All Developer Tools

Sitemorse — Accessibility / A11y Testing tool for developers

SK Telecoms telco-grade LLM (A.X / Adot X) trained on Korean telco and conversational data for AI agents.

Skaffold — CI/CD for Applications tool for developers. Specializes in Kubernetes Development.

Professional vector design tool for macOS with a JavaScript plugin API, developer handoff mode, and design token export. One of the longest-standing UI/UX design platforms used by professional product teams.

Skupper — CI/CD for Applications tool for developers. Specializes in Multi Cluster Networking.

Developer platform for Ronin, an EVM blockchain purpose-built for games with permissionless deployment, low fees and gaming-centric infra.

Skybox AI — AI API / SDK for Developers tool for developers. Specializes in AI 360 Image.

SkyCloak — Identity / Auth / User Management tool for developers. Specializes in authentication.

Data privacy vault delivered as an API for PII, payments, and LLM data protection.

Skyone — Brazilian cloud platform offering IaaS, managed databases, and DevOps tools for enterprise workloads.

SkySQL — MariaDB's managed cloud database service with Xpand distributed SQL and ColumnStore analytics engine.

Skyvia — Data Integration / ETL / Reverse ETL tool for developers. Specializes in cloud integration.

NTT Communications WebRTC platform — Japan-hosted SFU, media servers and SDK for real-time video/voice.

Kunlun-backed Chinese LLM lab (昆仑万维 天工) offering Skywork MoE and Skywork-13B models plus agentic search.

Slab — Team knowledge base with a clean editor, nested topics, and integrations with Slack and GitHub.

Slack — Cloud messaging platform for team communication with channels, threads, apps, and a REST bot API.

Slate — Developer Portals / API Management tool for developers. Specializes in API Documentation.

AI-powered omnichannel conversation suite — WhatsApp, Instagram, live chat with commerce automations across SEA.

Sleuth — DORA metrics and deployment tracking platform integrating with GitHub, Jira, and CI for change intelligence.

AI-driven payment recovery engine using personalized retry schedules and multi-gateway routing.

Declarative GUI toolkit for Rust, C++, JavaScript, and Python targeting embedded, desktop, and web.

Simple container hosting platform with predictable flat-rate pricing and zero server operations for Docker apps.

Slite — No-code / Low-code App Builders tool for developers. Specializes in knowledge base.

Slonik — CI/CD for Applications tool for developers. Specializes in PostgreSQL Client.

SLSA Framework — CI/CD for Applications tool for developers. Specializes in Software Supply Chain.

Smaato — Real-time digital advertising platform for mobile publishers with SSP and programmatic monetization.

AI-powered mobile DSP for user acquisition, CTV, and retargeting campaigns with machine-learning bidding algorithms.

Smallpdf API — REST API for PDF compression, conversion, merging, splitting, and e-signature workflows.

Smallstep — open source PKI, mutual TLS, and SSH certificate authority for zero-trust infrastructure.

Smartbear CrossBrowserTesting — Cross-browser and real device testing platform for automated and manual tests across 2000+ environments.

Smartcat — AI-powered translation platform combining MT, human translators, and a freelancer marketplace.

Japans leading cloud HR and labor management platform with open APIs for payroll and workflow automation.

Smartling — Enterprise translation management platform with workflow automation and linguistic quality tools.

Smartlook — Session recording and event analytics platform for web and mobile with funnel and retention analysis.

Tokyo cap-table and investor-update SaaS for Japanese startups — API for shareholder records and SAFE docs.

Full-stack programmatic ad platform with SSP, DSP, white-label solutions and SDK for in-app monetization.

SmartyStreets — Maps / Geolocation / Routing tool for developers. Specializes in Address Verification.

SMI — CI/CD for Applications tool for developers. Specializes in Service Mesh.

Clinical data repository and health data fabric built on HAPI FHIR, offering cloud, managed and on-premise deployments for payers and providers.

Smile ID — Africa-focused digital identity verification platform with document checks, selfie biometrics, and ID database lookups.

STOVE Indie developer portal — login, achievements, leaderboards and store APIs for PC/mobile games.

Marketplace for discovering and deploying MCP servers with one-click hosting; 5,000+ servers indexed.

Smolagents — AI API / SDK for Developers tool for developers. Specializes in AI Agent Framework.

SmolVM — Lightweight VM sandbox for safely executing untrusted code in isolated microVM environments.

Cyprus-based SMS and WhatsApp messaging API with multi-channel integrations and global delivery.

SMTP.com — CI/CD for Applications tool for developers. Specializes in Email Delivery.

SMTP2GO — CI/CD for Applications tool for developers. Specializes in Email Delivery.

SmythOS — multi-agent AI platform with visual builder. Deploy teams of autonomous agents that plan, use tools, and collaborate on business tasks.

Snap AR — Lens Studio platform for building AR lenses with world tracking, face effects, and Snap Map integration.

Build and publish snaps — Canonicals universal Linux package format with confinement and auto-updates.

Snaplet — Developer tool for copying Postgres database snapshots, masking PII, and seeding test databases.

Snaplogic — CI/CD for Applications tool for developers. Specializes in ETL.

South African QR code payment platform with 60,000+ merchants and API for mobile and in-person transactions.

Snipcart — Payment Gateway / PSP tool for developers. Specializes in E Commerce Cart.

Snorkel AI — AI API / SDK for Developers tool for developers. Specializes in Data Centric AI.

Snowflake — CI/CD for Applications tool for developers. Specializes in Cloud Data Warehouse.

Snowplow Analytics — Open-source behavioral data platform for collecting granular event data into your own warehouse.

Snyk — Developer-first security platform with SCA, SAST, container, and IaC scanning integrated into IDEs and CI/CD pipelines.

Snyk Container — Security Scanning / Mobile App Sec tool for developers. Specializes in Container Security.

Snyk IaC — Security Scanning / Mobile App Sec tool for developers. Specializes in IaC Security.

Snyk Learn — free developer security education platform with interactive lessons on vulnerabilities, secure coding, and OWASP topics.

SoapUI — Developer Portals / API Management tool for developers. Specializes in API Testing.

Socket — Security Scanning / Mobile App Sec tool for developers. Specializes in Supply Chain Security.

Socket Security — CI/CD for Applications tool for developers. Specializes in Supply Chain Security.

Socket.IO — CI/CD for Applications tool for developers. Specializes in Real time WebSockets.

SocketLabs — CI/CD for Applications tool for developers. Specializes in Email Delivery.

Socure — AI identity verification and fraud prediction platform using 400+ global data sources for real-time KYC decisioning.

Soda — Data Integration / ETL / Reverse ETL tool for developers. Specializes in Data Quality.

Soda Core — CI/CD for Applications tool for developers. Specializes in Data Quality.

Softr — CI/CD for Applications tool for developers. Specializes in Low Code Platform.

Software AG — Enterprise integration platform offering webMethods iPaaS, ARIS process modeling, and Cumulocity IoT.

Sogeti Test Data — Enterprise test data management consulting services and tooling for large-scale application testing.

Soketi — Real-time / WebSocket Infrastructure tool for developers. Specializes in websocket server.

Solace — CI/CD for Applications tool for developers. Specializes in Event Streaming.

Solara — CI/CD for Applications tool for developers. Specializes in Dashboard.

Banking-as-a-Service API: accounts, cards, KYC, lending for embedded finance.

SolarWinds — Observability / Logging / Tracing tool for developers. Specializes in IT Monitoring.

SolarWinds APM — CI/CD for Applications tool for developers. Specializes in APM.

SolarWinds SEM — Security Scanning / Mobile App Sec tool for developers. Specializes in SIEM.

Solidgate — Payment orchestration for subscription businesses with intelligent routing, anti-churn tools, and card processing across regions.

Solidus Labs builds AI-powered trade surveillance, transaction monitoring and market integrity tools for crypto, preventing market manipulation, wash trading and other abusive practices across exchanges and tokens.

Solo.io — CI/CD for Applications tool for developers. Specializes in API Connectivity.

Solr Cloud — Distributed mode of Apache Solr for scalable enterprise search with sharding and replication.

Sonar — Security Scanning / Mobile App Sec tool for developers. Specializes in code quality.

Sonar — API-first ASO tool for App Store and Google Play with keyword research, difficulty scores, rank tracking, competitor analysis and MCP integrations for AI agents.

SonarCloud — CI/CD for Applications tool for developers. Specializes in Code Quality.

SonarLint — Code Assistants / Agent Tooling tool for developers. Specializes in Code Quality.

SonarQube — SAST and code quality platform detecting security vulnerabilities, bugs, and code smells across 30+ programming languages.

SonarQube Security — Security Scanning / Mobile App Sec tool for developers. Specializes in SAST.

Sonatype — CI/CD for Applications tool for developers. Specializes in Component Intelligence.

Sonatype Nexus — CI/CD for Applications tool for developers. Specializes in Artifact Management.

Sonic — CI/CD for Applications tool for developers. Specializes in Search Engine.

Sonix AI — AI API / SDK for Developers tool for developers. Specializes in Transcription AI.

Sonner — CI/CD for Applications tool for developers. Specializes in Toast Notifications.

Sonrai Security — Security Scanning / Mobile App Sec tool for developers. Specializes in Cloud Identity Security.

Sophos Intercept X — Security Scanning / Mobile App Sec tool for developers. Specializes in EDR.

SOPS — Security Scanning / Mobile App Sec tool for developers. Specializes in Secrets Management.

Sora (OpenAI) — AI API / SDK for Developers tool for developers. Specializes in Video Generation.

Tokyo-based IoT connectivity platform (KDDI subsidiary) — global eSIM, device management and REST API.

SortableJS — CI/CD for Applications tool for developers. Specializes in Drag and Drop.

SoundFile — CI/CD for Applications tool for developers. Specializes in Audio Processing.

Sourcebot — Code Assistants / Agent Tooling tool for developers. Specializes in Code Understanding.

SourceForge — Legacy OSS project hosting platform with Git/SVN repositories, forums, and download statistics.

Sourcegraph — Code intelligence platform for searching, navigating, and understanding large codebases at scale.

Sourcepoint — Consent management and privacy compliance platform for publishers managing GDPR, TCF 2.0, and CCPA consent.

Sourcery — CI/CD for Applications tool for developers. Specializes in Code Quality.

Sourcetree — CI/CD for Applications tool for developers. Specializes in Git GUI.

Global tax compliance and e-invoicing engine with APIs for VAT, GST, and real-time reporting.

Spacedrive — CI/CD for Applications tool for developers. Specializes in File Management.

Spacelift — CI/CD for Applications tool for developers. Specializes in Infrastructure CI/CD.

Spaceship — CI/CD for Applications tool for developers. Specializes in deployment.

Real-time relational database purpose-built for multiplayer games. Modules run inside the DB process itself, eliminating a separate game server while keeping state consistent at scale.

Spaceys generative 3D/spatial asset API for e-commerce and AR experiences.

SpaCy — CI/CD for Applications tool for developers. Specializes in NLP Library.

Spacy/Explosion — Industrial-strength NLP library and company offering efficient text processing and training tools.

Spark NLP — AI API / SDK for Developers tool for developers. Specializes in NLP Library.

Software update framework for macOS apps — the de facto standard Cocoa updater used by thousands of Mac apps.

SparkPost — Messaging API (Email / SMS / Voice) tool for developers. Specializes in Email Delivery.

SPDX — CI/CD for Applications tool for developers. Specializes in License Standard.

Speak AI — AI API / SDK for Developers tool for developers. Specializes in Speech Analytics.