Developer Tools Startups
4,617 companies tagged Developer Tools, with their investors and founders.
SDF Labs built SQL comprehension technology used in data analytics and developer tooling. The company was acquired by dbt Labs, which is integrating SDF's SQL comprehension into dbt to improve performance and enable metadata use cases like column-level lineage.
2 investors
Seald provides an end-to-end encryption SDK for web and mobile applications, enabling developers to encrypt sensitive data client-to-client so that only authorized parties hold decryption keys. The toolkit addresses data access vulnerabilities and helps applications comply with regulations like HIPAA, GDPR, and CCPA.
2 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.
2 investors
Semmle built a semantic code analysis engine that lets developers and security researchers write declarative queries to find vulnerabilities and code patterns across large codebases. The company, acquired by GitHub, serves security teams and open source communities, and operates lgtm.com.
2 investors
Sent provides a single API integration layer for sending SMS, WhatsApp, and RCS messages, handling provider routing, carrier compliance, and per-channel content transformation. It targets developers and product teams that need multi-channel messaging without maintaining separate integrations for each aggregator, channel, and carrier.
2 investors
Sentient develops open-source AI research and tools that enable AI agents to self-improve, reason, and learn autonomously using benchmarks and datasets. The company serves AI builders and organizations deploying specialized AI agents, operating in the AI/ML and developer tools space.
2 investors
Sequel provides a virtual event platform that runs webinars on a company's own website rather than third-party destinations, capturing first-party engagement data including attendance, watch time, polls, and CTA interactions that integrate directly into CRMs.
2 investors
Sequence provides developer infrastructure for blockchain applications, including smart crypto wallets, 1-click cross-chain payments, and real-time multi-chain data indexing. It serves web3 developers and ecosystems building onchain apps across EVM chains.
2 investors
Serval is an AI-native IT service management (ITSM) platform that automates help desk requests, employee onboarding/offboarding, and access provisioning using AI agents. It serves enterprise IT teams seeking to automate routine workflows while maintaining security controls.
2 investors
Setu provides APIs, SDKs, and pre-built screens that let businesses embed fintech services such as KYC verification, eSign, account aggregation, UPI payments, and bill payments (BBPS). It targets lenders and businesses building financial services in India, operating in the fintech infrastructure category.
2 investors
Shadeform is a GPU cloud marketplace that enables users to deploy high-performance GPUs across 30+ cloud providers worldwide through a unified platform. The service offers centralized billing, support, and pricing optimization for AI workloads, allowing customers to save up to 90% compared to major cloud providers.
2 investors
Sherloq is a platform for saving, managing, and sharing SQL queries, with versioning and team collaboration features that integrate with AI chat tools. It serves data analysts and SQL users who need centralized query management and code organization.
2 investors
Shippable was a Seattle-area provider of container-based continuous integration and delivery software, acquired by JFrog.
2 investors
Shorebird is a platform for Flutter developers that provides Code Push to deploy patches and fixes to live apps without waiting for app store review cycles, along with a zero-config CI system for automated testing and releases. It offers instant rollbacks, version adoption monitoring, and a global distribution network for shipping updates.
2 investors
ShortKit provides an SDK and infrastructure platform for building and scaling short-form vertical video applications. The platform offers video player mechanics, transcoding, content management, analytics, and monetization features for publishers and media companies.
2 investors
Shuttle is an open source cloud platform for developing and deploying web applications with Rust, replacing container technology with a lightweight alternative to achieve sub-second deploy times. It targets backend developers seeking faster development cycles and simplified cloud infrastructure management.
2 investors
Shuttle is an open source cloud platform for building and deploying web apps, aimed at reducing deployment times by replacing container-based infrastructure with a more lightweight system. It targets developers—particularly those working with Rust—for backend web development.
2 investors
Sidero Labs builds the Talos Platform, including Talos Linux — a minimal, immutable Linux OS purpose-built to run Kubernetes with a managed API (no SSH or shell), atomic upgrades, and security defaults like mTLS, CIS guidelines, and FIPS 140-3 compliance. It targets teams operating Kubernetes fleets across distributed, mission-critical, and physically constrained environments.
2 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.
2 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.
2 investors
SigmaOS is a macOS web browser that organizes tabs into workspaces and includes AI-powered features like website summarization and contextual search. It targets students, founders, and creatives seeking improved productivity and focus.
2 investors
SigNoz provides observability and monitoring tools that help DevOps engineers and developers reduce noise and extract actionable signals from their systems. The platform serves engineering teams working with microservices and distributed systems.
2 investors
Provides the fabric that ties IoT devices together for better experiences.
2 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.
2 investors