Developer Tools Startups

Semicolon provides technology training for individuals seeking to become tech professionals, and offers talent placement, employee upskilling, and digital transformation advisory services to businesses across Africa.

1 investor

Semiotic develops AI agents that automatically create landing pages for startups, addressing the gap between poor-quality automated website builders and expensive agency services.

1 investor

Sencha provides JavaScript and Java frameworks and development tools for enterprises to design, develop, and test web applications across desktops, smartphones, and tablets. The company offers professionally built components and testing solutions to accelerate multi-platform application development.

1 investor

Sendchamp provides a messaging platform that enables businesses to communicate with customers across multiple channels. The company focuses on simplifying business communication for organizations of any size, primarily in the African market.

1 investor

Sendo provides an SMS and RCS API for startups, offering lower pricing than competitors and faster deployment for text messaging features. The platform includes developer documentation, monitoring tools, and simplified 10DLC regulatory compliance.

1 investor

Sensedia provides an API management platform designed to help enterprises safely integrate and govern multiple AI agents and language models. The platform enables secure API governance, LLM cost management, and intelligent traffic routing across AI providers while maintaining compliance and data protection.

1 investor

Sensible is a hybrid intelligent document processing (IDP) platform that combines AI extraction with deterministic, rule-based methods to convert documents into typed, validated JSON via a REST API. It offers 150+ prebuilt document configurations and a services team that can run the extraction backend for engineering teams.

1 investor

SensorSurf analyzes pull request check failures and generates suggested code fixes that developers can directly apply to their branches. The tool targets software development teams seeking to accelerate code review cycles.

1 investor

Sensu collects and processes monitoring data from cloud platforms, data systems, and third-party monitoring tools, integrating with incident management and configuration management platforms. The company provides plugins and reusable runtime assets that enable teams to automate monitoring and remediation workflows.

1 investor

Sequa offers a context management platform that builds a verified understanding of a company's product from code, tickets, and existing knowledge. It provides a shared source of truth so that engineers and AI coding agents work from the same product context, integrating with existing stacks via MCP.

1 investor

Sequin is an open-source Postgres change data capture tool, distributed as a Docker container, that streams database changes in real time to destinations like Kafka, Redis, SQS, GCP Pub/Sub, Elasticsearch, and webhooks with exactly-once processing and strict ordering. It targets developers building CDC use cases such as audit logging, cache synchronization, search indexing, and event streaming, positioning itself as a simpler alternative to Debezium and ETL tools.

1 investor

SereneDB is a database system with a PostgreSQL-compatible interface that combines vectorized SQL execution, search indexing, and columnar storage for large-scale analytics workloads.

1 investor

Serial provides software that connects to production line data sources, allowing manufacturing teams to diagnose operational problems and identify their causes through query-based analysis. The platform serves engineering and operations departments at manufacturers seeking to reduce defects and associated financial losses.

1 investor

SST is an open-source framework for defining and deploying full application infrastructure—databases, services, email, and web frontends—through a single configuration file across providers like AWS and Cloudflare. It targets developers building and shipping cloud applications.

1 investor

SFEIR is a consulting firm that advises organizations on product management practices, including product discovery, design thinking, roadmapping, and metrics-driven development. The company helps clients build products with measurable user and business impact, with growing expertise in AI-augmented product design and development.

1 investor

Shape Data enables businesses to design custom databases and APIs without coding, supporting seamless data integration across applications. The platform provides in-app database design tools and auto-generated APIs to connect transactional data sources.

1 investor

Shaztra provides automated end-to-end testing solutions for software development teams, using plain English test specifications to achieve and maintain high test coverage. The platform targets organizations seeking to reduce QA bottlenecks and accelerate software delivery cycles.

1 investor

Shell Protocol is a DeFi platform that lets users bridge, swap, and provide liquidity in a single transaction across integrated protocols such as Curve, Balancer, and Uniswap. It provides developers a base layer for composable smart contracts to build interoperable dapps, with governance run by the Shell DAO via veSHELL holders.

1 investor

Sherlocks.ai offers an AI-based tool for diagnosing and debugging Kubernetes incidents, aimed at SRE and DevOps teams handling alerting and incident management.

1 investor

Shieldfy analyzes code commits and pull requests to give developers security feedback early in the development cycle, flagging vulnerabilities while aiming to avoid false positives. It can automatically prepare fixes for common vulnerabilities by opening a pull request and integrates with CI to track code health.

1 investor

ShiftLeftCyber provides an enterprise platform for managing the complete lifecycle of Software Bill of Materials (SBOMs) across software supply chains, including generation, verification, vulnerability analysis, and compliance management.

1 investor

Shipfox lets engineering teams automate recurring software development work using coding agents defined as YAML workflows stored in their repository. The open-source platform runs these agent workflows like CI pipelines, supporting any model per step, human approval gates, and 100+ integrations across a team's stack.

1 investor

Usetrace provides functional testing services to validate software applications against business requirements, helping teams ensure features work correctly across devices, operating systems, and browsers before release.

1 investor

Shortcut is a mobile app development agency specializing in design and development of consumer and enterprise applications across media, healthcare, loyalty, automotive, and other sectors. The company offers services including custom app development, app store optimization, and app maintenance.

1 investor