All Developer Tools

Causal marketing mix modeling platform with incrementality testing and AI agents for media planning and buying.

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

Semantic Release — CI/CD for Applications tool for developers. Specializes in Release Automation.

Semantic Router — AI API / SDK for Developers tool for developers. Specializes in LLM Routing.

Semaphore — Fast cloud CI/CD platform with parallel pipelines, dependency caching, and self-hosted agent support.

Semaphore CI — CI/CD for Applications tool for developers. Specializes in CI/CD Platform.

Sematext — Full-stack monitoring and log management SaaS combining metrics, logs, traces, and real user monitoring.

Semgrep — Security Scanning / Mobile App Sec tool for developers. Specializes in Static Analysis.

Semrush — CI/CD for Applications tool for developers. Specializes in SEO Platform.

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

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

SendGrid — High-volume transactional and marketing email API with deliverability tools and an email editor.

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

SenseTimes AI infrastructure and model platform (SenseNova LLM, vision APIs, compute cloud).

Hong Kong-listed Chinese AI giant — SenseNova LLMs, vision APIs, facial recognition and autonomous driving.

Sensity AI — deepfake detection and visual threat intelligence API.

Sensor Tower — App store intelligence platform with download estimates, revenue data, keyword rankings, and ad intelligence for mobile.

Sensors Data — Chinese enterprise behavioral analytics platform with event tracking and user journey analysis.

Event-driven monitoring and observability pipeline for multi-cloud and hybrid infrastructure.

SentiLink provides identity verification and fraud scoring APIs focused on synthetic identity fraud and first-party fraud, two gaps most traditional KYC vendors miss. Its Synthetic Score, ID Complete and Facets APIs are widely used by US ba

Flow control, circuit breaking and system protection library by Alibaba for Java microservices.

SentinelOne — Security Scanning / Mobile App Sec tool for developers. Specializes in Cloud Security / EDR.

Sentra — Cloud data security platform discovering and classifying sensitive data across AWS, Azure, and GCP storage.

Sentry — Open-source error tracking and performance monitoring for web, mobile, and backend with distributed tracing and session replay.

Sentry SDK for C, C++, and native applications with minidump crash handling via Crashpad and Breakpad.

Sentry SDK — Observability / Logging / Tracing tool for developers. Specializes in Error Tracking.

SEON — Fraud & Risk Management tool for developers. Specializes in fraud detection.

Seq — CI/CD for Applications tool for developers. Specializes in Log Management.

Sequel Ace — CI/CD for Applications tool for developers. Specializes in Database GUI.

Sequel Pro — CI/CD for Applications tool for developers. Specializes in Database GUI.

Sequelize — CI/CD for Applications tool for developers. Specializes in Node.js ORM.

AI-native quote-to-revenue platform automating quoting, billing, collections, and revenue recognition for B2B SaaS.

Sequin — Developer Portals / API Management tool for developers. Specializes in Database Sync.

SerpApi — Search / Recommendations API tool for developers. Specializes in search api.

Serper AI — AI API / SDK for Developers tool for developers. Specializes in Search API.

Serverless Framework — CI/CD for Applications tool for developers. Specializes in Serverless.

Serverpilot — CI/CD for Applications tool for developers. Specializes in Server Management.

ServiceNow — Customer Support SDK / In-app Helpdesk tool for developers. Specializes in it service.

ServiceNow GRC — Security Scanning / Mobile App Sec tool for developers. Specializes in GRC.

Servo — CI/CD for Applications tool for developers. Specializes in Browser Engine.

Voice-focused AI company building expressive conversational speech models and AI-powered smart glasses.

Digital experience analytics platform with pixel-perfect session replay, AI-enhanced insights (SessionStackAI) and tagless auto-capture technology.

Setmore — Free appointment scheduling software with REST API for embedding booking into websites and applications.

Settlebank provides bank transfer, simple payments and escrow PG APIs for Korean merchants.

Indian fintech infrastructure platform offering APIs for Aadhaar/PAN KYC, account aggregation, UPI, BBPS and e-sign.

Seven — German SMS API provider with direct carrier connections for A2P and two-way SMS messaging.

SGLang — AI API / SDK for Developers tool for developers. Specializes in LLM Inference.

sh — CI/CD for Applications tool for developers. Specializes in Shell Scripting.

ShadCN UI — CI/CD for Applications tool for developers. Specializes in UI Component Library.

Shadeform — AI API / SDK for Developers tool for developers. Specializes in GPU Cloud Marketplace.

Shake — In-app bug reporting and user feedback SDK for iOS and Android with screen recording, logs, and ticketing integration.

Autonomous white-box AI pentester by Keygraph that reads your source code, identifies attack vectors, and executes real exploits in a sandbox to prove vulnerabilities rather than just report theoretical ones.

SHAP — AI API / SDK for Developers tool for developers. Specializes in Explainability.

Shap-E — AI API / SDK for Developers tool for developers. Specializes in AI 3D Generation.

Shaped.ai — Real-time AI recommendations API for ranking feeds, search results, and related content.

Shapely — CI/CD for Applications tool for developers. Specializes in Geospatial.

ShareGPT — AI API / SDK for Developers tool for developers. Specializes in Prompt Sharing.

sharp — CI/CD for Applications tool for developers. Specializes in Image Processing.

SheerID verifies eligibility for gated consumer offers (students, military, teachers, first responders) via API, preventing promotion abuse and coupon fraud. It is widely used by retailers, travel and SaaS companies running segment-specific

ShellCheck — Security Scanning / Mobile App Sec tool for developers. Specializes in shell linting.

Sherlo — Test Automation / Device Cloud tool for developers. Specializes in Mobile Visual Testing.

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

Shinhan Bank and Card Open API marketplace for account, transfer, FX and loyalty integrations.

Managed GitHub Actions runners on high-performance CPUs with built-in caching and cost savings vs GitHub-hosted.

Shipyard — Data Integration / ETL / Reverse ETL tool for developers. Specializes in Data Orchestration.

Shoelace — No-code / Low-code App Builders tool for developers. Specializes in UI Component Library.

ShopeePay — Southeast Asia digital wallet by Shopee supporting QR, in-app checkout, and merchant integration across 7 SEA markets.

Shopify — Payment Gateway / PSP tool for developers. Specializes in E Commerce Platform.

PHP/Symfony e-commerce platform with REST/GraphQL Store APIs and App SDK.

Shorebird — Code push service for Flutter apps enabling over-the-air Dart code updates without app store resubmission.

Shoreline — CI/CD for Applications tool for developers. Specializes in AIOps.

Shortcut — Real-time / WebSocket Infrastructure tool for developers. Specializes in Project Management.

Native Apple Silicon screenshot and annotation app for macOS — scrolling capture, OCR, measuring, pixel-perfect.

Lightweight online API and technical documentation tool popular with Chinese IT teams; open-source.

Shufti Pro — KYC and AML verification API with real-time document scanning, face verification, and PEP/sanctions screening.

Shuttle — CI/CD for Applications tool for developers. Specializes in Serverless Platform.

Shynet — CI/CD for Applications tool for developers. Specializes in Web Analytics.

Sidekiq — Ruby background job processor using Redis queues with web UI, automatic retries, and scheduled jobs.

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

Sift — Digital trust and safety platform using ML to score account, payment, and content abuse across the customer lifecycle.

SightEngine — Real-time image and video moderation API detecting nudity, weapons, drugs, and faces.

Sigma Computing — CI/CD for Applications tool for developers. Specializes in Analytics Platform.

Kubernetes-native platform for creating lightweight sandbox environments enabling microservices integration testing.

Signale — CI/CD for Applications tool for developers. Specializes in Logging.

SignalWire — Developer CPaaS platform for voice, SMS, video, and AI voice agents built on FreeSWITCH.

SignatureAPI — Developer Portals / API Management tool for developers. Specializes in e signature api.

Spanish eSignature and digital onboarding API with legally binding signatures and KYC workflows for EU.

Signicat is a European digital identity platform offering a single API to integrate 35+ national eID schemes, document verification, biometric checks and qualified electronic signatures across 44+ countries.

Signifyd — Commerce fraud protection platform offering financial guarantee on approved orders using ML-based decisioning.

Signl4 — CI/CD for Applications tool for developers. Specializes in Incident Management.

SigNoz — OSS Datadog alternative with logs, metrics, and distributed tracing using ClickHouse as storage backend.

SigNoz (OSS) — CI/CD for Applications tool for developers. Specializes in Observability.

AI-powered KYC, KYB and onboarding API platform used by major Indian banks (ICICI, SBI) and 99M+ customers verified.

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

SiliconFlow — AI API / SDK for Developers tool for developers. Specializes in AI Inference Cloud.

Silktide — Accessibility / A11y Testing tool for developers

Cloud-native card processing platform with direct-to-card-network APIs and orchestration features.

SimilarWeb — Digital intelligence platform for website and app traffic estimation and competitive benchmarking.

Simli AI — AI API / SDK for Developers tool for developers. Specializes in AI Avatar.

Simple Analytics — CI/CD for Applications tool for developers. Specializes in Web Analytics.

simple-git-hooks — CI/CD for Applications tool for developers. Specializes in Git Hooks.

SimpleLocalize — Developer-friendly localization platform with CLI, auto-translation, and JSON/YAML file support.

SimpleLogin — CI/CD for Applications tool for developers. Specializes in Email Privacy.

SimplyBook.me — Online appointment booking system with REST API and webhooks for healthcare, salons, and service businesses.

SimScale — No-code / Low-code App Builders tool for developers. Specializes in simulation.

Sinch — Global CPaaS platform with APIs for SMS, voice, video, email, and WhatsApp messaging.

SingleStore — Distributed SQL database with rowstore and columnstore in one engine for mixed OLTP and OLAP workloads.

Singular — Mobile attribution and marketing analytics platform combining MMP data with cost aggregation across 1000+ ad networks.

Sinon.JS — Standalone JavaScript library providing test spies, stubs, and mocks compatible with any test runner.

Turkish payment platform with virtual POS, card-on-file, and cross-border APIs expanding internationally.

Sirv — CI/CD for Applications tool for developers. Specializes in CDN.

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

Site24x7 — Observability / Logging / Tracing tool for developers. Specializes in Full Stack Monitoring.

Sitecore Content Hub — CI/CD for Applications tool for developers. Specializes in Headless CMS.

SiteGPT — AI chatbot platform trained on website content for automated customer support and lead qualification.

Siteimprove — Accessibility / A11y Testing tool for developers

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.