All Developer Tools

Specmatic — Test Automation / Device Cloud tool for developers. Specializes in Contract Testing.

Spectro Cloud — CI/CD for Applications tool for developers. Specializes in Kubernetes Lifecycle.

Spectrum Labs — AI content moderation platform for detecting toxicity and community policy violations in text.

Speechmatics — AI API / SDK for Developers tool for developers. Specializes in Speech Recognition.

SpeedCurve — Continuous performance monitoring for real users and synthetic tests with Core Web Vitals.

Speedscale — Test Automation / Device Cloud tool for developers. Specializes in Load Testing.

Procedural vegetation modeling and real-time rendering middleware by IDV. Standard in AAA open-world games for creating performance-optimized trees, grass, and foliage.

AI contract copilot for lawyers with drafting, review, negotiation and clause suggestions inside Microsoft Word.

Sphere — AI-native indirect tax platform automating US sales tax and global VAT/GST for SaaS

Commercial company behind Apache ShardingSphere, providing distributed DB middleware and services.

Spheron — CI/CD for Applications tool for developers. Specializes in Decentralized Hosting.

Sphinx — CI/CD for Applications tool for developers. Specializes in Documentation Generator.

SpiceDB — CI/CD for Applications tool for developers. Specializes in Authorization.

SpiderAI — AI API / SDK for Developers tool for developers. Specializes in Web Crawling for AI.

SPIFFE/SPIRE — CNCF identity framework and reference implementation for workload identity across infrastructure.

Spike — Crypto payment gateway supporting Bitcoin, Ethereum, USDT, and stablecoin payments for online merchants via hosted checkout.

Spike.sh — Observability / Logging / Tracing tool for developers. Specializes in On Call Alerting.

Spinal — CI/CD for Applications tool for developers. Specializes in Headless CMS.

SpinKube — CDN / Edge / Acceleration tool for developers. Specializes in WebAssembly on Kubernetes.

Spinnaker — CI/CD for Applications tool for developers. Specializes in CI/CD.

SpiraTest — CI/CD for Applications tool for developers. Specializes in Test Management.

Feature store and SQL-compatible data platform that unifies OLTP, OLAP and ML on a single distributed engine.

Spline — Browser-based 3D design tool with real-time collaboration and embed support for interactive 3D scenes.

Split.io — Feature delivery platform combining feature flags, A/B testing, and attribution for controlled rollouts.

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

SplitMetrics — App store A/B testing platform for iOS metadata, screenshots, and icons with Apple Search Ads optimization tools.

Splunk — Enterprise data analytics platform for machine data, logs, security events, and observability at scale.

BDD-style testing framework for Java and Groovy applications, featuring expressive Groovy DSL, data-driven tests and built-in mocking via interaction-based Mock().

Spot by NetApp — CI/CD for Applications tool for developers. Specializes in Cloud Cost.

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

Spotinst (NetApp Spot) — CI/CD for Applications tool for developers. Specializes in Cloud Cost Optimization.

SPOTIO — Field sales CRM and territory management platform with mobile app for outside sales teams.

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

Spreedly — Open payments network with PCI-compliant card vault enabling routing across 100+ gateways without re-collecting card data.

Sprig — In-product user research platform combining micro-surveys, AI analysis, and session replays.

Spring AI — AI API / SDK for Developers tool for developers. Specializes in Java AI Framework.

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

Sprinto — SOC 2, ISO 27001, and GDPR compliance automation with automated evidence collection and real-time control health.

Composable commerce PaaS with modules & APIs for B2B/B2C/marketplace.

eBPF-powered runtime security and operational observability platform with causal chain tracing of container activity.

SQL Workbench — CI/CD for Applications tool for developers. Specializes in Database GUI.

SQLAlchemy — CI/CD for Applications tool for developers. Specializes in Python ORM.

SQLC — CI/CD for Applications tool for developers. Specializes in Code Generation.

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

SQLFluff — CI/CD for Applications tool for developers. Specializes in SQL Linter.

SQLite — CI/CD for Applications tool for developers. Specializes in Embedded Database.

SQLMesh — CI/CD for Applications tool for developers. Specializes in Data Transformation.

SQLModel — Data Integration / ETL / Reverse ETL tool for developers. Specializes in ORM.

Sqreen — Security Scanning / Mobile App Sec tool for developers. Specializes in RASP.

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

Square — US-founded omnichannel payment platform with card readers, POS, online checkout, invoicing, and banking for SMBs.

Squarespace — All-in-one website builder with e-commerce, blogging, templates, and custom domain hosting.

Squash Labs — CI/CD for Applications tool for developers. Specializes in Branch Testing.

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

Squidex — CI/CD for Applications tool for developers. Specializes in Headless CMS.

Squish — CI/CD for Applications tool for developers. Specializes in GUI Testing.

Squoosh — CI/CD for Applications tool for developers. Specializes in Image Optimization.

SRE.ai — Observability / Logging / Tracing tool for developers. Specializes in site reliability.

SRS — high-performance OSS media server supporting RTMP, SRT, WebRTC, HLS

SSOJet — Enterprise SSO and SCIM provisioning API for adding SAML and OIDC-based SSO to multi-tenant SaaS products.

SST — Backend-as-a-Service tool for developers. Specializes in Serverless Framework.

Stability AI — Generative AI API for image, video, audio, and 3D content creation using Stable Diffusion models.

Stable Baselines3 — CI/CD for Applications tool for developers. Specializes in Reinforcement Learning.

Stablecoin-native infrastructure for accepting payments and sending fiat payouts across 100+ countries.

Stack AI — AI API / SDK for Developers tool for developers. Specializes in AI App Builder.

Stack Auth — Identity / Auth / User Management tool for developers. Specializes in Authentication.

Stack Overflow — Q&A community platform for programmers with a Teams product and public API for developers.

StackBlitz — CI/CD for Applications tool for developers. Specializes in Web Based IDE.

Stacker — No-code client portal and internal tool builder that turns Airtable or Google Sheets into apps.

StackHawk — Developer-centric DAST tool running application security tests in CI/CD using OpenAPI and GraphQL specs.

Stacklet — Cloud governance platform built on Cloud Custodian for policy management and cost and security compliance at scale.

StackPath — Edge platform combining CDN, WAF, serverless edge compute, and private networking.

StackRox — Security Scanning / Mobile App Sec tool for developers. Specializes in Kubernetes Security.

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

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

Stadia Maps — Developer-friendly map tile hosting with Stamen and OpenMapTiles styles and custom basemap options.

Stage — CI/CD for Applications tool for developers. Specializes in AI Code Review.

Stagehand — Open-source browser automation framework powered by AI for reliable web agent task execution.

stagewise — Code Assistants / Agent Tooling tool for developers. Specializes in Frontend Agent.

Stainless — SDK generator that creates idiomatic, fully-typed client libraries from OpenAPI specs.

Standard Webhooks — Open community specification for consistent webhook payload format, signatures, and delivery conventions.

standard-version — CI/CD for Applications tool for developers. Specializes in Release Tooling.

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

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

Starboard — Security Scanning / Mobile App Sec tool for developers. Specializes in Kubernetes Security.

StarBurst — CI/CD for Applications tool for developers. Specializes in Distributed Query Engine.

StarCoder — AI API / SDK for Developers tool for developers. Specializes in AI Code Generation.

Stargate — CI/CD for Applications tool for developers. Specializes in Data Gateway.

Stark — Accessibility / A11y Testing tool for developers

Brazilian digital bank API providing transfers, payments, and Pix integrations with SDKs in 10+ languages.

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

Starlight — CI/CD for Applications tool for developers. Specializes in Documentation.

Starling Bank open API: personal/business accounts, Marketplace, webhooks.

StarRocks — DBaaS / Serverless Databases tool for developers. Specializes in analytics database.

Starship — CI/CD for Applications tool for developers. Specializes in Shell Prompt.

Mobile SDK-based ad platform (formerly StartApp) for app monetization and audience intelligence.

Direct-to-consumer platform for game developers with web shop, game launcher and payment processing outside Apple/Google app stores.

Stately AI — CI/CD for Applications tool for developers. Specializes in State Machine Tooling.

Statically — CI/CD for Applications tool for developers. Specializes in Static Hosting.

Statice — Enterprise synthetic data platform generating privacy-safe tabular data with statistical accuracy validation.

Statsig — Feature Flags / Remote Config tool for developers. Specializes in Feature Flags.

Statsig — Feature flags, A/B experimentation, and product analytics platform acquired by OpenAI in 2025.

statsmodels — CI/CD for Applications tool for developers. Specializes in Statistical Analysis.

StatusCake — Observability / Logging / Tracing tool for developers. Specializes in Uptime Monitoring.

StatusCast — Status page and incident communication platform with automated alert monitoring and subscriber notifications.

Aggregated status page monitoring service tracking 3,000+ cloud service status pages for downstream notifications.

Statuspage — Observability / Logging / Tracing tool for developers. Specializes in Status Page.

Stax — US subscription-based payment processor with flat-rate pricing, interchange-plus, and integrated POS for SMB merchants.

Steadybit — CI/CD for Applications tool for developers. Specializes in Chaos Engineering.

Steampipe — CI/CD for Applications tool for developers. Specializes in Cloud Governance & Query.

Steamship — AI API / SDK for Developers tool for developers. Specializes in LLM App Platform.

Valves free developer SDK and publishing platform for distributing games on Steam. Provides matchmaking, DRM, achievements, leaderboards, workshop, and over 90M active players.

Stedi — Modern EDI infrastructure platform for programmatic B2B document exchange in X12 and EDIFACT formats.

Steel Browser — AI API / SDK for Developers tool for developers. Specializes in AI Browser Automation.

Steep — SQL-first analytics platform for running ad-hoc queries and sharing dashboards from your data warehouse.

Stellate — Developer Portals / API Management tool for developers. Specializes in graphql cdn.

Stenography — Code Assistants / Agent Tooling tool for developers. Specializes in AI Documentation.

Step CI — CI/CD for Applications tool for developers. Specializes in API Testing.

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

Developer API for StepFun (阶跃星辰) Step-1/2 multimodal and reasoning LLM series.