All Developer Tools

WebPurify — profanity filter and image/video moderation API with 20+ years in the space.

Webpushr — web push notification service with free tier up to 10k subscribers and automation for ecommerce and publishers.

WebScraping.AI — CI/CD for Applications tool for developers. Specializes in Web Scraping API.

WebScrapingHQ — Data Integration / ETL / Reverse ETL tool for developers. Specializes in web scraping.

Websockets — CI/CD for Applications tool for developers. Specializes in WebSocket.

Websolr — Search / Recommendations API tool for developers. Specializes in Hosted Solr.

Tencents official dev platform for WeChat Mini Programs with IDE, CloudBase functions and distribution.

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

Insurance platform with APIs for quote/bind/issue used by partners and affiliates.

Weglot — Website translation proxy service that translates and hosts multilingual versions of any site.

Weights — AI API / SDK for Developers tool for developers. Specializes in AI Model Platform.

Weights & Biases — AI API / SDK for Developers tool for developers. Specializes in MLOps Platform.

Weights & Biases Reports — AI API / SDK for Developers tool for developers. Specializes in ML Reports.

Weights & Biases Sweeps — AI API / SDK for Developers tool for developers. Specializes in Hyperparameter Optimization.

Weights and Biases — AI API / SDK for Developers tool for developers. Specializes in ml experiment tracking.

Chinese SaaS providing WeChat mini program e-commerce, CRM, marketing and store management.

Wekan — CI/CD for Applications tool for developers. Specializes in Kanban Board.

Weld — No-code ELT data pipeline platform connecting 100+ integrations to warehouses and BI tools with automated syncing.

WellSaid Labs — Enterprise TTS platform with studio-quality AI voices for audio content production at scale.

Wemades WEMIX PLAY blockchain-gaming platform offers wallet SDKs, NFT minting APIs and tokenomics tools.

wemake-python-styleguide — CI/CD for Applications tool for developers. Specializes in Code Linter.

WePay (JPMorgan) — Integrated payments platform for SaaS and platforms backed by Chase, offering card processing and payouts via API.

Werf — CNCF GitOps tool for building and deploying to Kubernetes with content-based tagging and cleanup policies.

WeWeb — No-code / Low-code App Builders tool for developers. Specializes in web app builder.

WezTerm — CI/CD for Applications tool for developers. Specializes in Terminal Emulator.

Wgpu — CI/CD for Applications tool for developers. Specializes in GPU Graphics API.

Commercial DataOps platform built on Apache DolphinScheduler and Apache SeaTunnel by the creators team.

What3Words — Location system dividing the world into 3m squares each identified by a unique three-word address.

Whatfix — Digital adoption platform for creating in-app guidance overlays and onboarding flows for any web app.

WhatTheDiff — Code Assistants / Agent Tooling tool for developers. Specializes in AI Code Review.

Whereby — Embeddable video meeting API with room-based URLs, no install required, and REST room management.

Whimsical — No-code / Low-code App Builders tool for developers. Specializes in Visual Collaboration.

Whistic — Security Scanning / Mobile App Sec tool for developers. Specializes in Vendor Security Assessment.

WhiteSource — Security Scanning / Mobile App Sec tool for developers. Specializes in Open Source Security.

Whizzbridge — Security Scanning / Mobile App Sec tool for developers. Specializes in Security Staffing/MSSP.

Whop — Creator and digital product marketplace with built-in subscription billing, license management, and payment processing.

WhyLabs — CI/CD for Applications tool for developers. Specializes in AI Observability.

whylogs — AI API / SDK for Developers tool for developers. Specializes in ML Monitoring.

Windmill — No-code / Low-code App Builders tool for developers. Specializes in workflow engine.

Windmill Dev — CI/CD for Applications tool for developers. Specializes in Script Platform.

Windsurf — Code Assistants / Agent Tooling tool for developers. Specializes in AI IDE.

Wing — CI/CD for Applications tool for developers. Specializes in Infrastructure as Code.

Winglang — CI/CD for Applications tool for developers. Specializes in Infrastructure as Code.

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

wireit — CI/CD for Applications tool for developers. Specializes in Build Tooling.

WireMock — Developer Portals / API Management tool for developers. Specializes in API Mocking.

Managed version of WireMock offering enterprise API simulation with OpenAPI import, team collaboration and AI-assisted mock generation.

Wise — International money transfer and multi-currency account platform with low-FX-fee transfers to 80+ countries via bank rails.

Wisenuts Korean enterprise search, chatbot and analytics APIs used across government and finance.

Wispr Flow — AI voice dictation app for macOS that transcribes speech to text in any application with context awareness.

Wistia — Business video hosting platform with player customization, heatmaps, and CTA overlays.

Wix — Drag-and-drop website builder with app marketplace, e-commerce, and a headless CMS API option.

Open-source toolset for building Windows installation packages (MSI/MSIX) from XML source.

Wiz — Agentless CNAPP connecting cloud misconfigurations, vulnerabilities, secrets, and identities into a prioritized risk graph.

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

Wolfi OS — Security Scanning / Mobile App Sec tool for developers. Specializes in Secure Container Base OS.

Wolters Kluwer — Enterprise tax and accounting software for corporations, accounting firms, and government compliance workflows.

Wondercraft — AI API / SDK for Developers tool for developers. Specializes in Audio Generation.

WonderPush — mobile and web push notifications with predictable flat-rate pricing for unlimited notifications.

Woodpecker CI — CI/CD for Applications tool for developers. Specializes in Continuous Integration.

Woodpecker CI/CD — CI/CD for Applications tool for developers. Specializes in Open Source CI/CD.

Woopra — CI/CD for Applications tool for developers. Specializes in Product Analytics.

Woosmap — Location platform with store locator, geocoding, routing, and Places API targeting retail use cases.

Wopee Labs — Autonomous test automation platform using AI to generate, execute, and maintain test cases with minimal setup.

WordPress — PHP CMS powering 40% of the web; supports headless mode via REST and GraphQL content APIs.

Workato — No-code / Low-code App Builders tool for developers. Specializes in Workflow Automation.

WorkFusion — AI-powered intelligent automation platform for regulated industries. Offers prebuilt AI Digital Workers for KYC, AML, and sanctions screening.

Automated incrementality testing platform combining geo-based experiments, multi-touch attribution and MMM for DTC brands.

WorkOS — Enterprise auth API adding SSO, SCIM, directory sync, and audit logs to SaaS apps with minimal integration effort.

Worldpay — Global payment processor by FIS handling 40B+ transactions annually with acquiring, e-commerce, and POS across 146 countries.

Wowza — live and VOD streaming platform with broadcast-grade encoders

Kingsofts WPS Office AI assistant and developer APIs for document, slide and table generation.

wretch — CI/CD for Applications tool for developers. Specializes in HTTP Client Libraries.

Writer — AI API / SDK for Developers tool for developers. Specializes in Enterprise AI.

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

Wrtns consumer + developer AI assistant platform with SDKs for Korean-tuned chat, writing agents and embeddable characters.

WSO2 — OSS enterprise integration platform offering API manager, identity server, and microservices integration gateway.

WSO2 API Manager — Developer Portals / API Management tool for developers. Specializes in API Gateway.

WunderBase — Developer Portals / API Management tool for developers. Specializes in api gateway.

WunderGraph — CI/CD for Applications tool for developers. Specializes in API Gateway / Federation.

WunderGraph Cosmo — CI/CD for Applications tool for developers. Specializes in GraphQL Federation.

Professional interactive audio middleware by Audiokinetic. Industry standard for adaptive music and sound design in AAA games, with deep Unity and Unreal integration.

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

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

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

Xano — No-code backend builder generating scalable REST APIs with PostgreSQL storage and visual data pipeline logic.

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

Xarray — Data Integration / ETL / Reverse ETL tool for developers. Specializes in Array Computing.

Xata — Serverless database platform combining Postgres, full-text search, and file attachments with branching.

Xcode Cloud — Apple's built-in CI/CD for iOS and macOS apps integrated directly into Xcode and App Store Connect.

XCTest — Apple's native testing framework for iOS and macOS unit, integration, and performance tests in Xcode.

Xendit — Southeast Asia payment infrastructure covering Indonesia, Philippines, Malaysia, and Thailand with VA, QR, cards, and disbursements.

ERP SaaS for SMB e-commerce with REST API for inventory, orders, shipping.

Xero — CI/CD for Applications tool for developers. Specializes in Accounting.

Xflow — India cross-border payment platform for exporters to collect international payments and repatriate funds via FIRA and FIRC.

XGBoost — CI/CD for Applications tool for developers. Specializes in Gradient Boosting.

Xiaomi Mi Push — push notification service for Xiaomi MIUI devices, essential for reliable delivery on MIUI that restricts FCM.

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

iFLYTEKs Spark (讯飞星火) LLM developer API and speech/ASR/TTS APIs via xfyun.cn open platform.

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

xlsx (SheetJS) — CI/CD for Applications tool for developers. Specializes in Spreadsheet Processing.

XlsxWriter — CI/CD for Applications tool for developers. Specializes in Excel Processing.

xMatters — Observability / Logging / Tracing tool for developers. Specializes in Intelligent Communication.

Chinese OSS team behind Xinference and Xorbits-Datasets/DataFrame parallelism for AI data pipelines.

xPay — India payment gateway with UPI, cards, and net banking support targeted at startups and developer-focused online merchants.

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

Game commerce suite with mobile SDK, web shop, global payments, subscriptions and in-game purchase infrastructure for developers.

XState — CI/CD for Applications tool for developers. Specializes in State Machine Library.

XTM Cloud — Enterprise TMS for translation projects with AI-powered workflow, CAT tool, and reporting.

Xtremepush — customer engagement and data platform with multichannel messaging, ML-driven orchestration, and analytics.

Free, open-source, community-focused unit-testing tool for the .NET Framework, .NET Core and .NET 5+, the default testing framework in new dotnet CLI templates.

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

Y42 — CI/CD for Applications tool for developers. Specializes in ETL.

Yaak — OSS native desktop REST and GraphQL API client with offline-first design and environment variable support.

LY Corporations developer portal — search, maps, shopping, Kakaku and Japanese-morphology text APIs.

Yandex Ads — Yandex's mobile and web ad network for app monetization in Russian-speaking markets.

Russian public cloud platform with compute, storage, ML (YandexGPT), and 60+ managed services accessible via API.

Yandex app monetization SDK for iOS and Android with banner, interstitial, native, and rewarded video formats.

YAPF — CI/CD for Applications tool for developers. Specializes in Code Formatter.

Open-source visual API management platform originated at Qunar (去哪儿); widely used across Chinese enterprises.