.

3 investors

Smallstep provides a Device Identity Platform that secures access for humans, devices, workloads, AI agents, and MCP-based toolchains using hardware-backed, short-lived certificates and mTLS instead of static API keys. It co-developed the ACME Device Attestation standard and targets enterprise security and DevSecOps teams implementing Zero Trust for devices.

3 investors