Developer Tools Startups

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.

2 investors

Simplyblock provides an NVMe-first software-defined storage layer for Kubernetes and OpenShift, offering low-latency block storage over NVMe/TCP or NVMe/RoCE with instant snapshots, copy-on-write clones, thin provisioning, and erasure coding. It targets teams running stateful workloads such as databases, event streaming, and analytics pipelines on containers and virtualized environments.

2 investors

Site Bionics develops technology to enhance human experience by integrating physical-world tools with technology, allowing users to focus on human interactions. The company operates across multiple domains to improve how people interact with their physical environment.

2 investors

FireHydrant is an incident management platform that provides on-call and alerting, automated runbooks, a service catalog, status pages, and AI-enriched retrospectives and analytics to help engineering and reliability teams respond to and resolve incidents. It integrates with tools like Slack, Teams, Zoom, and Google Meet and offers enterprise features such as SOC 2 compliance, SSO, RBAC, and API/Terraform extensibility.</parameter> <parameter name="founders">[]

2 investors

SK8 provides a managed data integration layer that connects applications to 170+ systems using natural language, handling connectors, authentication, schema mapping, and syncing to deliver production-ready data infrastructure. It targets developers and enterprises, offering governance features such as audit trails, access controls, and SOC 2/GDPR/SOX compliance.

2 investors

SketchPro is an AI assistant that integrates directly into Autodesk Revit to automate construction documentation tasks for architects and engineering firms. The tool generates dimensioned floor plans, tagged elements, and standardized sheets while enforcing firm-specific standards and reducing repetitive work by approximately 10x.

2 investors

Skygiraffe is an Israeli company that builds a platform for extending existing line-of-business systems to mobile devices. It uses a no-code approach, so organizations can create mobile apps that let staff view and update back-end data without custom development work. The product is aimed at enterprise IT teams supporting field and frontline employees.

2 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.

2 investors

Skyramp is a testing platform that generates and executes automated tests for APIs, integrations, and user flows by analyzing application architecture and dependencies. It serves software engineering teams building complex applications with multiple integrations and interactive components.

2 investors

Smart Token Labs builds infrastructure for tokenization, including TokenScript (a smart token interface standard for composable tokens), AlphaWallet (an open-source EVM mobile wallet), and Smart Layer (a blockchain-based service network that executes token logic and integrates web services with token functionality). It serves token issuers and web service developers seeking to create and manage programmable smart tokens.

2 investors

SnapMagic provides an AI-powered search engine for electronics design that gives engineers instant access to digital models of electronic components. The platform accelerates circuit board and PCB design workflows for electronics engineers and product developers.

2 investors

Sofy is an AI-powered software testing platform where teams describe test scenarios in plain English and autonomous agents write, run, and maintain tests across mobile, web, API, and enterprise ERP applications (SAP, Dynamics 365). It offers self-healing regression testing, real-device testing, and AI root-cause failure analysis integrated into CI/CD pipelines for engineering and QA teams.

2 investors

Sola develops process automation software that uses AI and bots to handle repetitive tasks for enterprise teams. The platform enables organizations to automate workflows and reclaim employee time for higher-value work.

2 investors

Solidity is an open-source, object-oriented programming language for writing smart contracts that run on the Ethereum Virtual Machine. It is developed as a community-driven project under Ethereum, serving blockchain developers building decentralized applications.

2 investors

Solvo provides a cloud security posture management (CSPM) platform with automated remediation to help security and engineering teams identify and address threats, vulnerabilities, and compliance issues across multi-cloud environments. It integrates with existing security and CI/CD tooling; the company was acquired by CYE.

2 investors

Source.dev develops development tools for device software, leveraging deep expertise from building and maintaining Android and related operating systems at scale. The company serves device manufacturers and software engineers working on smart devices and embedded systems.

2 investors

Source provides an edge-first data management stack, including its database DefraDB, that offers offline-first functionality, peer-to-peer synchronization, end-to-end encryption, and verifiable data structures for developers building distributed and edge applications. It targets use cases such as local-first software, mobile apps, autonomous systems, industrial IoT, remote sensing, and edge AI/ML workloads.

2 investors

SourceDNA provides code analysis tools that scan mobile applications to identify and track code components across iOS and Android platforms, revealing information about code quality and origins.

2 investors

Sourcery provides automated code review and security scanning tools that integrate with developer workflows to catch vulnerabilities, logic errors, and security gaps in code from initial writing through merge. The platform is designed for teams working with AI-generated code and operates across GitHub, GitLab, and IDEs.

2 investors

Sovereign SDK is a blockchain development framework that enables developers to customize rollups with flexible configuration options, including transaction prioritization and custom authenticators. The platform prioritizes performance with sub-millisecond transaction confirmations and supports switching between different data availability layers and zero-knowledge virtual machines.

2 investors

Spec is a Mac-based application that integrates with users' digital tools and data sources to proactively assist with tasks like email management, messaging, reservations, task scheduling, and data retrieval across multiple applications.

2 investors

Specific builds infrastructure software for AI coding agents, enabling them to run, deploy, and maintain the code they generate with tools designed for AI-native workflows rather than human developers.

2 investors

Sphere provides stablecoin-based cross-border payment infrastructure, offering REST APIs, SDKs, a self-serve dashboard, and embedded fiat on/off-ramps that settle in under 30 minutes across more than 160 markets. It serves businesses such as neobanks, exchanges, PSPs, marketplaces, payroll platforms, and trading firms for dollar access, cross-border payments, and treasury and liquidity management.

2 investors

Spicenet provides a composable execution API/SDK that connects DeFi apps and assets to liquidity venues, yield sources, and financial instruments across integrated blockchains. It offers infrastructure for chains, apps, and asset issuers to scale distribution and access cross-chain liquidity from a single integration.

2 investors