- Free tier$3.00 / moFTV 52

UniRateAPI
UniRateAPI is a currency data API for developers that provides real-time exchange rates, currency conversion, historical forex data, and precious metals endpoints over a REST interface. The service ex...
- Free tier$63 / moFTV 71
Unity
Unity is a real-time development platform for building 2D and 3D games across desktop, mobile, web, console, AR/VR, and Apple Vision Pro. The product includes the Unity Engine, documentation, learning...
- Always freeUnboundedFTV 100

UNPKG
UNPKG is a fast, global content delivery network for npm packages. It serves files from npm over versioned URLs such as https://unpkg.com/:package@:version/:file, and can resolve package entry points, subpaths, semver ranges, and npm dist-tags.
- Free tier$3.00 / moFTV 52

Updraft
Updraft is a mobile app distribution and beta testing platform for iOS, Android, and Windows. It supports uploading builds, managing app environments, distributing releases to internal testers, extern...
- Free tier$3.00 / moFTV 39

Updrafts.app
Updrafts.app is a Tailwind CSS-based design and prototyping tool for building website layouts without writing code. It provides a canvas for assembling prebuilt components, importing Tailwind-based UI libraries, and editing properties through pickers rather than class names.
- Free tier$66 / moFTV 72

Uploadcare
Uploadcare is a file handling platform for web and mobile applications. It provides file uploading, storage, image and video processing, document conversion, and delivery through a CDN, with APIs and a ready-made uploader widget for integration.
- Free tier$1.00 / moFTV 47

Upstash
Upstash is a serverless data platform built for modern applications that need low-latency, globally distributed data services without managing infrastructure. It provides HTTP-based and Redis-compatible APIs for key-value storage, messaging, vector search, workflow automation, and search.
- Free tier$2.00 / moFTV 50
UptimeObserver
UptimeObserver is a hosted uptime monitoring service that checks websites, APIs, DNS records, server ports, domain expiry, and SSL expiry from multiple regions. The pricing page lists monitoring inter...
- Free tier$4.00 / moFTV 53
UptimeRobot
UptimeRobot is an uptime monitoring service that checks websites, APIs, servers, and other endpoints to help teams detect outages and performance issues quickly. It provides real-time alerts, public s...
- Free tier$8.00 / moFTV 56

UptimeToolbox
UptimeToolbox is a website monitoring and status page service for Linux servers and web applications. It supports monitor checks, SSL certificate monitoring, domain expiration checks, alert delivery b...
- Free tier$3.00 / moFTV 52

UserCheck
UserCheck is an email validation API that checks addresses and domains for disposable mail providers, forwarding services, public email domains, role accounts, MX record validity, syntax errors, and c...
- Free tier$24 / moFTV 61

Userforge
Userforge is a web-based user persona creator that also supports user story writing and journey mapping in a shared workspace. It generates AI-assisted first drafts from an organisation summary, then ...
- Free tier$2.00 / moFTV 42
UseWebhook.com
UseWebhook.com is a browser-based webhook inbox that provides a unique URL for receiving test requests without running a server. Incoming requests can be inspected in the inbox, diffed, forwarded to localhost through the UseWebhook CLI, or replayed from request history.
- Always freeUnboundedFTV 90

utterances
Utterances is a lightweight comments widget that uses GitHub Issues as the backing store for site comments. It matches a page by URL, pathname, or title, then uses the GitHub Issues search API to find or create the associated issue when a visitor comments.
- Always freeUnboundedFTV 90
UUID Generator
UUID Generator is a developer tool for generating unique identifiers in multiple formats, including UUID v1, UUID v4, UUID v7, GUID, Nil UUIDs, CUID v1 and v2, NanoID, and ULID. It generates IDs local...
- Free tier$14 / moFTV 40
UXPin
UXPin is a web-based UX/UI design and prototyping tool that lets teams build interactive prototypes with real interactions, states, variables, conditional logic, and component-driven layouts. It suppo...
- Free tier$3.00 / moFTV 53
UXtweak
UXtweak is a UX research platform that supports moderated and unmoderated studies, participant recruitment, analysis, and reporting in one web application. It includes tools for card sorting, tree tes...
- Free tier$5.00 / moFTV 41

v0 by Vercel
v0 by Vercel is a web application builder that generates apps, websites, and UI components from prompts. It supports visual editing, GitHub sync, one-click deployment to Vercel, and integration with external tools and APIs.
- Free tier$48 / moFTV 70

Vaadin
Vaadin is an open-source web framework for building enterprise web applications in Java. It provides server-side UI development with a unified Java stack, allowing developers to build backend logic and user interfaces in the same language without HTML or JavaScript for most application code.
- Always freeUnboundedFTV 100

VaocherApp
VaocherApp provides an online gift voucher and gift card management system with a free QR code generator. The generator creates QR codes for URLs, plain text, email addresses, phone numbers, Wi-Fi net...
- Free tier$1.00 / moFTV 43

Vatcheckapi.com
Vatcheckapi.com provides a REST API for validating and looking up EU VAT numbers. The API accepts a VAT number such as LU26375245 and returns validation status plus company details including country code, VAT number, request date, name, address, and success flags.
- Free tier$1.00 / moFTV 49
Vatlayer API
Vatlayer API is a JSON over HTTPS service for validating EU VAT numbers, returning company details, and looking up VAT rates by country code or IP address. The landing page shows endpoints for VAT number validation, VAT rate lookup, and VAT-compliant price calculation.
- Free credit$500 creditFTV 59
Vault
Vault is HashiCorp's identity-based secrets management platform for securing credentials, certificates, keys, and other sensitive data across users, machines, services, and AI agents.
- Free tier$14 / moFTV 53
Vercel
Vercel is a cloud platform for building, deploying, and scaling modern web applications. It combines developer tooling, global infrastructure, and built-in performance and security capabilities to help teams ship faster and deliver reliable user experiences.
- Free tier$2.00 / moFTV 50
Verifalia
Verifalia is an email verification API that checks addresses in real time and in batch through an HTTPS REST API that uses JSON. It supports integration into web forms, apps, CRMs, POS systems, and other data-entry points, and it provides SDKs for .NET, Java, JavaScript, Ruby, PHP, and Go.
- Free tier$1.00 / moFTV 49
Verimail
Verimail is an email address verification service that checks bulk lists and individual addresses through a REST API. It removes syntax errors, duplicates, invalid domains, disposable addresses, catch...
- Free tier$13 / moFTV 63

Veriphone
Veriphone is a phone number validation and carrier lookup API that checks whether a number is valid, identifies its country, and returns carrier and line-type data. It supports single-number lookups through an instant API as well as bulk CSV validation for large lists.
- Free tier$2.00 / moFTV 48
Versionfeeds
Versionfeeds is a web service that generates custom RSS feeds for software release tracking. Users can create feeds with a custom title and description, or import dependencies from a composer.json or ...
- Free tier$4.00 / moFTV 52

Versoly
Versoly is a website builder for landing pages and CMS-driven sites. It provides a visual editor for designing pages, a built-in code editor for importing, editing, and exporting HTML and Tailwind CSS, and hosting on Versoly subdomains or custom domains depending on plan.
- Free tier$3.00 / moFTV 49
VibeView
VibeView is a cloud simulator streaming platform for iOS, Android, Apple TV, Android TV, and Roku beta devices. It runs builds on remote hardware and streams the device session to a browser, where use...
- Free tier$3.00 / moFTV 51
Vidhook
Vidhook is a survey and feedback collection tool that uses tag-based forms and widgets to gather structured responses. Respondents select tags to express opinions, and the system aggregates those tags across responses to show overall results.
- Free tier$99 / moFTV 66

Virgil Security
Virgil Security provides developer-facing cryptography toolkits and hosted security services for protecting data in transit and at rest. The product line includes E3Kit for end-to-end encrypted commun...
- Free tier$8.00 / moFTV 56

Visual Debug
Visual Debug is a browser-extension-based feedback collection tool for web projects. It lets users capture and share feedback from a browser session, then sync that feedback with project management and collaboration tools such as Jira, Asana, ClickUp, Slack, GitHub, Teams, and Monday.
- Always freeUnboundedFTV 90
Visual Studio Code
Visual Studio Code is a source-code editor from Microsoft that runs on macOS, Windows, Linux, and the web. The page describes it as an open source AI code editor with support for multi-agent development, extensions, documentation, an API, and web-based editing through vscode.dev.
- Free tier$30 / moFTV 58
Visual Studio Community
Visual Studio Community is a free, fully featured IDE from Microsoft for building applications on Windows, web, mobile, and cloud platforms. It includes code editing, debugging, profiling, Git integra...
- Free tier$2.00 / moFTV 49

Voice Clone
Voice Clone is a browser-based voice cloning and text-to-speech product that records or uploads a voice sample, analyzes the speaker’s characteristics, and generates speech from typed text in the clon...
- Free tier$2.00 / moFTV 40
VPN.net - Hamachi by LogMeIn
LogMeIn Hamachi is a hosted VPN service for creating virtual private networks on demand. It extends LAN-like connectivity over the web so distributed teams, mobile workers, and remote computers can communicate through encrypted tunnels without modifying firewalls or network routers.
- Always freeUnboundedFTV 90
VSCodium
VSCodium is a community-driven binary distribution of Microsoft Visual Studio Code built from the open-source vscode repository and released under the MIT license. It packages the editor without Micro...
- Always freeUnboundedFTV 90
W3Schools
W3Schools is a web development learning platform that provides tutorials, references, exercises, quizzes, code challenges, and certification courses across topics such as HTML, CSS, JavaScript, Python, SQL, and related web technologies.
- Free tier$1.00 / moFTV 44
Wachete
Wachete is a web page monitoring and change detection service that checks a URL on a schedule and notifies users when the page content changes. It supports email alerts, phone notifications, and chat integrations such as Slack, Teams, Discord, and Telegram.
- Free tier$15 / moFTV 61

WaiverCat
WaiverCat is a digital waiver platform for collecting signatures on PDF documents and other waiver forms. It provides an annotation tool to convert a PDF into an electronic waiver that can be signed, ...
- Free tier$3.00 / moFTV 50

WakaTime
WakaTime is a coding analytics service that tracks developer activity in editors, IDEs, and terminals through plugins and a desktop app. It measures coding time, project activity, AI-generated code, m...
- Free tier$8.00 / moFTV 45

Warp
Warp is an agentic development environment that combines a modern terminal, AI coding agents, and collaborative workspace features in a single cross-platform product.
- Always freeUnboundedFTV 60

Wave Terminal
Wave Terminal is an open-source terminal application that combines command-line access with integrated workspace features. It includes file previews, remote file editing, SSH connection management, screen splitting, workspace layouts, and a built-in web browser.
- Free tier$2.00 / moFTV 47
WeatherXu
WeatherXu is a JSON-based REST API for real-time weather data, forecasts, historical weather, and alerts. The landing page shows a single endpoint pattern for location-based requests and example responses for current, hourly, and daily weather data.
- Free trial$18 / moFTV 62
Weaviate
Weaviate is a vector database and AI database platform for building search, retrieval-augmented generation, and agentic AI applications. It supports hybrid search, vector search, multi-tenancy, embeddings, ranking, and auto-scaling through Weaviate Cloud or self-managed deployments.
- Free tier$23 / moFTV 46

Web Scraper
Web Scraper is a browser-based web scraping platform that helps users extract data from websites without coding. It combines a point-and-click extension with cloud automation tools so teams can build scrapers, handle dynamic pages, and export structured data for downstream use.
- Free credit$99 / moFTV 73

Web Scraping API
Abstract's Web Scraping API is a developer-focused service for extracting structured data and HTML from websites through a configurable API. It is designed to simplify web data collection while giving teams control over how pages are fetched and processed.
- Free tier$3.00 / moFTV 53
Web3Forms
Web3Forms is a contact form backend API for static and client-side websites. It accepts HTML form submissions at https://api.web3forms.com/submit and forwards them to an email inbox, so developers can collect form data without running server-side code.
- Free tier$8.00 / moFTV 57
WebComponents.dev
WebComponents.dev is an online IDE for building Web Components in the browser. It provides starter templates for multiple component frameworks and languages, then lets developers push code to Git and publish packages to npm from the studio environment.
- Free tier$8.00 / moFTV 58
Webex
Webex is a cloud collaboration platform that combines meetings, calling, messaging, webinars, events, whiteboarding, polling, and video messaging in one service. The pricing page lists a free plan wit...
- Free tier$4.00 / moFTV 42

Webflow
Webflow is an AI-native website experience platform that enables teams to design, build, manage, and optimize custom websites in one visual environment. It combines a visual builder with CMS, hosting,...
- Free tier$1.50 / moFTV 50
Webhook Relay
Webhook Relay is a webhook forwarding service that routes incoming webhooks to one or more public destinations, or tunnels them to private internal endpoints through a local agent. It supports forward...
- Free tier$3.00 / moFTV 39

Webhook.site
Webhook.site generates unique URLs, email addresses, and DNSHook endpoints for receiving inbound web requests and emails. It exposes each request in a browser-based inbox with request details, headers, body content, files, and replay or redirect actions.
- Free tier$14 / moFTV 64

Webpushr
Webpushr is a web push notifications platform that lets websites send browser push messages through a dashboard, REST API, or WordPress plugin. The service supports subscriber targeting by segments an...
- Free tier$24 / moFTV 66
WebScraping.AI
WebScraping.AI is a web scraping API that accepts a URL and returns rendered HTML, plain text, or AI-extracted structured JSON data. The service handles proxy rotation, browser rendering, CAPTCHA hand...
- Free tier$2.00 / moFTV 45

Website Screenshot API
Abstract's Website Screenshot API converts a URL or raw HTML into a high-quality image through a simple REST interface. It is designed for developers who need reliable page capture for previews, monitoring, QA, and workflow automation.
- Free tierFTV 43

WebSitePulse
WebSitePulse provides a set of free web, DNS, email, and network test tools that run checks against a supplied URL, hostname, IP address, or email domain. The tools verify availability, response time,...
- Free tier$15 / moFTV 62

Webstudio
Webstudio is a website builder that lets users create and publish sites through a visual editor, MCP-based agent workflows, and optional AI-assisted design. It supports exporting projects for self-hos...
- Always freeUnboundedFTV 90
WebTerm Learn
WebTerm Learn is a browser-based terminal learning service that teaches Linux commands and Git through structured lessons. It combines visual slides with hands-on exercises in a sandboxed environment, so learners can run commands directly in the browser without installing local tooling.